vendor: update github.com/go-xorm/*

vendor/github.com/go-xorm/builder/cond_in.go

@@ -6,6 +6,7 @@ package builder
 
 import (
 	"fmt"
+	"reflect"
 	"strings"
 )
 
@@ -195,11 +196,26 @@ func (condIn condIn) WriteTo(w Writer) error {
 		if len(condIn.vals) <= 0 {
 			return ErrNoInConditions
 		}
-		questionMark := strings.Repeat("?,", len(condIn.vals))
-		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
-			return err
+
+		v := reflect.ValueOf(condIn.vals[0])
+		if v.Kind() == reflect.Slice {
+			l := v.Len()
+
+			questionMark := strings.Repeat("?,", l)
+			if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+				return err
+			}
+
+			for i := 0; i < l; i++ {
+				w.Append(v.Index(i).Interface())
+			}
+		} else {
+			questionMark := strings.Repeat("?,", len(condIn.vals))
+			if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+				return err
+			}
+			w.Append(condIn.vals...)
 		}
-		w.Append(condIn.vals...)
 	}
 	return nil
 }

vendor/github.com/go-xorm/core/column.go

@@ -32,7 +32,6 @@ type Column struct {
 	IsDeleted       bool
 	IsCascade       bool
 	IsVersion       bool
-	fieldPath       []string
 	DefaultIsEmpty  bool
 	EnumOptions     map[string]int
 	SetOptions      map[string]int
@@ -59,7 +58,6 @@ func NewColumn(name, fieldName string, sqlType SQLType, len1, len2 int, nullable
 		IsDeleted:       false,
 		IsCascade:       false,
 		IsVersion:       false,
-		fieldPath:       nil,
 		DefaultIsEmpty:  false,
 		EnumOptions:     make(map[string]int),
 	}
@@ -121,12 +119,10 @@ func (col *Column) ValueOf(bean interface{}) (*reflect.Value, error) {
 
 func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error) {
 	var fieldValue reflect.Value
-	if col.fieldPath == nil {
-		col.fieldPath = strings.Split(col.FieldName, ".")
-	}
+	fieldPath := strings.Split(col.FieldName, ".")
 
 	if dataStruct.Type().Kind() == reflect.Map {
-		keyValue := reflect.ValueOf(col.fieldPath[len(col.fieldPath)-1])
+		keyValue := reflect.ValueOf(fieldPath[len(fieldPath)-1])
 		fieldValue = dataStruct.MapIndex(keyValue)
 		return &fieldValue, nil
 	} else if dataStruct.Type().Kind() == reflect.Interface {
@@ -134,19 +130,19 @@ func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error) {
 		dataStruct = &structValue
 	}
 
-	level := len(col.fieldPath)
-	fieldValue = dataStruct.FieldByName(col.fieldPath[0])
+	level := len(fieldPath)
+	fieldValue = dataStruct.FieldByName(fieldPath[0])
 	for i := 0; i < level-1; i++ {
 		if !fieldValue.IsValid() {
 			break
 		}
 		if fieldValue.Kind() == reflect.Struct {
-			fieldValue = fieldValue.FieldByName(col.fieldPath[i+1])
+			fieldValue = fieldValue.FieldByName(fieldPath[i+1])
 		} else if fieldValue.Kind() == reflect.Ptr {
 			if fieldValue.IsNil() {
 				fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
 			}
-			fieldValue = fieldValue.Elem().FieldByName(col.fieldPath[i+1])
+			fieldValue = fieldValue.Elem().FieldByName(fieldPath[i+1])
 		} else {
 			return nil, fmt.Errorf("field  %v is not valid", col.FieldName)
 		}

vendor/github.com/go-xorm/core/dialect.go

@@ -287,16 +287,21 @@ func (b *Base) LogSQL(sql string, args []interface{}) {
 }
 
 var (
-	dialects = map[DbType]func() Dialect{}
+	dialects = map[string]func() Dialect{}
 )
 
+// RegisterDialect register database dialect
 func RegisterDialect(dbName DbType, dialectFunc func() Dialect) {
 	if dialectFunc == nil {
 		panic("core: Register dialect is nil")
 	}
-	dialects[dbName] = dialectFunc // !nashtsai! allow override dialect
+	dialects[strings.ToLower(string(dbName))] = dialectFunc // !nashtsai! allow override dialect
 }
 
+// QueryDialect query if registed database dialect
 func QueryDialect(dbName DbType) Dialect {
-	return dialects[dbName]()
+	if d, ok := dialects[strings.ToLower(string(dbName))]; ok {
+		return d()
+	}
+	return nil
 }

vendor/github.com/go-xorm/xorm/doc.go

@@ -38,7 +38,7 @@ ORM Methods
 
 There are 7 major ORM methods and many helpful methods to use to operate database.
 
-1. Insert one or multipe records to database
+1. Insert one or multiple records to database
 
     affected, err := engine.Insert(&struct)
     // INSERT INTO struct () values ()
@@ -81,7 +81,7 @@ another is Rows
     affected, err := engine.Id(...).Update(&user)
     // UPDATE user SET ...
 
-6. Delete one or more records, Delete MUST has conditon
+6. Delete one or more records, Delete MUST has condition
 
     affected, err := engine.Where(...).Delete(&user)
     // DELETE FROM user Where ...

vendor/github.com/go-xorm/xorm/engine.go

@@ -46,7 +46,7 @@ type Engine struct {
 	disableGlobalCache bool
 }
 
-// ShowSQL show SQL statment or not on logger if log level is great than INFO
+// ShowSQL show SQL statement or not on logger if log level is great than INFO
 func (engine *Engine) ShowSQL(show ...bool) {
 	engine.logger.ShowSQL(show...)
 	if len(show) == 0 {
@@ -56,7 +56,7 @@ func (engine *Engine) ShowSQL(show ...bool) {
 	}
 }
 
-// ShowExecTime show SQL statment and execute time or not on logger if log level is great than INFO
+// ShowExecTime show SQL statement and execute time or not on logger if log level is great than INFO
 func (engine *Engine) ShowExecTime(show ...bool) {
 	if len(show) == 0 {
 		engine.showExecTime = true
@@ -117,7 +117,7 @@ func (engine *Engine) SupportInsertMany() bool {
 	return engine.dialect.SupportInsertMany()
 }
 
-// QuoteStr Engine's database use which charactor as quote.
+// QuoteStr Engine's database use which character as quote.
 // mysql, sqlite use ` and postgres use "
 func (engine *Engine) QuoteStr() string {
 	return engine.dialect.QuoteStr()
@@ -305,7 +305,7 @@ func (engine *Engine) Sql(querystring string, args ...interface{}) *Session {
 	return engine.SQL(querystring, args...)
 }
 
-// SQL method let's you manualy write raw SQL and operate
+// SQL method let's you manually write raw SQL and operate
 // For example:
 //
 //         engine.SQL("select * from user").Find(&users)
@@ -348,8 +348,6 @@ func (engine *Engine) DBMetas() ([]*core.Table, error) {
 		for _, name := range colSeq {
 			table.AddColumn(cols[name])
 		}
-		//table.Columns = cols
-		//table.ColumnsSeq = colSeq
 		indexes, err := engine.dialect.GetIndexes(table.Name)
 		if err != nil {
 			return nil, err
@@ -361,7 +359,7 @@ func (engine *Engine) DBMetas() ([]*core.Table, error) {
 				if col := table.GetColumn(name); col != nil {
 					col.Indexes[index.Name] = index.Type
 				} else {
-					return nil, fmt.Errorf("Unknown col %s in indexe %v of table %v, columns %v", name, index.Name, table.Name, table.ColumnsSeq())
+					return nil, fmt.Errorf("Unknown col %s in index %v of table %v, columns %v", name, index.Name, table.Name, table.ColumnsSeq())
 				}
 			}
 		}
@@ -370,18 +368,22 @@ func (engine *Engine) DBMetas() ([]*core.Table, error) {
 }
 
 // DumpAllToFile dump database all table structs and data to a file
-func (engine *Engine) DumpAllToFile(fp string) error {
+func (engine *Engine) DumpAllToFile(fp string, tp ...core.DbType) error {
 	f, err := os.Create(fp)
 	if err != nil {
 		return err
 	}
 	defer f.Close()
-	return engine.DumpAll(f)
+	return engine.DumpAll(f, tp...)
 }
 
 // DumpAll dump database all table structs and data to w
-func (engine *Engine) DumpAll(w io.Writer) error {
-	return engine.dumpAll(w, engine.dialect.DBType())
+func (engine *Engine) DumpAll(w io.Writer, tp ...core.DbType) error {
+	tables, err := engine.DBMetas()
+	if err != nil {
+		return err
+	}
+	return engine.DumpTables(tables, w, tp...)
 }
 
 // DumpTablesToFile dump specified tables to SQL file.
@@ -399,154 +401,24 @@ func (engine *Engine) DumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 	return engine.dumpTables(tables, w, tp...)
 }
 
-func (engine *Engine) tableName(beanOrTableName interface{}) (string, error) {
-	v := rValue(beanOrTableName)
-	if v.Type().Kind() == reflect.String {
-		return beanOrTableName.(string), nil
-	} else if v.Type().Kind() == reflect.Struct {
-		return engine.tbName(v), nil
-	}
-	return "", errors.New("bean should be a struct or struct's point")
-}
-
-func (engine *Engine) tbName(v reflect.Value) string {
-	if tb, ok := v.Interface().(TableName); ok {
-		return tb.TableName()
-	}
-
-	if v.Type().Kind() == reflect.Ptr {
-		if tb, ok := reflect.Indirect(v).Interface().(TableName); ok {
-			return tb.TableName()
-		}
-	} else if v.CanAddr() {
-		if tb, ok := v.Addr().Interface().(TableName); ok {
-			return tb.TableName()
-		}
-	}
-	return engine.TableMapper.Obj2Table(reflect.Indirect(v).Type().Name())
-}
-
-// DumpAll dump database all table structs and data to w with specify db type
-func (engine *Engine) dumpAll(w io.Writer, tp ...core.DbType) error {
-	tables, err := engine.DBMetas()
-	if err != nil {
-		return err
-	}
-
-	var dialect core.Dialect
-	if len(tp) == 0 {
-		dialect = engine.dialect
-	} else {
-		dialect = core.QueryDialect(tp[0])
-		if dialect == nil {
-			return errors.New("Unsupported database type")
-		}
-		dialect.Init(nil, engine.dialect.URI(), "", "")
-	}
-
-	_, err = io.WriteString(w, fmt.Sprintf("/*Generated by xorm v%s %s*/\n\n",
-		Version, time.Now().In(engine.TZLocation).Format("2006-01-02 15:04:05")))
-	if err != nil {
-		return err
-	}
-
-	for i, table := range tables {
-		if i > 0 {
-			_, err = io.WriteString(w, "\n")
-			if err != nil {
-				return err
-			}
-		}
-		_, err = io.WriteString(w, dialect.CreateTableSql(table, "", table.StoreEngine, "")+";\n")
-		if err != nil {
-			return err
-		}
-		for _, index := range table.Indexes {
-			_, err = io.WriteString(w, dialect.CreateIndexSql(table.Name, index)+";\n")
-			if err != nil {
-				return err
-			}
-		}
-
-		rows, err := engine.DB().Query("SELECT * FROM " + engine.Quote(table.Name))
-		if err != nil {
-			return err
-		}
-		defer rows.Close()
-
-		cols, err := rows.Columns()
-		if err != nil {
-			return err
-		}
-		if len(cols) == 0 {
-			continue
-		}
-		for rows.Next() {
-			dest := make([]interface{}, len(cols))
-			err = rows.ScanSlice(&dest)
-			if err != nil {
-				return err
-			}
-
-			_, err = io.WriteString(w, "INSERT INTO "+dialect.Quote(table.Name)+" ("+dialect.Quote(strings.Join(cols, dialect.Quote(", ")))+") VALUES (")
-			if err != nil {
-				return err
-			}
-
-			var temp string
-			for i, d := range dest {
-				col := table.GetColumn(cols[i])
-				if d == nil {
-					temp += ", NULL"
-				} else if col.SQLType.IsText() || col.SQLType.IsTime() {
-					var v = fmt.Sprintf("%s", d)
-					temp += ", '" + strings.Replace(v, "'", "''", -1) + "'"
-				} else if col.SQLType.IsBlob() {
-					if reflect.TypeOf(d).Kind() == reflect.Slice {
-						temp += fmt.Sprintf(", %s", dialect.FormatBytes(d.([]byte)))
-					} else if reflect.TypeOf(d).Kind() == reflect.String {
-						temp += fmt.Sprintf(", '%s'", d.(string))
-					}
-				} else if col.SQLType.IsNumeric() {
-					switch reflect.TypeOf(d).Kind() {
-					case reflect.Slice:
-						temp += fmt.Sprintf(", %s", string(d.([]byte)))
-					default:
-						temp += fmt.Sprintf(", %v", d)
-					}
-				} else {
-					s := fmt.Sprintf("%v", d)
-					if strings.Contains(s, ":") || strings.Contains(s, "-") {
-						temp += fmt.Sprintf(", '%s'", s)
-					} else {
-						temp += fmt.Sprintf(", %s", s)
-					}
-				}
-			}
-			_, err = io.WriteString(w, temp[2:]+");\n")
-			if err != nil {
-				return err
-			}
-		}
-	}
-	return nil
-}
-
-// DumpAll dump database all table structs and data to w with specify db type
+// dumpTables dump database all table structs and data to w with specify db type
 func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.DbType) error {
 	var dialect core.Dialect
+	var distDBName string
 	if len(tp) == 0 {
 		dialect = engine.dialect
+		distDBName = string(engine.dialect.DBType())
 	} else {
 		dialect = core.QueryDialect(tp[0])
 		if dialect == nil {
 			return errors.New("Unsupported database type")
 		}
 		dialect.Init(nil, engine.dialect.URI(), "", "")
+		distDBName = string(tp[0])
 	}
 
 	_, err := io.WriteString(w, fmt.Sprintf("/*Generated by xorm v%s %s, from %s to %s*/\n\n",
-		Version, time.Now().In(engine.TZLocation).Format("2006-01-02 15:04:05"), engine.dialect.DBType(), dialect.DBType()))
+		Version, time.Now().In(engine.TZLocation).Format("2006-01-02 15:04:05"), engine.dialect.DBType(), strings.ToUpper(distDBName)))
 	if err != nil {
 		return err
 	}
@@ -569,19 +441,15 @@ func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 			}
 		}
 
-		rows, err := engine.DB().Query("SELECT * FROM " + engine.Quote(table.Name))
+		cols := table.ColumnsSeq()
+		colNames := dialect.Quote(strings.Join(cols, dialect.Quote(", ")))
+
+		rows, err := engine.DB().Query("SELECT " + colNames + " FROM " + engine.Quote(table.Name))
 		if err != nil {
 			return err
 		}
 		defer rows.Close()
 
-		cols, err := rows.Columns()
-		if err != nil {
-			return err
-		}
-		if len(cols) == 0 {
-			continue
-		}
 		for rows.Next() {
 			dest := make([]interface{}, len(cols))
 			err = rows.ScanSlice(&dest)
@@ -589,7 +457,7 @@ func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 				return err
 			}
 
-			_, err = io.WriteString(w, "INSERT INTO "+dialect.Quote(table.Name)+" ("+dialect.Quote(strings.Join(cols, dialect.Quote(", ")))+") VALUES (")
+			_, err = io.WriteString(w, "INSERT INTO "+dialect.Quote(table.Name)+" ("+colNames+") VALUES (")
 			if err != nil {
 				return err
 			}
@@ -597,6 +465,10 @@ func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 			var temp string
 			for i, d := range dest {
 				col := table.GetColumn(cols[i])
+				if col == nil {
+					return errors.New("unknow column error")
+				}
+
 				if d == nil {
 					temp += ", NULL"
 				} else if col.SQLType.IsText() || col.SQLType.IsTime() {
@@ -616,6 +488,18 @@ func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 					switch reflect.TypeOf(d).Kind() {
 					case reflect.Slice:
 						temp += fmt.Sprintf(", %s", string(d.([]byte)))
+					case reflect.Int16, reflect.Int8, reflect.Int32, reflect.Int64, reflect.Int:
+						if col.SQLType.Name == core.Bool {
+							temp += fmt.Sprintf(", %v", strconv.FormatBool(reflect.ValueOf(d).Int() > 0))
+						} else {
+							temp += fmt.Sprintf(", %v", d)
+						}
+					case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+						if col.SQLType.Name == core.Bool {
+							temp += fmt.Sprintf(", %v", strconv.FormatBool(reflect.ValueOf(d).Uint() > 0))
+						} else {
+							temp += fmt.Sprintf(", %v", d)
+						}
 					default:
 						temp += fmt.Sprintf(", %v", d)
 					}
@@ -637,10 +521,45 @@ func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 				return err
 			}
 		}
+
+		// FIXME: Hack for postgres
+		if string(dialect.DBType()) == core.POSTGRES && table.AutoIncrColumn() != nil {
+			_, err = io.WriteString(w, "SELECT setval('table_id_seq', COALESCE((SELECT MAX("+table.AutoIncrColumn().Name+") FROM "+dialect.Quote(table.Name)+"), 1), false);\n")
+			if err != nil {
+				return err
+			}
+		}
 	}
 	return nil
 }
 
+func (engine *Engine) tableName(beanOrTableName interface{}) (string, error) {
+	v := rValue(beanOrTableName)
+	if v.Type().Kind() == reflect.String {
+		return beanOrTableName.(string), nil
+	} else if v.Type().Kind() == reflect.Struct {
+		return engine.tbName(v), nil
+	}
+	return "", errors.New("bean should be a struct or struct's point")
+}
+
+func (engine *Engine) tbName(v reflect.Value) string {
+	if tb, ok := v.Interface().(TableName); ok {
+		return tb.TableName()
+	}
+
+	if v.Type().Kind() == reflect.Ptr {
+		if tb, ok := reflect.Indirect(v).Interface().(TableName); ok {
+			return tb.TableName()
+		}
+	} else if v.CanAddr() {
+		if tb, ok := v.Addr().Interface().(TableName); ok {
+			return tb.TableName()
+		}
+	}
+	return engine.TableMapper.Obj2Table(reflect.Indirect(v).Type().Name())
+}
+
 // Cascade use cascade or not
 func (engine *Engine) Cascade(trueOrFalse ...bool) *Session {
 	session := engine.NewSession()
@@ -662,7 +581,7 @@ func (engine *Engine) Id(id interface{}) *Session {
 	return session.Id(id)
 }
 
-// ID mehtod provoide a condition as (id) = ?
+// ID method provoide a condition as (id) = ?
 func (engine *Engine) ID(id interface{}) *Session {
 	session := engine.NewSession()
 	session.IsAutoClose = true
@@ -713,7 +632,7 @@ func (engine *Engine) Select(str string) *Session {
 	return session.Select(str)
 }
 
-// Cols only use the paramters as select or update columns
+// Cols only use the parameters as select or update columns
 func (engine *Engine) Cols(columns ...string) *Session {
 	session := engine.NewSession()
 	session.IsAutoClose = true
@@ -737,15 +656,15 @@ func (engine *Engine) MustCols(columns ...string) *Session {
 // UseBool xorm automatically retrieve condition according struct, but
 // if struct has bool field, it will ignore them. So use UseBool
 // to tell system to do not ignore them.
-// If no paramters, it will use all the bool field of struct, or
-// it will use paramters's columns
+// If no parameters, it will use all the bool field of struct, or
+// it will use parameters's columns
 func (engine *Engine) UseBool(columns ...string) *Session {
 	session := engine.NewSession()
 	session.IsAutoClose = true
 	return session.UseBool(columns...)
 }
 
-// Omit only not use the paramters as select or update columns
+// Omit only not use the parameters as select or update columns
 func (engine *Engine) Omit(columns ...string) *Session {
 	session := engine.NewSession()
 	session.IsAutoClose = true
@@ -1688,6 +1607,8 @@ func (engine *Engine) formatTime(tz *time.Location, sqlTypeName string, t time.T
 		return t
 	}
 	if tz != nil {
+		t = t.In(tz)
+	} else {
 		t = engine.TZTime(t)
 	}
 	switch sqlTypeName {

vendor/github.com/go-xorm/xorm/helpers.go

@@ -102,7 +102,7 @@ func splitTag(tag string) (tags []string) {
 		}
 	}
 	if lastIdx < len(tag) {
-		tags = append(tags, strings.TrimSpace(tag[lastIdx:len(tag)]))
+		tags = append(tags, strings.TrimSpace(tag[lastIdx:]))
 	}
 	return
 }

vendor/github.com/go-xorm/xorm/logger.go

@@ -12,6 +12,7 @@ import (
 	"github.com/go-xorm/core"
 )
 
+// default log options
 const (
 	DEFAULT_LOG_PREFIX = "[xorm]"
 	DEFAULT_LOG_FLAG   = log.Ldate | log.Lmicroseconds

vendor/github.com/go-xorm/xorm/mssql_dialect.go

@@ -1,528 +1,528 @@
-// Copyright 2015 The Xorm Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package xorm
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-
-	"github.com/go-xorm/core"
-)
-
-var (
-	mssqlReservedWords = map[string]bool{
-		"ADD":                    true,
-		"EXTERNAL":               true,
-		"PROCEDURE":              true,
-		"ALL":                    true,
-		"FETCH":                  true,
-		"PUBLIC":                 true,
-		"ALTER":                  true,
-		"FILE":                   true,
-		"RAISERROR":              true,
-		"AND":                    true,
-		"FILLFACTOR":             true,
-		"READ":                   true,
-		"ANY":                    true,
-		"FOR":                    true,
-		"READTEXT":               true,
-		"AS":                     true,
-		"FOREIGN":                true,
-		"RECONFIGURE":            true,
-		"ASC":                    true,
-		"FREETEXT":               true,
-		"REFERENCES":             true,
-		"AUTHORIZATION":          true,
-		"FREETEXTTABLE":          true,
-		"REPLICATION":            true,
-		"BACKUP":                 true,
-		"FROM":                   true,
-		"RESTORE":                true,
-		"BEGIN":                  true,
-		"FULL":                   true,
-		"RESTRICT":               true,
-		"BETWEEN":                true,
-		"FUNCTION":               true,
-		"RETURN":                 true,
-		"BREAK":                  true,
-		"GOTO":                   true,
-		"REVERT":                 true,
-		"BROWSE":                 true,
-		"GRANT":                  true,
-		"REVOKE":                 true,
-		"BULK":                   true,
-		"GROUP":                  true,
-		"RIGHT":                  true,
-		"BY":                     true,
-		"HAVING":                 true,
-		"ROLLBACK":               true,
-		"CASCADE":                true,
-		"HOLDLOCK":               true,
-		"ROWCOUNT":               true,
-		"CASE":                   true,
-		"IDENTITY":               true,
-		"ROWGUIDCOL":             true,
-		"CHECK":                  true,
-		"IDENTITY_INSERT":        true,
-		"RULE":                   true,
-		"CHECKPOINT":             true,
-		"IDENTITYCOL":            true,
-		"SAVE":                   true,
-		"CLOSE":                  true,
-		"IF":                     true,
-		"SCHEMA":                 true,
-		"CLUSTERED":              true,
-		"IN":                     true,
-		"SECURITYAUDIT":          true,
-		"COALESCE":               true,
-		"INDEX":                  true,
-		"SELECT":                 true,
-		"COLLATE":                true,
-		"INNER":                  true,
-		"SEMANTICKEYPHRASETABLE": true,
-		"COLUMN":                 true,
-		"INSERT":                 true,
-		"SEMANTICSIMILARITYDETAILSTABLE": true,
-		"COMMIT":                  true,
-		"INTERSECT":               true,
-		"SEMANTICSIMILARITYTABLE": true,
-		"COMPUTE":                 true,
-		"INTO":                    true,
-		"SESSION_USER":            true,
-		"CONSTRAINT":              true,
-		"IS":                      true,
-		"SET":                     true,
-		"CONTAINS":                true,
-		"JOIN":                    true,
-		"SETUSER":                 true,
-		"CONTAINSTABLE":           true,
-		"KEY":                     true,
-		"SHUTDOWN":                true,
-		"CONTINUE":                true,
-		"KILL":                    true,
-		"SOME":                    true,
-		"CONVERT":                 true,
-		"LEFT":                    true,
-		"STATISTICS":              true,
-		"CREATE":                  true,
-		"LIKE":                    true,
-		"SYSTEM_USER":             true,
-		"CROSS":                   true,
-		"LINENO":                  true,
-		"TABLE":                   true,
-		"CURRENT":                 true,
-		"LOAD":                    true,
-		"TABLESAMPLE":             true,
-		"CURRENT_DATE":            true,
-		"MERGE":                   true,
-		"TEXTSIZE":                true,
-		"CURRENT_TIME":            true,
-		"NATIONAL":                true,
-		"THEN":                    true,
-		"CURRENT_TIMESTAMP":       true,
-		"NOCHECK":                 true,
-		"TO":                      true,
-		"CURRENT_USER":            true,
-		"NONCLUSTERED":            true,
-		"TOP":                     true,
-		"CURSOR":                  true,
-		"NOT":                     true,
-		"TRAN":                    true,
-		"DATABASE":                true,
-		"NULL":                    true,
-		"TRANSACTION":             true,
-		"DBCC":                    true,
-		"NULLIF":                  true,
-		"TRIGGER":                 true,
-		"DEALLOCATE":              true,
-		"OF":                      true,
-		"TRUNCATE":                true,
-		"DECLARE":                 true,
-		"OFF":                     true,
-		"TRY_CONVERT":             true,
-		"DEFAULT":                 true,
-		"OFFSETS":                 true,
-		"TSEQUAL":                 true,
-		"DELETE":                  true,
-		"ON":                      true,
-		"UNION":                   true,
-		"DENY":                    true,
-		"OPEN":                    true,
-		"UNIQUE":                  true,
-		"DESC":                    true,
-		"OPENDATASOURCE":          true,
-		"UNPIVOT":                 true,
-		"DISK":                    true,
-		"OPENQUERY":               true,
-		"UPDATE":                  true,
-		"DISTINCT":                true,
-		"OPENROWSET":              true,
-		"UPDATETEXT":              true,
-		"DISTRIBUTED":             true,
-		"OPENXML":                 true,
-		"USE":                     true,
-		"DOUBLE":                  true,
-		"OPTION":                  true,
-		"USER":                    true,
-		"DROP":                    true,
-		"OR":                      true,
-		"VALUES":                  true,
-		"DUMP":                    true,
-		"ORDER":                   true,
-		"VARYING":                 true,
-		"ELSE":                    true,
-		"OUTER":                   true,
-		"VIEW":                    true,
-		"END":                     true,
-		"OVER":                    true,
-		"WAITFOR":                 true,
-		"ERRLVL":                  true,
-		"PERCENT":                 true,
-		"WHEN":                    true,
-		"ESCAPE":                  true,
-		"PIVOT":                   true,
-		"WHERE":                   true,
-		"EXCEPT":                  true,
-		"PLAN":                    true,
-		"WHILE":                   true,
-		"EXEC":                    true,
-		"PRECISION":               true,
-		"WITH":                    true,
-		"EXECUTE":                 true,
-		"PRIMARY":                 true,
-		"WITHIN":                  true,
-		"EXISTS":                  true,
-		"PRINT":                   true,
-		"WRITETEXT":               true,
-		"EXIT":                    true,
-		"PROC":                    true,
-	}
-)
-
-type mssql struct {
-	core.Base
-}
-
-func (db *mssql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
-	return db.Base.Init(d, db, uri, drivername, dataSourceName)
-}
-
-func (db *mssql) SqlType(c *core.Column) string {
-	var res string
-	switch t := c.SQLType.Name; t {
-	case core.Bool:
-		res = core.TinyInt
-		if c.Default == "true" {
-			c.Default = "1"
-		} else if c.Default == "false" {
-			c.Default = "0"
-		}
-	case core.Serial:
-		c.IsAutoIncrement = true
-		c.IsPrimaryKey = true
-		c.Nullable = false
-		res = core.Int
-	case core.BigSerial:
-		c.IsAutoIncrement = true
-		c.IsPrimaryKey = true
-		c.Nullable = false
-		res = core.BigInt
-	case core.Bytea, core.Blob, core.Binary, core.TinyBlob, core.MediumBlob, core.LongBlob:
-		res = core.VarBinary
-		if c.Length == 0 {
-			c.Length = 50
-		}
-	case core.TimeStamp:
-		res = core.DateTime
-	case core.TimeStampz:
-		res = "DATETIMEOFFSET"
-		c.Length = 7
-	case core.MediumInt:
-		res = core.Int
-	case core.Text, core.MediumText, core.TinyText, core.LongText, core.Json:
-		res = core.Varchar + "(MAX)"
-	case core.Double:
-		res = core.Real
-	case core.Uuid:
-		res = core.Varchar
-		c.Length = 40
-	default:
-		res = t
-	}
-
-	if res == core.Int {
-		return core.Int
-	}
-
-	hasLen1 := (c.Length > 0)
-	hasLen2 := (c.Length2 > 0)
-
-	if hasLen2 {
-		res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
-	} else if hasLen1 {
-		res += "(" + strconv.Itoa(c.Length) + ")"
-	}
-	return res
-}
-
-func (db *mssql) SupportInsertMany() bool {
-	return true
-}
-
-func (db *mssql) IsReserved(name string) bool {
-	_, ok := mssqlReservedWords[name]
-	return ok
-}
-
-func (db *mssql) Quote(name string) string {
-	return "\"" + name + "\""
-}
-
-func (db *mssql) QuoteStr() string {
-	return "\""
-}
-
-func (db *mssql) SupportEngine() bool {
-	return false
-}
-
-func (db *mssql) AutoIncrStr() string {
-	return "IDENTITY"
-}
-
-func (db *mssql) DropTableSql(tableName string) string {
-	return fmt.Sprintf("IF EXISTS (SELECT * FROM sysobjects WHERE id = "+
-		"object_id(N'%s') and OBJECTPROPERTY(id, N'IsUserTable') = 1) "+
-		"DROP TABLE \"%s\"", tableName, tableName)
-}
-
-func (db *mssql) SupportCharset() bool {
-	return false
-}
-
-func (db *mssql) IndexOnTable() bool {
-	return true
-}
-
-func (db *mssql) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
-	args := []interface{}{idxName}
-	sql := "select name from sysindexes where id=object_id('" + tableName + "') and name=?"
-	return sql, args
-}
-
-/*func (db *mssql) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
-	args := []interface{}{tableName, colName}
-	sql := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
-	return sql, args
-}*/
-
-func (db *mssql) IsColumnExist(tableName, colName string) (bool, error) {
-	query := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
-
-	return db.HasRecords(query, tableName, colName)
-}
-
-func (db *mssql) TableCheckSql(tableName string) (string, []interface{}) {
-	args := []interface{}{}
-	sql := "select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsUserTable') = 1"
-	return sql, args
-}
-
-func (db *mssql) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
-	args := []interface{}{}
-	s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable,
-	      replace(replace(isnull(c.text,''),'(',''),')','') as vdefault   
-          from sys.columns a left join sys.types b on a.user_type_id=b.user_type_id 
-          left join  sys.syscomments c  on a.default_object_id=c.id 
-          where a.object_id=object_id('` + tableName + `')`
-	db.LogSQL(s, args)
-
-	rows, err := db.DB().Query(s, args...)
-	if err != nil {
-		return nil, nil, err
-	}
-	defer rows.Close()
-
-	cols := make(map[string]*core.Column)
-	colSeq := make([]string, 0)
-	for rows.Next() {
-		var name, ctype, vdefault string
-		var maxLen, precision, scale int
-		var nullable bool
-		err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &vdefault)
-		if err != nil {
-			return nil, nil, err
-		}
-
-		col := new(core.Column)
-		col.Indexes = make(map[string]int)
-		col.Name = strings.Trim(name, "` ")
-		col.Nullable = nullable
-		col.Default = vdefault
-		ct := strings.ToUpper(ctype)
-		if ct == "DECIMAL" {
-			col.Length = precision
-			col.Length2 = scale
-		} else {
-			col.Length = maxLen
-		}
-		switch ct {
-		case "DATETIMEOFFSET":
-			col.SQLType = core.SQLType{Name: core.TimeStampz, DefaultLength: 0, DefaultLength2: 0}
-		case "NVARCHAR":
-			col.SQLType = core.SQLType{Name: core.NVarchar, DefaultLength: 0, DefaultLength2: 0}
-		case "IMAGE":
-			col.SQLType = core.SQLType{Name: core.VarBinary, DefaultLength: 0, DefaultLength2: 0}
-		default:
-			if _, ok := core.SqlTypes[ct]; ok {
-				col.SQLType = core.SQLType{Name: ct, DefaultLength: 0, DefaultLength2: 0}
-			} else {
-				return nil, nil, fmt.Errorf("Unknown colType %v for %v - %v", ct, tableName, col.Name)
-			}
-		}
-
-		if col.SQLType.IsText() || col.SQLType.IsTime() {
-			if col.Default != "" {
-				col.Default = "'" + col.Default + "'"
-			} else {
-				if col.DefaultIsEmpty {
-					col.Default = "''"
-				}
-			}
-		}
-		cols[col.Name] = col
-		colSeq = append(colSeq, col.Name)
-	}
-	return colSeq, cols, nil
-}
-
-func (db *mssql) GetTables() ([]*core.Table, error) {
-	args := []interface{}{}
-	s := `select name from sysobjects where xtype ='U'`
-	db.LogSQL(s, args)
-
-	rows, err := db.DB().Query(s, args...)
-	if err != nil {
-		return nil, err
-	}
-	defer rows.Close()
-
-	tables := make([]*core.Table, 0)
-	for rows.Next() {
-		table := core.NewEmptyTable()
-		var name string
-		err = rows.Scan(&name)
-		if err != nil {
-			return nil, err
-		}
-		table.Name = strings.Trim(name, "` ")
-		tables = append(tables, table)
-	}
-	return tables, nil
-}
-
-func (db *mssql) GetIndexes(tableName string) (map[string]*core.Index, error) {
-	args := []interface{}{tableName}
-	s := `SELECT
-IXS.NAME                    AS  [INDEX_NAME],
-C.NAME                      AS  [COLUMN_NAME],
-IXS.is_unique AS [IS_UNIQUE]
-FROM SYS.INDEXES IXS
-INNER JOIN SYS.INDEX_COLUMNS   IXCS
-ON IXS.OBJECT_ID=IXCS.OBJECT_ID  AND IXS.INDEX_ID = IXCS.INDEX_ID
-INNER   JOIN SYS.COLUMNS C  ON IXS.OBJECT_ID=C.OBJECT_ID
-AND IXCS.COLUMN_ID=C.COLUMN_ID
-WHERE IXS.TYPE_DESC='NONCLUSTERED' and OBJECT_NAME(IXS.OBJECT_ID) =?
-`
-	db.LogSQL(s, args)
-
-	rows, err := db.DB().Query(s, args...)
-	if err != nil {
-		return nil, err
-	}
-	defer rows.Close()
-
-	indexes := make(map[string]*core.Index, 0)
-	for rows.Next() {
-		var indexType int
-		var indexName, colName, isUnique string
-
-		err = rows.Scan(&indexName, &colName, &isUnique)
-		if err != nil {
-			return nil, err
-		}
-
-		i, err := strconv.ParseBool(isUnique)
-		if err != nil {
-			return nil, err
-		}
-
-		if i {
-			indexType = core.UniqueType
-		} else {
-			indexType = core.IndexType
-		}
-
-		colName = strings.Trim(colName, "` ")
-
-		if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
-			indexName = indexName[5+len(tableName):]
-		}
-
-		var index *core.Index
-		var ok bool
-		if index, ok = indexes[indexName]; !ok {
-			index = new(core.Index)
-			index.Type = indexType
-			index.Name = indexName
-			indexes[indexName] = index
-		}
-		index.AddColumn(colName)
-	}
-	return indexes, nil
-}
-
-func (db *mssql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
-	var sql string
-	if tableName == "" {
-		tableName = table.Name
-	}
-
-	sql = "IF NOT EXISTS (SELECT [name] FROM sys.tables WHERE [name] = '" + tableName + "' ) CREATE TABLE "
-
-	sql += db.QuoteStr() + tableName + db.QuoteStr() + " ("
-
-	pkList := table.PrimaryKeys
-
-	for _, colName := range table.ColumnsSeq() {
-		col := table.GetColumn(colName)
-		if col.IsPrimaryKey && len(pkList) == 1 {
-			sql += col.String(db)
-		} else {
-			sql += col.StringNoPk(db)
-		}
-		sql = strings.TrimSpace(sql)
-		sql += ", "
-	}
-
-	if len(pkList) > 1 {
-		sql += "PRIMARY KEY ( "
-		sql += strings.Join(pkList, ",")
-		sql += " ), "
-	}
-
-	sql = sql[:len(sql)-2] + ")"
-	sql += ";"
-	return sql
-}
-
-func (db *mssql) ForUpdateSql(query string) string {
-	return query
-}
-
-func (db *mssql) Filters() []core.Filter {
-	return []core.Filter{&core.IdFilter{}, &core.QuoteFilter{}}
-}
+// Copyright 2015 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/go-xorm/core"
+)
+
+var (
+	mssqlReservedWords = map[string]bool{
+		"ADD":                    true,
+		"EXTERNAL":               true,
+		"PROCEDURE":              true,
+		"ALL":                    true,
+		"FETCH":                  true,
+		"PUBLIC":                 true,
+		"ALTER":                  true,
+		"FILE":                   true,
+		"RAISERROR":              true,
+		"AND":                    true,
+		"FILLFACTOR":             true,
+		"READ":                   true,
+		"ANY":                    true,
+		"FOR":                    true,
+		"READTEXT":               true,
+		"AS":                     true,
+		"FOREIGN":                true,
+		"RECONFIGURE":            true,
+		"ASC":                    true,
+		"FREETEXT":               true,
+		"REFERENCES":             true,
+		"AUTHORIZATION":          true,
+		"FREETEXTTABLE":          true,
+		"REPLICATION":            true,
+		"BACKUP":                 true,
+		"FROM":                   true,
+		"RESTORE":                true,
+		"BEGIN":                  true,
+		"FULL":                   true,
+		"RESTRICT":               true,
+		"BETWEEN":                true,
+		"FUNCTION":               true,
+		"RETURN":                 true,
+		"BREAK":                  true,
+		"GOTO":                   true,
+		"REVERT":                 true,
+		"BROWSE":                 true,
+		"GRANT":                  true,
+		"REVOKE":                 true,
+		"BULK":                   true,
+		"GROUP":                  true,
+		"RIGHT":                  true,
+		"BY":                     true,
+		"HAVING":                 true,
+		"ROLLBACK":               true,
+		"CASCADE":                true,
+		"HOLDLOCK":               true,
+		"ROWCOUNT":               true,
+		"CASE":                   true,
+		"IDENTITY":               true,
+		"ROWGUIDCOL":             true,
+		"CHECK":                  true,
+		"IDENTITY_INSERT":        true,
+		"RULE":                   true,
+		"CHECKPOINT":             true,
+		"IDENTITYCOL":            true,
+		"SAVE":                   true,
+		"CLOSE":                  true,
+		"IF":                     true,
+		"SCHEMA":                 true,
+		"CLUSTERED":              true,
+		"IN":                     true,
+		"SECURITYAUDIT":          true,
+		"COALESCE":               true,
+		"INDEX":                  true,
+		"SELECT":                 true,
+		"COLLATE":                true,
+		"INNER":                  true,
+		"SEMANTICKEYPHRASETABLE": true,
+		"COLUMN":                 true,
+		"INSERT":                 true,
+		"SEMANTICSIMILARITYDETAILSTABLE": true,
+		"COMMIT":                  true,
+		"INTERSECT":               true,
+		"SEMANTICSIMILARITYTABLE": true,
+		"COMPUTE":                 true,
+		"INTO":                    true,
+		"SESSION_USER":            true,
+		"CONSTRAINT":              true,
+		"IS":                      true,
+		"SET":                     true,
+		"CONTAINS":                true,
+		"JOIN":                    true,
+		"SETUSER":                 true,
+		"CONTAINSTABLE":           true,
+		"KEY":                     true,
+		"SHUTDOWN":                true,
+		"CONTINUE":                true,
+		"KILL":                    true,
+		"SOME":                    true,
+		"CONVERT":                 true,
+		"LEFT":                    true,
+		"STATISTICS":              true,
+		"CREATE":                  true,
+		"LIKE":                    true,
+		"SYSTEM_USER":             true,
+		"CROSS":                   true,
+		"LINENO":                  true,
+		"TABLE":                   true,
+		"CURRENT":                 true,
+		"LOAD":                    true,
+		"TABLESAMPLE":             true,
+		"CURRENT_DATE":            true,
+		"MERGE":                   true,
+		"TEXTSIZE":                true,
+		"CURRENT_TIME":            true,
+		"NATIONAL":                true,
+		"THEN":                    true,
+		"CURRENT_TIMESTAMP":       true,
+		"NOCHECK":                 true,
+		"TO":                      true,
+		"CURRENT_USER":            true,
+		"NONCLUSTERED":            true,
+		"TOP":                     true,
+		"CURSOR":                  true,
+		"NOT":                     true,
+		"TRAN":                    true,
+		"DATABASE":                true,
+		"NULL":                    true,
+		"TRANSACTION":             true,
+		"DBCC":                    true,
+		"NULLIF":                  true,
+		"TRIGGER":                 true,
+		"DEALLOCATE":              true,
+		"OF":                      true,
+		"TRUNCATE":                true,
+		"DECLARE":                 true,
+		"OFF":                     true,
+		"TRY_CONVERT":             true,
+		"DEFAULT":                 true,
+		"OFFSETS":                 true,
+		"TSEQUAL":                 true,
+		"DELETE":                  true,
+		"ON":                      true,
+		"UNION":                   true,
+		"DENY":                    true,
+		"OPEN":                    true,
+		"UNIQUE":                  true,
+		"DESC":                    true,
+		"OPENDATASOURCE":          true,
+		"UNPIVOT":                 true,
+		"DISK":                    true,
+		"OPENQUERY":               true,
+		"UPDATE":                  true,
+		"DISTINCT":                true,
+		"OPENROWSET":              true,
+		"UPDATETEXT":              true,
+		"DISTRIBUTED":             true,
+		"OPENXML":                 true,
+		"USE":                     true,
+		"DOUBLE":                  true,
+		"OPTION":                  true,
+		"USER":                    true,
+		"DROP":                    true,
+		"OR":                      true,
+		"VALUES":                  true,
+		"DUMP":                    true,
+		"ORDER":                   true,
+		"VARYING":                 true,
+		"ELSE":                    true,
+		"OUTER":                   true,
+		"VIEW":                    true,
+		"END":                     true,
+		"OVER":                    true,
+		"WAITFOR":                 true,
+		"ERRLVL":                  true,
+		"PERCENT":                 true,
+		"WHEN":                    true,
+		"ESCAPE":                  true,
+		"PIVOT":                   true,
+		"WHERE":                   true,
+		"EXCEPT":                  true,
+		"PLAN":                    true,
+		"WHILE":                   true,
+		"EXEC":                    true,
+		"PRECISION":               true,
+		"WITH":                    true,
+		"EXECUTE":                 true,
+		"PRIMARY":                 true,
+		"WITHIN":                  true,
+		"EXISTS":                  true,
+		"PRINT":                   true,
+		"WRITETEXT":               true,
+		"EXIT":                    true,
+		"PROC":                    true,
+	}
+)
+
+type mssql struct {
+	core.Base
+}
+
+func (db *mssql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
+	return db.Base.Init(d, db, uri, drivername, dataSourceName)
+}
+
+func (db *mssql) SqlType(c *core.Column) string {
+	var res string
+	switch t := c.SQLType.Name; t {
+	case core.Bool:
+		res = core.TinyInt
+		if c.Default == "true" {
+			c.Default = "1"
+		} else if c.Default == "false" {
+			c.Default = "0"
+		}
+	case core.Serial:
+		c.IsAutoIncrement = true
+		c.IsPrimaryKey = true
+		c.Nullable = false
+		res = core.Int
+	case core.BigSerial:
+		c.IsAutoIncrement = true
+		c.IsPrimaryKey = true
+		c.Nullable = false
+		res = core.BigInt
+	case core.Bytea, core.Blob, core.Binary, core.TinyBlob, core.MediumBlob, core.LongBlob:
+		res = core.VarBinary
+		if c.Length == 0 {
+			c.Length = 50
+		}
+	case core.TimeStamp:
+		res = core.DateTime
+	case core.TimeStampz:
+		res = "DATETIMEOFFSET"
+		c.Length = 7
+	case core.MediumInt:
+		res = core.Int
+	case core.Text, core.MediumText, core.TinyText, core.LongText, core.Json:
+		res = core.Varchar + "(MAX)"
+	case core.Double:
+		res = core.Real
+	case core.Uuid:
+		res = core.Varchar
+		c.Length = 40
+	default:
+		res = t
+	}
+
+	if res == core.Int {
+		return core.Int
+	}
+
+	hasLen1 := (c.Length > 0)
+	hasLen2 := (c.Length2 > 0)
+
+	if hasLen2 {
+		res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
+	} else if hasLen1 {
+		res += "(" + strconv.Itoa(c.Length) + ")"
+	}
+	return res
+}
+
+func (db *mssql) SupportInsertMany() bool {
+	return true
+}
+
+func (db *mssql) IsReserved(name string) bool {
+	_, ok := mssqlReservedWords[name]
+	return ok
+}
+
+func (db *mssql) Quote(name string) string {
+	return "\"" + name + "\""
+}
+
+func (db *mssql) QuoteStr() string {
+	return "\""
+}
+
+func (db *mssql) SupportEngine() bool {
+	return false
+}
+
+func (db *mssql) AutoIncrStr() string {
+	return "IDENTITY"
+}
+
+func (db *mssql) DropTableSql(tableName string) string {
+	return fmt.Sprintf("IF EXISTS (SELECT * FROM sysobjects WHERE id = "+
+		"object_id(N'%s') and OBJECTPROPERTY(id, N'IsUserTable') = 1) "+
+		"DROP TABLE \"%s\"", tableName, tableName)
+}
+
+func (db *mssql) SupportCharset() bool {
+	return false
+}
+
+func (db *mssql) IndexOnTable() bool {
+	return true
+}
+
+func (db *mssql) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
+	args := []interface{}{idxName}
+	sql := "select name from sysindexes where id=object_id('" + tableName + "') and name=?"
+	return sql, args
+}
+
+/*func (db *mssql) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
+	args := []interface{}{tableName, colName}
+	sql := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
+	return sql, args
+}*/
+
+func (db *mssql) IsColumnExist(tableName, colName string) (bool, error) {
+	query := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
+
+	return db.HasRecords(query, tableName, colName)
+}
+
+func (db *mssql) TableCheckSql(tableName string) (string, []interface{}) {
+	args := []interface{}{}
+	sql := "select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsUserTable') = 1"
+	return sql, args
+}
+
+func (db *mssql) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
+	args := []interface{}{}
+	s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable,
+	      replace(replace(isnull(c.text,''),'(',''),')','') as vdefault   
+          from sys.columns a left join sys.types b on a.user_type_id=b.user_type_id 
+          left join  sys.syscomments c  on a.default_object_id=c.id 
+          where a.object_id=object_id('` + tableName + `')`
+	db.LogSQL(s, args)
+
+	rows, err := db.DB().Query(s, args...)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+
+	cols := make(map[string]*core.Column)
+	colSeq := make([]string, 0)
+	for rows.Next() {
+		var name, ctype, vdefault string
+		var maxLen, precision, scale int
+		var nullable bool
+		err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &vdefault)
+		if err != nil {
+			return nil, nil, err
+		}
+
+		col := new(core.Column)
+		col.Indexes = make(map[string]int)
+		col.Name = strings.Trim(name, "` ")
+		col.Nullable = nullable
+		col.Default = vdefault
+		ct := strings.ToUpper(ctype)
+		if ct == "DECIMAL" {
+			col.Length = precision
+			col.Length2 = scale
+		} else {
+			col.Length = maxLen
+		}
+		switch ct {
+		case "DATETIMEOFFSET":
+			col.SQLType = core.SQLType{Name: core.TimeStampz, DefaultLength: 0, DefaultLength2: 0}
+		case "NVARCHAR":
+			col.SQLType = core.SQLType{Name: core.NVarchar, DefaultLength: 0, DefaultLength2: 0}
+		case "IMAGE":
+			col.SQLType = core.SQLType{Name: core.VarBinary, DefaultLength: 0, DefaultLength2: 0}
+		default:
+			if _, ok := core.SqlTypes[ct]; ok {
+				col.SQLType = core.SQLType{Name: ct, DefaultLength: 0, DefaultLength2: 0}
+			} else {
+				return nil, nil, fmt.Errorf("Unknown colType %v for %v - %v", ct, tableName, col.Name)
+			}
+		}
+
+		if col.SQLType.IsText() || col.SQLType.IsTime() {
+			if col.Default != "" {
+				col.Default = "'" + col.Default + "'"
+			} else {
+				if col.DefaultIsEmpty {
+					col.Default = "''"
+				}
+			}
+		}
+		cols[col.Name] = col
+		colSeq = append(colSeq, col.Name)
+	}
+	return colSeq, cols, nil
+}
+
+func (db *mssql) GetTables() ([]*core.Table, error) {
+	args := []interface{}{}
+	s := `select name from sysobjects where xtype ='U'`
+	db.LogSQL(s, args)
+
+	rows, err := db.DB().Query(s, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	tables := make([]*core.Table, 0)
+	for rows.Next() {
+		table := core.NewEmptyTable()
+		var name string
+		err = rows.Scan(&name)
+		if err != nil {
+			return nil, err
+		}
+		table.Name = strings.Trim(name, "` ")
+		tables = append(tables, table)
+	}
+	return tables, nil
+}
+
+func (db *mssql) GetIndexes(tableName string) (map[string]*core.Index, error) {
+	args := []interface{}{tableName}
+	s := `SELECT
+IXS.NAME                    AS  [INDEX_NAME],
+C.NAME                      AS  [COLUMN_NAME],
+IXS.is_unique AS [IS_UNIQUE]
+FROM SYS.INDEXES IXS
+INNER JOIN SYS.INDEX_COLUMNS   IXCS
+ON IXS.OBJECT_ID=IXCS.OBJECT_ID  AND IXS.INDEX_ID = IXCS.INDEX_ID
+INNER   JOIN SYS.COLUMNS C  ON IXS.OBJECT_ID=C.OBJECT_ID
+AND IXCS.COLUMN_ID=C.COLUMN_ID
+WHERE IXS.TYPE_DESC='NONCLUSTERED' and OBJECT_NAME(IXS.OBJECT_ID) =?
+`
+	db.LogSQL(s, args)
+
+	rows, err := db.DB().Query(s, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	indexes := make(map[string]*core.Index, 0)
+	for rows.Next() {
+		var indexType int
+		var indexName, colName, isUnique string
+
+		err = rows.Scan(&indexName, &colName, &isUnique)
+		if err != nil {
+			return nil, err
+		}
+
+		i, err := strconv.ParseBool(isUnique)
+		if err != nil {
+			return nil, err
+		}
+
+		if i {
+			indexType = core.UniqueType
+		} else {
+			indexType = core.IndexType
+		}
+
+		colName = strings.Trim(colName, "` ")
+
+		if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
+			indexName = indexName[5+len(tableName):]
+		}
+
+		var index *core.Index
+		var ok bool
+		if index, ok = indexes[indexName]; !ok {
+			index = new(core.Index)
+			index.Type = indexType
+			index.Name = indexName
+			indexes[indexName] = index
+		}
+		index.AddColumn(colName)
+	}
+	return indexes, nil
+}
+
+func (db *mssql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
+	var sql string
+	if tableName == "" {
+		tableName = table.Name
+	}
+
+	sql = "IF NOT EXISTS (SELECT [name] FROM sys.tables WHERE [name] = '" + tableName + "' ) CREATE TABLE "
+
+	sql += db.QuoteStr() + tableName + db.QuoteStr() + " ("
+
+	pkList := table.PrimaryKeys
+
+	for _, colName := range table.ColumnsSeq() {
+		col := table.GetColumn(colName)
+		if col.IsPrimaryKey && len(pkList) == 1 {
+			sql += col.String(db)
+		} else {
+			sql += col.StringNoPk(db)
+		}
+		sql = strings.TrimSpace(sql)
+		sql += ", "
+	}
+
+	if len(pkList) > 1 {
+		sql += "PRIMARY KEY ( "
+		sql += strings.Join(pkList, ",")
+		sql += " ), "
+	}
+
+	sql = sql[:len(sql)-2] + ")"
+	sql += ";"
+	return sql
+}
+
+func (db *mssql) ForUpdateSql(query string) string {
+	return query
+}
+
+func (db *mssql) Filters() []core.Filter {
+	return []core.Filter{&core.IdFilter{}, &core.QuoteFilter{}}
+}

vendor/github.com/go-xorm/xorm/mysql_dialect.go

@@ -465,7 +465,7 @@ func (db *mysql) GetIndexes(tableName string) (map[string]*core.Index, error) {
 		colName = strings.Trim(colName, "` ")
 		var isRegular bool
 		if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
-			indexName = indexName[5+len(tableName) : len(indexName)]
+			indexName = indexName[5+len(tableName):]
 			isRegular = true
 		}
 

vendor/github.com/go-xorm/xorm/postgres_dialect.go

@@ -1077,7 +1077,7 @@ func (db *postgres) GetIndexes(tableName string) (map[string]*core.Index, error)
 		colNames = strings.Split(cs[1][0:len(cs[1])-1], ",")
 
 		if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
-			newIdxName := indexName[5+len(tableName) : len(indexName)]
+			newIdxName := indexName[5+len(tableName):]
 			if newIdxName != "" {
 				indexName = newIdxName
 			}

vendor/github.com/go-xorm/xorm/session_delete.go

@@ -0,0 +1,238 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+
+	"github.com/go-xorm/core"
+)
+
+func (session *Session) cacheDelete(sqlStr string, args ...interface{}) error {
+	if session.Statement.RefTable == nil ||
+		session.Tx != nil {
+		return ErrCacheFailed
+	}
+
+	for _, filter := range session.Engine.dialect.Filters() {
+		sqlStr = filter.Do(sqlStr, session.Engine.dialect, session.Statement.RefTable)
+	}
+
+	newsql := session.Statement.convertIDSQL(sqlStr)
+	if newsql == "" {
+		return ErrCacheFailed
+	}
+
+	cacher := session.Engine.getCacher2(session.Statement.RefTable)
+	tableName := session.Statement.TableName()
+	ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
+	if err != nil {
+		resultsSlice, err := session.query(newsql, args...)
+		if err != nil {
+			return err
+		}
+		ids = make([]core.PK, 0)
+		if len(resultsSlice) > 0 {
+			for _, data := range resultsSlice {
+				var id int64
+				var pk core.PK = make([]interface{}, 0)
+				for _, col := range session.Statement.RefTable.PKColumns() {
+					if v, ok := data[col.Name]; !ok {
+						return errors.New("no id")
+					} else if col.SQLType.IsText() {
+						pk = append(pk, string(v))
+					} else if col.SQLType.IsNumeric() {
+						id, err = strconv.ParseInt(string(v), 10, 64)
+						if err != nil {
+							return err
+						}
+						pk = append(pk, id)
+					} else {
+						return errors.New("not supported primary key type")
+					}
+				}
+				ids = append(ids, pk)
+			}
+		}
+	} /*else {
+	    session.Engine.LogDebug("delete cache sql %v", newsql)
+	    cacher.DelIds(tableName, genSqlKey(newsql, args))
+	}*/
+
+	for _, id := range ids {
+		session.Engine.logger.Debug("[cacheDelete] delete cache obj", tableName, id)
+		sid, err := id.ToString()
+		if err != nil {
+			return err
+		}
+		cacher.DelBean(tableName, sid)
+	}
+	session.Engine.logger.Debug("[cacheDelete] clear cache sql", tableName)
+	cacher.ClearIds(tableName)
+	return nil
+}
+
+// Delete records, bean's non-empty fields are conditions
+func (session *Session) Delete(bean interface{}) (int64, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	session.Statement.setRefValue(rValue(bean))
+	var table = session.Statement.RefTable
+
+	// handle before delete processors
+	for _, closure := range session.beforeClosures {
+		closure(bean)
+	}
+	cleanupProcessorsClosures(&session.beforeClosures)
+
+	if processor, ok := interface{}(bean).(BeforeDeleteProcessor); ok {
+		processor.BeforeDelete()
+	}
+
+	// --
+	condSQL, condArgs, _ := session.Statement.genConds(bean)
+	if len(condSQL) == 0 && session.Statement.LimitN == 0 {
+		return 0, ErrNeedDeletedCond
+	}
+
+	var tableName = session.Engine.Quote(session.Statement.TableName())
+	var deleteSQL string
+	if len(condSQL) > 0 {
+		deleteSQL = fmt.Sprintf("DELETE FROM %v WHERE %v", tableName, condSQL)
+	} else {
+		deleteSQL = fmt.Sprintf("DELETE FROM %v", tableName)
+	}
+
+	var orderSQL string
+	if len(session.Statement.OrderStr) > 0 {
+		orderSQL += fmt.Sprintf(" ORDER BY %s", session.Statement.OrderStr)
+	}
+	if session.Statement.LimitN > 0 {
+		orderSQL += fmt.Sprintf(" LIMIT %d", session.Statement.LimitN)
+	}
+
+	if len(orderSQL) > 0 {
+		switch session.Engine.dialect.DBType() {
+		case core.POSTGRES:
+			inSQL := fmt.Sprintf("ctid IN (SELECT ctid FROM %s%s)", tableName, orderSQL)
+			if len(condSQL) > 0 {
+				deleteSQL += " AND " + inSQL
+			} else {
+				deleteSQL += " WHERE " + inSQL
+			}
+		case core.SQLITE:
+			inSQL := fmt.Sprintf("rowid IN (SELECT rowid FROM %s%s)", tableName, orderSQL)
+			if len(condSQL) > 0 {
+				deleteSQL += " AND " + inSQL
+			} else {
+				deleteSQL += " WHERE " + inSQL
+			}
+		// TODO: how to handle delete limit on mssql?
+		case core.MSSQL:
+			return 0, ErrNotImplemented
+		default:
+			deleteSQL += orderSQL
+		}
+	}
+
+	var realSQL string
+	argsForCache := make([]interface{}, 0, len(condArgs)*2)
+	if session.Statement.unscoped || table.DeletedColumn() == nil { // tag "deleted" is disabled
+		realSQL = deleteSQL
+		copy(argsForCache, condArgs)
+		argsForCache = append(condArgs, argsForCache...)
+	} else {
+		// !oinume! sqlStrForCache and argsForCache is needed to behave as executing "DELETE FROM ..." for cache.
+		copy(argsForCache, condArgs)
+		argsForCache = append(condArgs, argsForCache...)
+
+		deletedColumn := table.DeletedColumn()
+		realSQL = fmt.Sprintf("UPDATE %v SET %v = ? WHERE %v",
+			session.Engine.Quote(session.Statement.TableName()),
+			session.Engine.Quote(deletedColumn.Name),
+			condSQL)
+
+		if len(orderSQL) > 0 {
+			switch session.Engine.dialect.DBType() {
+			case core.POSTGRES:
+				inSQL := fmt.Sprintf("ctid IN (SELECT ctid FROM %s%s)", tableName, orderSQL)
+				if len(condSQL) > 0 {
+					realSQL += " AND " + inSQL
+				} else {
+					realSQL += " WHERE " + inSQL
+				}
+			case core.SQLITE:
+				inSQL := fmt.Sprintf("rowid IN (SELECT rowid FROM %s%s)", tableName, orderSQL)
+				if len(condSQL) > 0 {
+					realSQL += " AND " + inSQL
+				} else {
+					realSQL += " WHERE " + inSQL
+				}
+			// TODO: how to handle delete limit on mssql?
+			case core.MSSQL:
+				return 0, ErrNotImplemented
+			default:
+				realSQL += orderSQL
+			}
+		}
+
+		// !oinume! Insert NowTime to the head of session.Statement.Params
+		condArgs = append(condArgs, "")
+		paramsLen := len(condArgs)
+		copy(condArgs[1:paramsLen], condArgs[0:paramsLen-1])
+
+		val, t := session.Engine.NowTime2(deletedColumn.SQLType.Name)
+		condArgs[0] = val
+
+		var colName = deletedColumn.Name
+		session.afterClosures = append(session.afterClosures, func(bean interface{}) {
+			col := table.GetColumn(colName)
+			setColumnTime(bean, col, t)
+		})
+	}
+
+	if cacher := session.Engine.getCacher2(session.Statement.RefTable); cacher != nil && session.Statement.UseCache {
+		session.cacheDelete(deleteSQL, argsForCache...)
+	}
+
+	res, err := session.exec(realSQL, condArgs...)
+	if err != nil {
+		return 0, err
+	}
+
+	// handle after delete processors
+	if session.IsAutoCommit {
+		for _, closure := range session.afterClosures {
+			closure(bean)
+		}
+		if processor, ok := interface{}(bean).(AfterDeleteProcessor); ok {
+			processor.AfterDelete()
+		}
+	} else {
+		lenAfterClosures := len(session.afterClosures)
+		if lenAfterClosures > 0 {
+			if value, has := session.afterDeleteBeans[bean]; has && value != nil {
+				*value = append(*value, session.afterClosures...)
+			} else {
+				afterClosures := make([]func(interface{}), lenAfterClosures)
+				copy(afterClosures, session.afterClosures)
+				session.afterDeleteBeans[bean] = &afterClosures
+			}
+		} else {
+			if _, ok := interface{}(bean).(AfterDeleteProcessor); ok {
+				session.afterDeleteBeans[bean] = nil
+			}
+		}
+	}
+	cleanupProcessorsClosures(&session.afterClosures)
+	// --
+
+	return res.RowsAffected()
+}

vendor/github.com/go-xorm/xorm/session_find.go

@@ -0,0 +1,458 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+
+	"github.com/go-xorm/builder"
+	"github.com/go-xorm/core"
+)
+
+const (
+	tpStruct = iota
+	tpNonStruct
+)
+
+// Find retrieve records from table, condiBeans's non-empty fields
+// are conditions. beans could be []Struct, []*Struct, map[int64]Struct
+// map[int64]*Struct
+func (session *Session) Find(rowsSlicePtr interface{}, condiBean ...interface{}) error {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
+	if sliceValue.Kind() != reflect.Slice && sliceValue.Kind() != reflect.Map {
+		return errors.New("needs a pointer to a slice or a map")
+	}
+
+	sliceElementType := sliceValue.Type().Elem()
+
+	var tp = tpStruct
+	if session.Statement.RefTable == nil {
+		if sliceElementType.Kind() == reflect.Ptr {
+			if sliceElementType.Elem().Kind() == reflect.Struct {
+				pv := reflect.New(sliceElementType.Elem())
+				session.Statement.setRefValue(pv.Elem())
+			} else {
+				//return errors.New("slice type")
+				tp = tpNonStruct
+			}
+		} else if sliceElementType.Kind() == reflect.Struct {
+			pv := reflect.New(sliceElementType)
+			session.Statement.setRefValue(pv.Elem())
+		} else {
+			//return errors.New("slice type")
+			tp = tpNonStruct
+		}
+	}
+
+	var table = session.Statement.RefTable
+
+	var addedTableName = (len(session.Statement.JoinStr) > 0)
+	var autoCond builder.Cond
+	if tp == tpStruct {
+		if !session.Statement.noAutoCondition && len(condiBean) > 0 {
+			var err error
+			autoCond, err = session.Statement.buildConds(table, condiBean[0], true, true, false, true, addedTableName)
+			if err != nil {
+				panic(err)
+			}
+		} else {
+			// !oinume! Add "<col> IS NULL" to WHERE whatever condiBean is given.
+			// See https://github.com/go-xorm/xorm/issues/179
+			if col := table.DeletedColumn(); col != nil && !session.Statement.unscoped { // tag "deleted" is enabled
+				var colName = session.Engine.Quote(col.Name)
+				if addedTableName {
+					var nm = session.Statement.TableName()
+					if len(session.Statement.TableAlias) > 0 {
+						nm = session.Statement.TableAlias
+					}
+					colName = session.Engine.Quote(nm) + "." + colName
+				}
+				if session.Engine.dialect.DBType() == core.MSSQL {
+					autoCond = builder.IsNull{colName}
+				} else {
+					autoCond = builder.IsNull{colName}.Or(builder.Eq{colName: "0001-01-01 00:00:00"})
+				}
+			}
+		}
+	}
+
+	var sqlStr string
+	var args []interface{}
+	if session.Statement.RawSQL == "" {
+		if len(session.Statement.TableName()) <= 0 {
+			return ErrTableNotFound
+		}
+
+		var columnStr = session.Statement.ColumnStr
+		if len(session.Statement.selectStr) > 0 {
+			columnStr = session.Statement.selectStr
+		} else {
+			if session.Statement.JoinStr == "" {
+				if columnStr == "" {
+					if session.Statement.GroupByStr != "" {
+						columnStr = session.Statement.Engine.Quote(strings.Replace(session.Statement.GroupByStr, ",", session.Engine.Quote(","), -1))
+					} else {
+						columnStr = session.Statement.genColumnStr()
+					}
+				}
+			} else {
+				if columnStr == "" {
+					if session.Statement.GroupByStr != "" {
+						columnStr = session.Statement.Engine.Quote(strings.Replace(session.Statement.GroupByStr, ",", session.Engine.Quote(","), -1))
+					} else {
+						columnStr = "*"
+					}
+				}
+			}
+			if columnStr == "" {
+				columnStr = "*"
+			}
+		}
+
+		condSQL, condArgs, _ := builder.ToSQL(session.Statement.cond.And(autoCond))
+
+		args = append(session.Statement.joinArgs, condArgs...)
+		sqlStr = session.Statement.genSelectSQL(columnStr, condSQL)
+		// for mssql and use limit
+		qs := strings.Count(sqlStr, "?")
+		if len(args)*2 == qs {
+			args = append(args, args...)
+		}
+	} else {
+		sqlStr = session.Statement.RawSQL
+		args = session.Statement.RawParams
+	}
+
+	var err error
+	if session.canCache() {
+		if cacher := session.Engine.getCacher2(table); cacher != nil &&
+			!session.Statement.IsDistinct &&
+			!session.Statement.unscoped {
+			err = session.cacheFind(sliceElementType, sqlStr, rowsSlicePtr, args...)
+			if err != ErrCacheFailed {
+				return err
+			}
+			err = nil // !nashtsai! reset err to nil for ErrCacheFailed
+			session.Engine.logger.Warn("Cache Find Failed")
+		}
+	}
+
+	if sliceValue.Kind() != reflect.Map {
+		return session.noCacheFind(sliceValue, sqlStr, args...)
+	}
+
+	resultsSlice, err := session.query(sqlStr, args...)
+	if err != nil {
+		return err
+	}
+
+	keyType := sliceValue.Type().Key()
+
+	for _, results := range resultsSlice {
+		var newValue reflect.Value
+		if sliceElementType.Kind() == reflect.Ptr {
+			newValue = reflect.New(sliceElementType.Elem())
+		} else {
+			newValue = reflect.New(sliceElementType)
+		}
+		err := session.scanMapIntoStruct(newValue.Interface(), results)
+		if err != nil {
+			return err
+		}
+		var key interface{}
+		// if there is only one pk, we can put the id as map key.
+		if len(table.PrimaryKeys) == 1 {
+			key, err = str2PK(string(results[table.PrimaryKeys[0]]), keyType)
+			if err != nil {
+				return err
+			}
+		} else {
+			if keyType.Kind() != reflect.Slice {
+				panic("don't support multiple primary key's map has non-slice key type")
+			} else {
+				var keys core.PK = make([]interface{}, 0, len(table.PrimaryKeys))
+				for _, pk := range table.PrimaryKeys {
+					skey, err := str2PK(string(results[pk]), keyType)
+					if err != nil {
+						return err
+					}
+					keys = append(keys, skey)
+				}
+				key = keys
+			}
+		}
+
+		if sliceElementType.Kind() == reflect.Ptr {
+			sliceValue.SetMapIndex(reflect.ValueOf(key), reflect.ValueOf(newValue.Interface()))
+		} else {
+			sliceValue.SetMapIndex(reflect.ValueOf(key), reflect.Indirect(reflect.ValueOf(newValue.Interface())))
+		}
+	}
+
+	return nil
+}
+
+func (session *Session) noCacheFind(sliceValue reflect.Value, sqlStr string, args ...interface{}) error {
+	var rawRows *core.Rows
+	var err error
+
+	session.queryPreprocess(&sqlStr, args...)
+	if session.IsAutoCommit {
+		_, rawRows, err = session.innerQuery(sqlStr, args...)
+	} else {
+		rawRows, err = session.Tx.Query(sqlStr, args...)
+	}
+	if err != nil {
+		return err
+	}
+	defer rawRows.Close()
+
+	fields, err := rawRows.Columns()
+	if err != nil {
+		return err
+	}
+
+	var newElemFunc func() reflect.Value
+	sliceElementType := sliceValue.Type().Elem()
+	if sliceElementType.Kind() == reflect.Ptr {
+		newElemFunc = func() reflect.Value {
+			return reflect.New(sliceElementType.Elem())
+		}
+	} else {
+		newElemFunc = func() reflect.Value {
+			return reflect.New(sliceElementType)
+		}
+	}
+
+	var sliceValueSetFunc func(*reflect.Value)
+
+	if sliceValue.Kind() == reflect.Slice {
+		if sliceElementType.Kind() == reflect.Ptr {
+			sliceValueSetFunc = func(newValue *reflect.Value) {
+				sliceValue.Set(reflect.Append(sliceValue, reflect.ValueOf(newValue.Interface())))
+			}
+		} else {
+			sliceValueSetFunc = func(newValue *reflect.Value) {
+				sliceValue.Set(reflect.Append(sliceValue, reflect.Indirect(reflect.ValueOf(newValue.Interface()))))
+			}
+		}
+	}
+
+	var newValue = newElemFunc()
+	dataStruct := rValue(newValue.Interface())
+	if dataStruct.Kind() == reflect.Struct {
+		return session.rows2Beans(rawRows, fields, len(fields), session.Engine.autoMapType(dataStruct), newElemFunc, sliceValueSetFunc)
+	}
+
+	for rawRows.Next() {
+		var newValue = newElemFunc()
+		bean := newValue.Interface()
+
+		if err := rawRows.Scan(bean); err != nil {
+			return err
+		}
+
+		sliceValueSetFunc(&newValue)
+	}
+	return nil
+}
+
+func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr interface{}, args ...interface{}) (err error) {
+	if !session.canCache() ||
+		indexNoCase(sqlStr, "having") != -1 ||
+		indexNoCase(sqlStr, "group by") != -1 {
+		return ErrCacheFailed
+	}
+
+	for _, filter := range session.Engine.dialect.Filters() {
+		sqlStr = filter.Do(sqlStr, session.Engine.dialect, session.Statement.RefTable)
+	}
+
+	newsql := session.Statement.convertIDSQL(sqlStr)
+	if newsql == "" {
+		return ErrCacheFailed
+	}
+
+	tableName := session.Statement.TableName()
+
+	table := session.Statement.RefTable
+	cacher := session.Engine.getCacher2(table)
+	ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
+	if err != nil {
+		rows, err := session.DB().Query(newsql, args...)
+		if err != nil {
+			return err
+		}
+		defer rows.Close()
+
+		var i int
+		ids = make([]core.PK, 0)
+		for rows.Next() {
+			i++
+			if i > 500 {
+				session.Engine.logger.Debug("[cacheFind] ids length > 500, no cache")
+				return ErrCacheFailed
+			}
+			var res = make([]string, len(table.PrimaryKeys))
+			err = rows.ScanSlice(&res)
+			if err != nil {
+				return err
+			}
+
+			var pk core.PK = make([]interface{}, len(table.PrimaryKeys))
+			for i, col := range table.PKColumns() {
+				if col.SQLType.IsNumeric() {
+					n, err := strconv.ParseInt(res[i], 10, 64)
+					if err != nil {
+						return err
+					}
+					pk[i] = n
+				} else if col.SQLType.IsText() {
+					pk[i] = res[i]
+				} else {
+					return errors.New("not supported")
+				}
+			}
+
+			ids = append(ids, pk)
+		}
+
+		session.Engine.logger.Debug("[cacheFind] cache sql:", ids, tableName, newsql, args)
+		err = core.PutCacheSql(cacher, ids, tableName, newsql, args)
+		if err != nil {
+			return err
+		}
+	} else {
+		session.Engine.logger.Debug("[cacheFind] cache hit sql:", newsql, args)
+	}
+
+	sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
+
+	ididxes := make(map[string]int)
+	var ides []core.PK
+	var temps = make([]interface{}, len(ids))
+
+	for idx, id := range ids {
+		sid, err := id.ToString()
+		if err != nil {
+			return err
+		}
+		bean := cacher.GetBean(tableName, sid)
+		if bean == nil {
+			ides = append(ides, id)
+			ididxes[sid] = idx
+		} else {
+			session.Engine.logger.Debug("[cacheFind] cache hit bean:", tableName, id, bean)
+
+			pk := session.Engine.IdOf(bean)
+			xid, err := pk.ToString()
+			if err != nil {
+				return err
+			}
+
+			if sid != xid {
+				session.Engine.logger.Error("[cacheFind] error cache", xid, sid, bean)
+				return ErrCacheFailed
+			}
+			temps[idx] = bean
+		}
+	}
+
+	if len(ides) > 0 {
+		newSession := session.Engine.NewSession()
+		defer newSession.Close()
+
+		slices := reflect.New(reflect.SliceOf(t))
+		beans := slices.Interface()
+
+		if len(table.PrimaryKeys) == 1 {
+			ff := make([]interface{}, 0, len(ides))
+			for _, ie := range ides {
+				ff = append(ff, ie[0])
+			}
+
+			newSession.In("`"+table.PrimaryKeys[0]+"`", ff...)
+		} else {
+			for _, ie := range ides {
+				cond := builder.NewCond()
+				for i, name := range table.PrimaryKeys {
+					cond = cond.And(builder.Eq{"`" + name + "`": ie[i]})
+				}
+				newSession.Or(cond)
+			}
+		}
+
+		err = newSession.NoCache().Find(beans)
+		if err != nil {
+			return err
+		}
+
+		vs := reflect.Indirect(reflect.ValueOf(beans))
+		for i := 0; i < vs.Len(); i++ {
+			rv := vs.Index(i)
+			if rv.Kind() != reflect.Ptr {
+				rv = rv.Addr()
+			}
+			id := session.Engine.IdOfV(rv)
+			sid, err := id.ToString()
+			if err != nil {
+				return err
+			}
+
+			bean := rv.Interface()
+			temps[ididxes[sid]] = bean
+			session.Engine.logger.Debug("[cacheFind] cache bean:", tableName, id, bean, temps)
+			cacher.PutBean(tableName, sid, bean)
+		}
+	}
+
+	for j := 0; j < len(temps); j++ {
+		bean := temps[j]
+		if bean == nil {
+			session.Engine.logger.Warn("[cacheFind] cache no hit:", tableName, ids[j], temps)
+			// return errors.New("cache error") // !nashtsai! no need to return error, but continue instead
+			continue
+		}
+		if sliceValue.Kind() == reflect.Slice {
+			if t.Kind() == reflect.Ptr {
+				sliceValue.Set(reflect.Append(sliceValue, reflect.ValueOf(bean)))
+			} else {
+				sliceValue.Set(reflect.Append(sliceValue, reflect.Indirect(reflect.ValueOf(bean))))
+			}
+		} else if sliceValue.Kind() == reflect.Map {
+			var key = ids[j]
+			keyType := sliceValue.Type().Key()
+			var ikey interface{}
+			if len(key) == 1 {
+				ikey, err = str2PK(fmt.Sprintf("%v", key[0]), keyType)
+				if err != nil {
+					return err
+				}
+			} else {
+				if keyType.Kind() != reflect.Slice {
+					return errors.New("table have multiple primary keys, key is not core.PK or slice")
+				}
+				ikey = key
+			}
+
+			if t.Kind() == reflect.Ptr {
+				sliceValue.SetMapIndex(reflect.ValueOf(ikey), reflect.ValueOf(bean))
+			} else {
+				sliceValue.SetMapIndex(reflect.ValueOf(ikey), reflect.Indirect(reflect.ValueOf(bean)))
+			}
+		}
+	}
+
+	return nil
+}

vendor/github.com/go-xorm/xorm/session_get.go

@@ -0,0 +1,177 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"errors"
+	"reflect"
+	"strconv"
+
+	"github.com/go-xorm/core"
+)
+
+// Get retrieve one record from database, bean's non-empty fields
+// will be as conditions
+func (session *Session) Get(bean interface{}) (bool, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	session.Statement.setRefValue(rValue(bean))
+
+	var sqlStr string
+	var args []interface{}
+
+	if session.Statement.RawSQL == "" {
+		if len(session.Statement.TableName()) <= 0 {
+			return false, ErrTableNotFound
+		}
+		session.Statement.Limit(1)
+		sqlStr, args = session.Statement.genGetSQL(bean)
+	} else {
+		sqlStr = session.Statement.RawSQL
+		args = session.Statement.RawParams
+	}
+
+	if session.canCache() {
+		if cacher := session.Engine.getCacher2(session.Statement.RefTable); cacher != nil &&
+			!session.Statement.unscoped {
+			has, err := session.cacheGet(bean, sqlStr, args...)
+			if err != ErrCacheFailed {
+				return has, err
+			}
+		}
+	}
+
+	return session.nocacheGet(bean, sqlStr, args...)
+}
+
+func (session *Session) nocacheGet(bean interface{}, sqlStr string, args ...interface{}) (bool, error) {
+	var rawRows *core.Rows
+	var err error
+	session.queryPreprocess(&sqlStr, args...)
+	if session.IsAutoCommit {
+		_, rawRows, err = session.innerQuery(sqlStr, args...)
+	} else {
+		rawRows, err = session.Tx.Query(sqlStr, args...)
+	}
+	if err != nil {
+		return false, err
+	}
+
+	defer rawRows.Close()
+
+	if rawRows.Next() {
+		fields, err := rawRows.Columns()
+		if err == nil {
+			err = session.row2Bean(rawRows, fields, len(fields), bean)
+		}
+		return true, err
+	}
+	return false, nil
+}
+
+func (session *Session) cacheGet(bean interface{}, sqlStr string, args ...interface{}) (has bool, err error) {
+	// if has no reftable, then don't use cache currently
+	if !session.canCache() {
+		return false, ErrCacheFailed
+	}
+
+	for _, filter := range session.Engine.dialect.Filters() {
+		sqlStr = filter.Do(sqlStr, session.Engine.dialect, session.Statement.RefTable)
+	}
+	newsql := session.Statement.convertIDSQL(sqlStr)
+	if newsql == "" {
+		return false, ErrCacheFailed
+	}
+
+	cacher := session.Engine.getCacher2(session.Statement.RefTable)
+	tableName := session.Statement.TableName()
+	session.Engine.logger.Debug("[cacheGet] find sql:", newsql, args)
+	ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
+	table := session.Statement.RefTable
+	if err != nil {
+		var res = make([]string, len(table.PrimaryKeys))
+		rows, err := session.DB().Query(newsql, args...)
+		if err != nil {
+			return false, err
+		}
+		defer rows.Close()
+
+		if rows.Next() {
+			err = rows.ScanSlice(&res)
+			if err != nil {
+				return false, err
+			}
+		} else {
+			return false, ErrCacheFailed
+		}
+
+		var pk core.PK = make([]interface{}, len(table.PrimaryKeys))
+		for i, col := range table.PKColumns() {
+			if col.SQLType.IsText() {
+				pk[i] = res[i]
+			} else if col.SQLType.IsNumeric() {
+				n, err := strconv.ParseInt(res[i], 10, 64)
+				if err != nil {
+					return false, err
+				}
+				pk[i] = n
+			} else {
+				return false, errors.New("unsupported")
+			}
+		}
+
+		ids = []core.PK{pk}
+		session.Engine.logger.Debug("[cacheGet] cache ids:", newsql, ids)
+		err = core.PutCacheSql(cacher, ids, tableName, newsql, args)
+		if err != nil {
+			return false, err
+		}
+	} else {
+		session.Engine.logger.Debug("[cacheGet] cache hit sql:", newsql)
+	}
+
+	if len(ids) > 0 {
+		structValue := reflect.Indirect(reflect.ValueOf(bean))
+		id := ids[0]
+		session.Engine.logger.Debug("[cacheGet] get bean:", tableName, id)
+		sid, err := id.ToString()
+		if err != nil {
+			return false, err
+		}
+		cacheBean := cacher.GetBean(tableName, sid)
+		if cacheBean == nil {
+			/*newSession := session.Engine.NewSession()
+			defer newSession.Close()
+			cacheBean = reflect.New(structValue.Type()).Interface()
+			newSession.Id(id).NoCache()
+			if session.Statement.AltTableName != "" {
+				newSession.Table(session.Statement.AltTableName)
+			}
+			if !session.Statement.UseCascade {
+				newSession.NoCascade()
+			}
+			has, err = newSession.Get(cacheBean)
+			*/
+			cacheBean = bean
+			has, err = session.nocacheGet(cacheBean, sqlStr, args...)
+			if err != nil || !has {
+				return has, err
+			}
+
+			session.Engine.logger.Debug("[cacheGet] cache bean:", tableName, id, cacheBean)
+			cacher.PutBean(tableName, sid, cacheBean)
+		} else {
+			session.Engine.logger.Debug("[cacheGet] cache hit bean:", tableName, id, cacheBean)
+			has = true
+		}
+		structValue.Set(reflect.Indirect(reflect.ValueOf(cacheBean)))
+
+		return has, nil
+	}
+	return false, nil
+}

vendor/github.com/go-xorm/xorm/session_insert.go

@@ -0,0 +1,527 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+
+	"github.com/go-xorm/core"
+)
+
+// Insert insert one or more beans
+func (session *Session) Insert(beans ...interface{}) (int64, error) {
+	var affected int64
+	var err error
+
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+	defer session.resetStatement()
+
+	for _, bean := range beans {
+		sliceValue := reflect.Indirect(reflect.ValueOf(bean))
+		if sliceValue.Kind() == reflect.Slice {
+			size := sliceValue.Len()
+			if size > 0 {
+				if session.Engine.SupportInsertMany() {
+					cnt, err := session.innerInsertMulti(bean)
+					if err != nil {
+						return affected, err
+					}
+					affected += cnt
+				} else {
+					for i := 0; i < size; i++ {
+						cnt, err := session.innerInsert(sliceValue.Index(i).Interface())
+						if err != nil {
+							return affected, err
+						}
+						affected += cnt
+					}
+				}
+			}
+		} else {
+			cnt, err := session.innerInsert(bean)
+			if err != nil {
+				return affected, err
+			}
+			affected += cnt
+		}
+	}
+
+	return affected, err
+}
+
+func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error) {
+	sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
+	if sliceValue.Kind() != reflect.Slice {
+		return 0, errors.New("needs a pointer to a slice")
+	}
+
+	if sliceValue.Len() <= 0 {
+		return 0, errors.New("could not insert a empty slice")
+	}
+
+	session.Statement.setRefValue(sliceValue.Index(0))
+
+	if len(session.Statement.TableName()) <= 0 {
+		return 0, ErrTableNotFound
+	}
+
+	table := session.Statement.RefTable
+	size := sliceValue.Len()
+
+	var colNames []string
+	var colMultiPlaces []string
+	var args []interface{}
+	var cols []*core.Column
+
+	for i := 0; i < size; i++ {
+		v := sliceValue.Index(i)
+		vv := reflect.Indirect(v)
+		elemValue := v.Interface()
+		var colPlaces []string
+
+		// handle BeforeInsertProcessor
+		// !nashtsai! does user expect it's same slice to passed closure when using Before()/After() when insert multi??
+		for _, closure := range session.beforeClosures {
+			closure(elemValue)
+		}
+
+		if processor, ok := interface{}(elemValue).(BeforeInsertProcessor); ok {
+			processor.BeforeInsert()
+		}
+		// --
+
+		if i == 0 {
+			for _, col := range table.Columns() {
+				ptrFieldValue, err := col.ValueOfV(&vv)
+				if err != nil {
+					return 0, err
+				}
+				fieldValue := *ptrFieldValue
+				if col.IsAutoIncrement && isZero(fieldValue.Interface()) {
+					continue
+				}
+				if col.MapType == core.ONLYFROMDB {
+					continue
+				}
+				if col.IsDeleted {
+					continue
+				}
+				if session.Statement.ColumnStr != "" {
+					if _, ok := getFlagForColumn(session.Statement.columnMap, col); !ok {
+						continue
+					}
+				}
+				if session.Statement.OmitStr != "" {
+					if _, ok := getFlagForColumn(session.Statement.columnMap, col); ok {
+						continue
+					}
+				}
+				if (col.IsCreated || col.IsUpdated) && session.Statement.UseAutoTime {
+					val, t := session.Engine.NowTime2(col.SQLType.Name)
+					args = append(args, val)
+
+					var colName = col.Name
+					session.afterClosures = append(session.afterClosures, func(bean interface{}) {
+						col := table.GetColumn(colName)
+						setColumnTime(bean, col, t)
+					})
+				} else if col.IsVersion && session.Statement.checkVersion {
+					args = append(args, 1)
+					var colName = col.Name
+					session.afterClosures = append(session.afterClosures, func(bean interface{}) {
+						col := table.GetColumn(colName)
+						setColumnInt(bean, col, 1)
+					})
+				} else {
+					arg, err := session.value2Interface(col, fieldValue)
+					if err != nil {
+						return 0, err
+					}
+					args = append(args, arg)
+				}
+
+				colNames = append(colNames, col.Name)
+				cols = append(cols, col)
+				colPlaces = append(colPlaces, "?")
+			}
+		} else {
+			for _, col := range cols {
+				ptrFieldValue, err := col.ValueOfV(&vv)
+				if err != nil {
+					return 0, err
+				}
+				fieldValue := *ptrFieldValue
+
+				if col.IsAutoIncrement && isZero(fieldValue.Interface()) {
+					continue
+				}
+				if col.MapType == core.ONLYFROMDB {
+					continue
+				}
+				if col.IsDeleted {
+					continue
+				}
+				if session.Statement.ColumnStr != "" {
+					if _, ok := getFlagForColumn(session.Statement.columnMap, col); !ok {
+						continue
+					}
+				}
+				if session.Statement.OmitStr != "" {
+					if _, ok := getFlagForColumn(session.Statement.columnMap, col); ok {
+						continue
+					}
+				}
+				if (col.IsCreated || col.IsUpdated) && session.Statement.UseAutoTime {
+					val, t := session.Engine.NowTime2(col.SQLType.Name)
+					args = append(args, val)
+
+					var colName = col.Name
+					session.afterClosures = append(session.afterClosures, func(bean interface{}) {
+						col := table.GetColumn(colName)
+						setColumnTime(bean, col, t)
+					})
+				} else if col.IsVersion && session.Statement.checkVersion {
+					args = append(args, 1)
+					var colName = col.Name
+					session.afterClosures = append(session.afterClosures, func(bean interface{}) {
+						col := table.GetColumn(colName)
+						setColumnInt(bean, col, 1)
+					})
+				} else {
+					arg, err := session.value2Interface(col, fieldValue)
+					if err != nil {
+						return 0, err
+					}
+					args = append(args, arg)
+				}
+
+				colPlaces = append(colPlaces, "?")
+			}
+		}
+		colMultiPlaces = append(colMultiPlaces, strings.Join(colPlaces, ", "))
+	}
+	cleanupProcessorsClosures(&session.beforeClosures)
+
+	statement := fmt.Sprintf("INSERT INTO %s (%v%v%v) VALUES (%v)",
+		session.Engine.Quote(session.Statement.TableName()),
+		session.Engine.QuoteStr(),
+		strings.Join(colNames, session.Engine.QuoteStr()+", "+session.Engine.QuoteStr()),
+		session.Engine.QuoteStr(),
+		strings.Join(colMultiPlaces, "),("))
+
+	res, err := session.exec(statement, args...)
+	if err != nil {
+		return 0, err
+	}
+
+	if cacher := session.Engine.getCacher2(table); cacher != nil && session.Statement.UseCache {
+		session.cacheInsert(session.Statement.TableName())
+	}
+
+	lenAfterClosures := len(session.afterClosures)
+	for i := 0; i < size; i++ {
+		elemValue := reflect.Indirect(sliceValue.Index(i)).Addr().Interface()
+
+		// handle AfterInsertProcessor
+		if session.IsAutoCommit {
+			// !nashtsai! does user expect it's same slice to passed closure when using Before()/After() when insert multi??
+			for _, closure := range session.afterClosures {
+				closure(elemValue)
+			}
+			if processor, ok := interface{}(elemValue).(AfterInsertProcessor); ok {
+				processor.AfterInsert()
+			}
+		} else {
+			if lenAfterClosures > 0 {
+				if value, has := session.afterInsertBeans[elemValue]; has && value != nil {
+					*value = append(*value, session.afterClosures...)
+				} else {
+					afterClosures := make([]func(interface{}), lenAfterClosures)
+					copy(afterClosures, session.afterClosures)
+					session.afterInsertBeans[elemValue] = &afterClosures
+				}
+			} else {
+				if _, ok := interface{}(elemValue).(AfterInsertProcessor); ok {
+					session.afterInsertBeans[elemValue] = nil
+				}
+			}
+		}
+	}
+
+	cleanupProcessorsClosures(&session.afterClosures)
+	return res.RowsAffected()
+}
+
+// InsertMulti insert multiple records
+func (session *Session) InsertMulti(rowsSlicePtr interface{}) (int64, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
+	if sliceValue.Kind() != reflect.Slice {
+		return 0, ErrParamsType
+
+	}
+
+	if sliceValue.Len() <= 0 {
+		return 0, nil
+	}
+
+	return session.innerInsertMulti(rowsSlicePtr)
+}
+
+func (session *Session) innerInsert(bean interface{}) (int64, error) {
+	session.Statement.setRefValue(rValue(bean))
+	if len(session.Statement.TableName()) <= 0 {
+		return 0, ErrTableNotFound
+	}
+
+	table := session.Statement.RefTable
+
+	// handle BeforeInsertProcessor
+	for _, closure := range session.beforeClosures {
+		closure(bean)
+	}
+	cleanupProcessorsClosures(&session.beforeClosures) // cleanup after used
+
+	if processor, ok := interface{}(bean).(BeforeInsertProcessor); ok {
+		processor.BeforeInsert()
+	}
+	// --
+	colNames, args, err := genCols(session.Statement.RefTable, session, bean, false, false)
+	if err != nil {
+		return 0, err
+	}
+	// insert expr columns, override if exists
+	exprColumns := session.Statement.getExpr()
+	exprColVals := make([]string, 0, len(exprColumns))
+	for _, v := range exprColumns {
+		// remove the expr columns
+		for i, colName := range colNames {
+			if colName == v.colName {
+				colNames = append(colNames[:i], colNames[i+1:]...)
+				args = append(args[:i], args[i+1:]...)
+			}
+		}
+
+		// append expr column to the end
+		colNames = append(colNames, v.colName)
+		exprColVals = append(exprColVals, v.expr)
+	}
+
+	colPlaces := strings.Repeat("?, ", len(colNames)-len(exprColumns))
+	if len(exprColVals) > 0 {
+		colPlaces = colPlaces + strings.Join(exprColVals, ", ")
+	} else {
+		colPlaces = colPlaces[0 : len(colPlaces)-2]
+	}
+
+	sqlStr := fmt.Sprintf("INSERT INTO %s (%v%v%v) VALUES (%v)",
+		session.Engine.Quote(session.Statement.TableName()),
+		session.Engine.QuoteStr(),
+		strings.Join(colNames, session.Engine.Quote(", ")),
+		session.Engine.QuoteStr(),
+		colPlaces)
+
+	handleAfterInsertProcessorFunc := func(bean interface{}) {
+		if session.IsAutoCommit {
+			for _, closure := range session.afterClosures {
+				closure(bean)
+			}
+			if processor, ok := interface{}(bean).(AfterInsertProcessor); ok {
+				processor.AfterInsert()
+			}
+		} else {
+			lenAfterClosures := len(session.afterClosures)
+			if lenAfterClosures > 0 {
+				if value, has := session.afterInsertBeans[bean]; has && value != nil {
+					*value = append(*value, session.afterClosures...)
+				} else {
+					afterClosures := make([]func(interface{}), lenAfterClosures)
+					copy(afterClosures, session.afterClosures)
+					session.afterInsertBeans[bean] = &afterClosures
+				}
+
+			} else {
+				if _, ok := interface{}(bean).(AfterInsertProcessor); ok {
+					session.afterInsertBeans[bean] = nil
+				}
+			}
+		}
+		cleanupProcessorsClosures(&session.afterClosures) // cleanup after used
+	}
+
+	// for postgres, many of them didn't implement lastInsertId, so we should
+	// implemented it ourself.
+	if session.Engine.dialect.DBType() == core.ORACLE && len(table.AutoIncrement) > 0 {
+		//assert table.AutoIncrement != ""
+		res, err := session.query("select seq_atable.currval from dual", args...)
+		if err != nil {
+			return 0, err
+		}
+
+		handleAfterInsertProcessorFunc(bean)
+
+		if cacher := session.Engine.getCacher2(table); cacher != nil && session.Statement.UseCache {
+			session.cacheInsert(session.Statement.TableName())
+		}
+
+		if table.Version != "" && session.Statement.checkVersion {
+			verValue, err := table.VersionColumn().ValueOf(bean)
+			if err != nil {
+				session.Engine.logger.Error(err)
+			} else if verValue.IsValid() && verValue.CanSet() {
+				verValue.SetInt(1)
+			}
+		}
+
+		if len(res) < 1 {
+			return 0, errors.New("insert no error but not returned id")
+		}
+
+		idByte := res[0][table.AutoIncrement]
+		id, err := strconv.ParseInt(string(idByte), 10, 64)
+		if err != nil || id <= 0 {
+			return 1, err
+		}
+
+		aiValue, err := table.AutoIncrColumn().ValueOf(bean)
+		if err != nil {
+			session.Engine.logger.Error(err)
+		}
+
+		if aiValue == nil || !aiValue.IsValid() || !aiValue.CanSet() {
+			return 1, nil
+		}
+
+		aiValue.Set(int64ToIntValue(id, aiValue.Type()))
+
+		return 1, nil
+	} else if session.Engine.dialect.DBType() == core.POSTGRES && len(table.AutoIncrement) > 0 {
+		//assert table.AutoIncrement != ""
+		sqlStr = sqlStr + " RETURNING " + session.Engine.Quote(table.AutoIncrement)
+		res, err := session.query(sqlStr, args...)
+
+		if err != nil {
+			return 0, err
+		}
+		handleAfterInsertProcessorFunc(bean)
+
+		if cacher := session.Engine.getCacher2(table); cacher != nil && session.Statement.UseCache {
+			session.cacheInsert(session.Statement.TableName())
+		}
+
+		if table.Version != "" && session.Statement.checkVersion {
+			verValue, err := table.VersionColumn().ValueOf(bean)
+			if err != nil {
+				session.Engine.logger.Error(err)
+			} else if verValue.IsValid() && verValue.CanSet() {
+				verValue.SetInt(1)
+			}
+		}
+
+		if len(res) < 1 {
+			return 0, errors.New("insert no error but not returned id")
+		}
+
+		idByte := res[0][table.AutoIncrement]
+		id, err := strconv.ParseInt(string(idByte), 10, 64)
+		if err != nil || id <= 0 {
+			return 1, err
+		}
+
+		aiValue, err := table.AutoIncrColumn().ValueOf(bean)
+		if err != nil {
+			session.Engine.logger.Error(err)
+		}
+
+		if aiValue == nil || !aiValue.IsValid() || !aiValue.CanSet() {
+			return 1, nil
+		}
+
+		aiValue.Set(int64ToIntValue(id, aiValue.Type()))
+
+		return 1, nil
+	} else {
+		res, err := session.exec(sqlStr, args...)
+		if err != nil {
+			return 0, err
+		}
+
+		defer handleAfterInsertProcessorFunc(bean)
+
+		if cacher := session.Engine.getCacher2(table); cacher != nil && session.Statement.UseCache {
+			session.cacheInsert(session.Statement.TableName())
+		}
+
+		if table.Version != "" && session.Statement.checkVersion {
+			verValue, err := table.VersionColumn().ValueOf(bean)
+			if err != nil {
+				session.Engine.logger.Error(err)
+			} else if verValue.IsValid() && verValue.CanSet() {
+				verValue.SetInt(1)
+			}
+		}
+
+		if table.AutoIncrement == "" {
+			return res.RowsAffected()
+		}
+
+		var id int64
+		id, err = res.LastInsertId()
+		if err != nil || id <= 0 {
+			return res.RowsAffected()
+		}
+
+		aiValue, err := table.AutoIncrColumn().ValueOf(bean)
+		if err != nil {
+			session.Engine.logger.Error(err)
+		}
+
+		if aiValue == nil || !aiValue.IsValid() || !aiValue.CanSet() {
+			return res.RowsAffected()
+		}
+
+		aiValue.Set(int64ToIntValue(id, aiValue.Type()))
+
+		return res.RowsAffected()
+	}
+}
+
+// InsertOne insert only one struct into database as a record.
+// The in parameter bean must a struct or a point to struct. The return
+// parameter is inserted and error
+func (session *Session) InsertOne(bean interface{}) (int64, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	return session.innerInsert(bean)
+}
+
+func (session *Session) cacheInsert(tables ...string) error {
+	if session.Statement.RefTable == nil {
+		return ErrCacheFailed
+	}
+
+	table := session.Statement.RefTable
+	cacher := session.Engine.getCacher2(table)
+
+	for _, t := range tables {
+		session.Engine.logger.Debug("[cache] clear sql:", t)
+		cacher.ClearIds(t)
+	}
+
+	return nil
+}

vendor/github.com/go-xorm/xorm/session_iterate.go

@@ -0,0 +1,42 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import "reflect"
+
+// IterFunc only use by Iterate
+type IterFunc func(idx int, bean interface{}) error
+
+// Rows return sql.Rows compatible Rows obj, as a forward Iterator object for iterating record by record, bean's non-empty fields
+// are conditions.
+func (session *Session) Rows(bean interface{}) (*Rows, error) {
+	return newRows(session, bean)
+}
+
+// Iterate record by record handle records from table, condiBeans's non-empty fields
+// are conditions. beans could be []Struct, []*Struct, map[int64]Struct
+// map[int64]*Struct
+func (session *Session) Iterate(bean interface{}, fun IterFunc) error {
+	rows, err := session.Rows(bean)
+	if err != nil {
+		return err
+	}
+	defer rows.Close()
+
+	i := 0
+	for rows.Next() {
+		b := reflect.New(rows.beanType).Interface()
+		err = rows.Scan(b)
+		if err != nil {
+			return err
+		}
+		err = fun(i, b)
+		if err != nil {
+			return err
+		}
+		i++
+	}
+	return err
+}

vendor/github.com/go-xorm/xorm/session_raw.go

@@ -0,0 +1,144 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"database/sql"
+
+	"github.com/go-xorm/core"
+)
+
+func (session *Session) query(sqlStr string, paramStr ...interface{}) (resultsSlice []map[string][]byte, err error) {
+	session.queryPreprocess(&sqlStr, paramStr...)
+
+	if session.IsAutoCommit {
+		return session.innerQuery2(sqlStr, paramStr...)
+	}
+	return session.txQuery(session.Tx, sqlStr, paramStr...)
+}
+
+func (session *Session) txQuery(tx *core.Tx, sqlStr string, params ...interface{}) (resultsSlice []map[string][]byte, err error) {
+	rows, err := tx.Query(sqlStr, params...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	return rows2maps(rows)
+}
+
+func (session *Session) innerQuery(sqlStr string, params ...interface{}) (*core.Stmt, *core.Rows, error) {
+	var callback func() (*core.Stmt, *core.Rows, error)
+	if session.prepareStmt {
+		callback = func() (*core.Stmt, *core.Rows, error) {
+			stmt, err := session.doPrepare(sqlStr)
+			if err != nil {
+				return nil, nil, err
+			}
+			rows, err := stmt.Query(params...)
+			if err != nil {
+				return nil, nil, err
+			}
+			return stmt, rows, nil
+		}
+	} else {
+		callback = func() (*core.Stmt, *core.Rows, error) {
+			rows, err := session.DB().Query(sqlStr, params...)
+			if err != nil {
+				return nil, nil, err
+			}
+			return nil, rows, err
+		}
+	}
+	stmt, rows, err := session.Engine.logSQLQueryTime(sqlStr, params, callback)
+	if err != nil {
+		return nil, nil, err
+	}
+	return stmt, rows, nil
+}
+
+func (session *Session) innerQuery2(sqlStr string, params ...interface{}) ([]map[string][]byte, error) {
+	_, rows, err := session.innerQuery(sqlStr, params...)
+	if rows != nil {
+		defer rows.Close()
+	}
+	if err != nil {
+		return nil, err
+	}
+	return rows2maps(rows)
+}
+
+// Query a raw sql and return records as []map[string][]byte
+func (session *Session) Query(sqlStr string, paramStr ...interface{}) (resultsSlice []map[string][]byte, err error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	return session.query(sqlStr, paramStr...)
+}
+
+// =============================
+// for string
+// =============================
+func (session *Session) query2(sqlStr string, paramStr ...interface{}) (resultsSlice []map[string]string, err error) {
+	session.queryPreprocess(&sqlStr, paramStr...)
+
+	if session.IsAutoCommit {
+		return query2(session.DB(), sqlStr, paramStr...)
+	}
+	return txQuery2(session.Tx, sqlStr, paramStr...)
+}
+
+// Execute sql
+func (session *Session) innerExec(sqlStr string, args ...interface{}) (sql.Result, error) {
+	if session.prepareStmt {
+		stmt, err := session.doPrepare(sqlStr)
+		if err != nil {
+			return nil, err
+		}
+
+		res, err := stmt.Exec(args...)
+		if err != nil {
+			return nil, err
+		}
+		return res, nil
+	}
+
+	return session.DB().Exec(sqlStr, args...)
+}
+
+func (session *Session) exec(sqlStr string, args ...interface{}) (sql.Result, error) {
+	for _, filter := range session.Engine.dialect.Filters() {
+		// TODO: for table name, it's no need to RefTable
+		sqlStr = filter.Do(sqlStr, session.Engine.dialect, session.Statement.RefTable)
+	}
+
+	session.saveLastSQL(sqlStr, args...)
+
+	return session.Engine.logSQLExecutionTime(sqlStr, args, func() (sql.Result, error) {
+		if session.IsAutoCommit {
+			// FIXME: oci8 can not auto commit (github.com/mattn/go-oci8)
+			if session.Engine.dialect.DBType() == core.ORACLE {
+				session.Begin()
+				r, err := session.Tx.Exec(sqlStr, args...)
+				session.Commit()
+				return r, err
+			}
+			return session.innerExec(sqlStr, args...)
+		}
+		return session.Tx.Exec(sqlStr, args...)
+	})
+}
+
+// Exec raw sql
+func (session *Session) Exec(sqlStr string, args ...interface{}) (sql.Result, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	return session.exec(sqlStr, args...)
+}

vendor/github.com/go-xorm/xorm/session_schema.go

@@ -0,0 +1,486 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/go-xorm/core"
+)
+
+// Ping test if database is ok
+func (session *Session) Ping() error {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	return session.DB().Ping()
+}
+
+// CreateTable create a table according a bean
+func (session *Session) CreateTable(bean interface{}) error {
+	v := rValue(bean)
+	session.Statement.setRefValue(v)
+
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	return session.createOneTable()
+}
+
+// CreateIndexes create indexes
+func (session *Session) CreateIndexes(bean interface{}) error {
+	v := rValue(bean)
+	session.Statement.setRefValue(v)
+
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	sqls := session.Statement.genIndexSQL()
+	for _, sqlStr := range sqls {
+		_, err := session.exec(sqlStr)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// CreateUniques create uniques
+func (session *Session) CreateUniques(bean interface{}) error {
+	v := rValue(bean)
+	session.Statement.setRefValue(v)
+
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	sqls := session.Statement.genUniqueSQL()
+	for _, sqlStr := range sqls {
+		_, err := session.exec(sqlStr)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (session *Session) createOneTable() error {
+	sqlStr := session.Statement.genCreateTableSQL()
+	_, err := session.exec(sqlStr)
+	return err
+}
+
+// to be deleted
+func (session *Session) createAll() error {
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	for _, table := range session.Engine.Tables {
+		session.Statement.RefTable = table
+		session.Statement.tableName = table.Name
+		err := session.createOneTable()
+		session.resetStatement()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// DropIndexes drop indexes
+func (session *Session) DropIndexes(bean interface{}) error {
+	v := rValue(bean)
+	session.Statement.setRefValue(v)
+
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	sqls := session.Statement.genDelIndexSQL()
+	for _, sqlStr := range sqls {
+		_, err := session.exec(sqlStr)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// DropTable drop table will drop table if exist, if drop failed, it will return error
+func (session *Session) DropTable(beanOrTableName interface{}) error {
+	tableName, err := session.Engine.tableName(beanOrTableName)
+	if err != nil {
+		return err
+	}
+
+	var needDrop = true
+	if !session.Engine.dialect.SupportDropIfExists() {
+		sqlStr, args := session.Engine.dialect.TableCheckSql(tableName)
+		results, err := session.query(sqlStr, args...)
+		if err != nil {
+			return err
+		}
+		needDrop = len(results) > 0
+	}
+
+	if needDrop {
+		sqlStr := session.Engine.Dialect().DropTableSql(tableName)
+		_, err = session.exec(sqlStr)
+		return err
+	}
+	return nil
+}
+
+// IsTableExist if a table is exist
+func (session *Session) IsTableExist(beanOrTableName interface{}) (bool, error) {
+	tableName, err := session.Engine.tableName(beanOrTableName)
+	if err != nil {
+		return false, err
+	}
+
+	return session.isTableExist(tableName)
+}
+
+func (session *Session) isTableExist(tableName string) (bool, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+	sqlStr, args := session.Engine.dialect.TableCheckSql(tableName)
+	results, err := session.query(sqlStr, args...)
+	return len(results) > 0, err
+}
+
+// IsTableEmpty if table have any records
+func (session *Session) IsTableEmpty(bean interface{}) (bool, error) {
+	v := rValue(bean)
+	t := v.Type()
+
+	if t.Kind() == reflect.String {
+		return session.isTableEmpty(bean.(string))
+	} else if t.Kind() == reflect.Struct {
+		rows, err := session.Count(bean)
+		return rows == 0, err
+	}
+	return false, errors.New("bean should be a struct or struct's point")
+}
+
+func (session *Session) isTableEmpty(tableName string) (bool, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	var total int64
+	sqlStr := fmt.Sprintf("select count(*) from %s", session.Engine.Quote(tableName))
+	err := session.DB().QueryRow(sqlStr).Scan(&total)
+	session.saveLastSQL(sqlStr)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			err = nil
+		}
+		return true, err
+	}
+
+	return total == 0, nil
+}
+
+func (session *Session) isIndexExist(tableName, idxName string, unique bool) (bool, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+	var idx string
+	if unique {
+		idx = uniqueName(tableName, idxName)
+	} else {
+		idx = indexName(tableName, idxName)
+	}
+	sqlStr, args := session.Engine.dialect.IndexCheckSql(tableName, idx)
+	results, err := session.query(sqlStr, args...)
+	return len(results) > 0, err
+}
+
+// find if index is exist according cols
+func (session *Session) isIndexExist2(tableName string, cols []string, unique bool) (bool, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	indexes, err := session.Engine.dialect.GetIndexes(tableName)
+	if err != nil {
+		return false, err
+	}
+
+	for _, index := range indexes {
+		if sliceEq(index.Cols, cols) {
+			if unique {
+				return index.Type == core.UniqueType, nil
+			}
+			return index.Type == core.IndexType, nil
+		}
+	}
+	return false, nil
+}
+
+func (session *Session) addColumn(colName string) error {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	col := session.Statement.RefTable.GetColumn(colName)
+	sql, args := session.Statement.genAddColumnStr(col)
+	_, err := session.exec(sql, args...)
+	return err
+}
+
+func (session *Session) addIndex(tableName, idxName string) error {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+	index := session.Statement.RefTable.Indexes[idxName]
+	sqlStr := session.Engine.dialect.CreateIndexSql(tableName, index)
+
+	_, err := session.exec(sqlStr)
+	return err
+}
+
+func (session *Session) addUnique(tableName, uqeName string) error {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+	index := session.Statement.RefTable.Indexes[uqeName]
+	sqlStr := session.Engine.dialect.CreateIndexSql(tableName, index)
+	_, err := session.exec(sqlStr)
+	return err
+}
+
+// To be deleted
+func (session *Session) dropAll() error {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	for _, table := range session.Engine.Tables {
+		session.Statement.Init()
+		session.Statement.RefTable = table
+		sqlStr := session.Engine.Dialect().DropTableSql(session.Statement.TableName())
+		_, err := session.exec(sqlStr)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Sync2 synchronize structs to database tables
+func (session *Session) Sync2(beans ...interface{}) error {
+	engine := session.Engine
+
+	tables, err := engine.DBMetas()
+	if err != nil {
+		return err
+	}
+
+	var structTables []*core.Table
+
+	for _, bean := range beans {
+		v := rValue(bean)
+		table := engine.mapType(v)
+		structTables = append(structTables, table)
+		var tbName = session.tbNameNoSchema(table)
+
+		var oriTable *core.Table
+		for _, tb := range tables {
+			if strings.EqualFold(tb.Name, tbName) {
+				oriTable = tb
+				break
+			}
+		}
+
+		if oriTable == nil {
+			err = session.StoreEngine(session.Statement.StoreEngine).CreateTable(bean)
+			if err != nil {
+				return err
+			}
+
+			err = session.CreateUniques(bean)
+			if err != nil {
+				return err
+			}
+
+			err = session.CreateIndexes(bean)
+			if err != nil {
+				return err
+			}
+		} else {
+			for _, col := range table.Columns() {
+				var oriCol *core.Column
+				for _, col2 := range oriTable.Columns() {
+					if strings.EqualFold(col.Name, col2.Name) {
+						oriCol = col2
+						break
+					}
+				}
+
+				if oriCol != nil {
+					expectedType := engine.dialect.SqlType(col)
+					curType := engine.dialect.SqlType(oriCol)
+					if expectedType != curType {
+						if expectedType == core.Text &&
+							strings.HasPrefix(curType, core.Varchar) {
+							// currently only support mysql & postgres
+							if engine.dialect.DBType() == core.MYSQL ||
+								engine.dialect.DBType() == core.POSTGRES {
+								engine.logger.Infof("Table %s column %s change type from %s to %s\n",
+									tbName, col.Name, curType, expectedType)
+								_, err = engine.Exec(engine.dialect.ModifyColumnSql(table.Name, col))
+							} else {
+								engine.logger.Warnf("Table %s column %s db type is %s, struct type is %s\n",
+									tbName, col.Name, curType, expectedType)
+							}
+						} else if strings.HasPrefix(curType, core.Varchar) && strings.HasPrefix(expectedType, core.Varchar) {
+							if engine.dialect.DBType() == core.MYSQL {
+								if oriCol.Length < col.Length {
+									engine.logger.Infof("Table %s column %s change type from varchar(%d) to varchar(%d)\n",
+										tbName, col.Name, oriCol.Length, col.Length)
+									_, err = engine.Exec(engine.dialect.ModifyColumnSql(table.Name, col))
+								}
+							}
+						} else {
+							if !(strings.HasPrefix(curType, expectedType) && curType[len(expectedType)] == '(') {
+								engine.logger.Warnf("Table %s column %s db type is %s, struct type is %s",
+									tbName, col.Name, curType, expectedType)
+							}
+						}
+					} else if expectedType == core.Varchar {
+						if engine.dialect.DBType() == core.MYSQL {
+							if oriCol.Length < col.Length {
+								engine.logger.Infof("Table %s column %s change type from varchar(%d) to varchar(%d)\n",
+									tbName, col.Name, oriCol.Length, col.Length)
+								_, err = engine.Exec(engine.dialect.ModifyColumnSql(table.Name, col))
+							}
+						}
+					}
+					if col.Default != oriCol.Default {
+						engine.logger.Warnf("Table %s Column %s db default is %s, struct default is %s",
+							tbName, col.Name, oriCol.Default, col.Default)
+					}
+					if col.Nullable != oriCol.Nullable {
+						engine.logger.Warnf("Table %s Column %s db nullable is %v, struct nullable is %v",
+							tbName, col.Name, oriCol.Nullable, col.Nullable)
+					}
+				} else {
+					session := engine.NewSession()
+					session.Statement.RefTable = table
+					session.Statement.tableName = tbName
+					defer session.Close()
+					err = session.addColumn(col.Name)
+				}
+				if err != nil {
+					return err
+				}
+			}
+
+			var foundIndexNames = make(map[string]bool)
+			var addedNames = make(map[string]*core.Index)
+
+			for name, index := range table.Indexes {
+				var oriIndex *core.Index
+				for name2, index2 := range oriTable.Indexes {
+					if index.Equal(index2) {
+						oriIndex = index2
+						foundIndexNames[name2] = true
+						break
+					}
+				}
+
+				if oriIndex != nil {
+					if oriIndex.Type != index.Type {
+						sql := engine.dialect.DropIndexSql(tbName, oriIndex)
+						_, err = engine.Exec(sql)
+						if err != nil {
+							return err
+						}
+						oriIndex = nil
+					}
+				}
+
+				if oriIndex == nil {
+					addedNames[name] = index
+				}
+			}
+
+			for name2, index2 := range oriTable.Indexes {
+				if _, ok := foundIndexNames[name2]; !ok {
+					sql := engine.dialect.DropIndexSql(tbName, index2)
+					_, err = engine.Exec(sql)
+					if err != nil {
+						return err
+					}
+				}
+			}
+
+			for name, index := range addedNames {
+				if index.Type == core.UniqueType {
+					session := engine.NewSession()
+					session.Statement.RefTable = table
+					session.Statement.tableName = tbName
+					defer session.Close()
+					err = session.addUnique(tbName, name)
+				} else if index.Type == core.IndexType {
+					session := engine.NewSession()
+					session.Statement.RefTable = table
+					session.Statement.tableName = tbName
+					defer session.Close()
+					err = session.addIndex(tbName, name)
+				}
+				if err != nil {
+					return err
+				}
+			}
+		}
+	}
+
+	for _, table := range tables {
+		var oriTable *core.Table
+		for _, structTable := range structTables {
+			if strings.EqualFold(table.Name, session.tbNameNoSchema(structTable)) {
+				oriTable = structTable
+				break
+			}
+		}
+
+		if oriTable == nil {
+			//engine.LogWarnf("Table %s has no struct to mapping it", table.Name)
+			continue
+		}
+
+		for _, colName := range table.ColumnsSeq() {
+			if oriTable.GetColumn(colName) == nil {
+				engine.logger.Warnf("Table %s has column %s but struct has not related field", table.Name, colName)
+			}
+		}
+	}
+	return nil
+}

vendor/github.com/go-xorm/xorm/session_sum.go

@@ -0,0 +1,137 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import "database/sql"
+
+// Count counts the records. bean's non-empty fields
+// are conditions.
+func (session *Session) Count(bean interface{}) (int64, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	var sqlStr string
+	var args []interface{}
+	if session.Statement.RawSQL == "" {
+		sqlStr, args = session.Statement.genCountSQL(bean)
+	} else {
+		sqlStr = session.Statement.RawSQL
+		args = session.Statement.RawParams
+	}
+
+	session.queryPreprocess(&sqlStr, args...)
+
+	var err error
+	var total int64
+	if session.IsAutoCommit {
+		err = session.DB().QueryRow(sqlStr, args...).Scan(&total)
+	} else {
+		err = session.Tx.QueryRow(sqlStr, args...).Scan(&total)
+	}
+
+	if err == sql.ErrNoRows || err == nil {
+		return total, nil
+	}
+
+	return 0, err
+}
+
+// Sum call sum some column. bean's non-empty fields are conditions.
+func (session *Session) Sum(bean interface{}, columnName string) (float64, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	var sqlStr string
+	var args []interface{}
+	if len(session.Statement.RawSQL) == 0 {
+		sqlStr, args = session.Statement.genSumSQL(bean, columnName)
+	} else {
+		sqlStr = session.Statement.RawSQL
+		args = session.Statement.RawParams
+	}
+
+	session.queryPreprocess(&sqlStr, args...)
+
+	var err error
+	var res float64
+	if session.IsAutoCommit {
+		err = session.DB().QueryRow(sqlStr, args...).Scan(&res)
+	} else {
+		err = session.Tx.QueryRow(sqlStr, args...).Scan(&res)
+	}
+
+	if err == sql.ErrNoRows || err == nil {
+		return res, nil
+	}
+	return 0, err
+}
+
+// Sums call sum some columns. bean's non-empty fields are conditions.
+func (session *Session) Sums(bean interface{}, columnNames ...string) ([]float64, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	var sqlStr string
+	var args []interface{}
+	if len(session.Statement.RawSQL) == 0 {
+		sqlStr, args = session.Statement.genSumSQL(bean, columnNames...)
+	} else {
+		sqlStr = session.Statement.RawSQL
+		args = session.Statement.RawParams
+	}
+
+	session.queryPreprocess(&sqlStr, args...)
+
+	var err error
+	var res = make([]float64, len(columnNames), len(columnNames))
+	if session.IsAutoCommit {
+		err = session.DB().QueryRow(sqlStr, args...).ScanSlice(&res)
+	} else {
+		err = session.Tx.QueryRow(sqlStr, args...).ScanSlice(&res)
+	}
+
+	if err == sql.ErrNoRows || err == nil {
+		return res, nil
+	}
+	return nil, err
+}
+
+// SumsInt sum specify columns and return as []int64 instead of []float64
+func (session *Session) SumsInt(bean interface{}, columnNames ...string) ([]int64, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	var sqlStr string
+	var args []interface{}
+	if len(session.Statement.RawSQL) == 0 {
+		sqlStr, args = session.Statement.genSumSQL(bean, columnNames...)
+	} else {
+		sqlStr = session.Statement.RawSQL
+		args = session.Statement.RawParams
+	}
+
+	session.queryPreprocess(&sqlStr, args...)
+
+	var err error
+	var res = make([]int64, 0, len(columnNames))
+	if session.IsAutoCommit {
+		err = session.DB().QueryRow(sqlStr, args...).ScanSlice(&res)
+	} else {
+		err = session.Tx.QueryRow(sqlStr, args...).ScanSlice(&res)
+	}
+
+	if err == sql.ErrNoRows || err == nil {
+		return res, nil
+	}
+	return nil, err
+}

vendor/github.com/go-xorm/xorm/session_tx.go

@@ -0,0 +1,83 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+// Begin a transaction
+func (session *Session) Begin() error {
+	if session.IsAutoCommit {
+		tx, err := session.DB().Begin()
+		if err != nil {
+			return err
+		}
+		session.IsAutoCommit = false
+		session.IsCommitedOrRollbacked = false
+		session.Tx = tx
+		session.saveLastSQL("BEGIN TRANSACTION")
+	}
+	return nil
+}
+
+// Rollback When using transaction, you can rollback if any error
+func (session *Session) Rollback() error {
+	if !session.IsAutoCommit && !session.IsCommitedOrRollbacked {
+		session.saveLastSQL(session.Engine.dialect.RollBackStr())
+		session.IsCommitedOrRollbacked = true
+		return session.Tx.Rollback()
+	}
+	return nil
+}
+
+// Commit When using transaction, Commit will commit all operations.
+func (session *Session) Commit() error {
+	if !session.IsAutoCommit && !session.IsCommitedOrRollbacked {
+		session.saveLastSQL("COMMIT")
+		session.IsCommitedOrRollbacked = true
+		var err error
+		if err = session.Tx.Commit(); err == nil {
+			// handle processors after tx committed
+
+			closureCallFunc := func(closuresPtr *[]func(interface{}), bean interface{}) {
+
+				if closuresPtr != nil {
+					for _, closure := range *closuresPtr {
+						closure(bean)
+					}
+				}
+			}
+
+			for bean, closuresPtr := range session.afterInsertBeans {
+				closureCallFunc(closuresPtr, bean)
+
+				if processor, ok := interface{}(bean).(AfterInsertProcessor); ok {
+					processor.AfterInsert()
+				}
+			}
+			for bean, closuresPtr := range session.afterUpdateBeans {
+				closureCallFunc(closuresPtr, bean)
+
+				if processor, ok := interface{}(bean).(AfterUpdateProcessor); ok {
+					processor.AfterUpdate()
+				}
+			}
+			for bean, closuresPtr := range session.afterDeleteBeans {
+				closureCallFunc(closuresPtr, bean)
+
+				if processor, ok := interface{}(bean).(AfterDeleteProcessor); ok {
+					processor.AfterDelete()
+				}
+			}
+			cleanUpFunc := func(slices *map[interface{}]*[]func(interface{})) {
+				if len(*slices) > 0 {
+					*slices = make(map[interface{}]*[]func(interface{}), 0)
+				}
+			}
+			cleanUpFunc(&session.afterInsertBeans)
+			cleanUpFunc(&session.afterUpdateBeans)
+			cleanUpFunc(&session.afterDeleteBeans)
+		}
+		return err
+	}
+	return nil
+}

vendor/github.com/go-xorm/xorm/session_update.go

@@ -0,0 +1,345 @@
+// Copyright 2016 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+
+	"github.com/go-xorm/builder"
+	"github.com/go-xorm/core"
+)
+
+func (session *Session) cacheUpdate(sqlStr string, args ...interface{}) error {
+	if session.Statement.RefTable == nil ||
+		session.Tx != nil {
+		return ErrCacheFailed
+	}
+
+	oldhead, newsql := session.Statement.convertUpdateSQL(sqlStr)
+	if newsql == "" {
+		return ErrCacheFailed
+	}
+	for _, filter := range session.Engine.dialect.Filters() {
+		newsql = filter.Do(newsql, session.Engine.dialect, session.Statement.RefTable)
+	}
+	session.Engine.logger.Debug("[cacheUpdate] new sql", oldhead, newsql)
+
+	var nStart int
+	if len(args) > 0 {
+		if strings.Index(sqlStr, "?") > -1 {
+			nStart = strings.Count(oldhead, "?")
+		} else {
+			// only for pq, TODO: if any other databse?
+			nStart = strings.Count(oldhead, "$")
+		}
+	}
+	table := session.Statement.RefTable
+	cacher := session.Engine.getCacher2(table)
+	tableName := session.Statement.TableName()
+	session.Engine.logger.Debug("[cacheUpdate] get cache sql", newsql, args[nStart:])
+	ids, err := core.GetCacheSql(cacher, tableName, newsql, args[nStart:])
+	if err != nil {
+		rows, err := session.DB().Query(newsql, args[nStart:]...)
+		if err != nil {
+			return err
+		}
+		defer rows.Close()
+
+		ids = make([]core.PK, 0)
+		for rows.Next() {
+			var res = make([]string, len(table.PrimaryKeys))
+			err = rows.ScanSlice(&res)
+			if err != nil {
+				return err
+			}
+			var pk core.PK = make([]interface{}, len(table.PrimaryKeys))
+			for i, col := range table.PKColumns() {
+				if col.SQLType.IsNumeric() {
+					n, err := strconv.ParseInt(res[i], 10, 64)
+					if err != nil {
+						return err
+					}
+					pk[i] = n
+				} else if col.SQLType.IsText() {
+					pk[i] = res[i]
+				} else {
+					return errors.New("not supported")
+				}
+			}
+
+			ids = append(ids, pk)
+		}
+		session.Engine.logger.Debug("[cacheUpdate] find updated id", ids)
+	} /*else {
+	    session.Engine.LogDebug("[xorm:cacheUpdate] del cached sql:", tableName, newsql, args)
+	    cacher.DelIds(tableName, genSqlKey(newsql, args))
+	}*/
+
+	for _, id := range ids {
+		sid, err := id.ToString()
+		if err != nil {
+			return err
+		}
+		if bean := cacher.GetBean(tableName, sid); bean != nil {
+			sqls := splitNNoCase(sqlStr, "where", 2)
+			if len(sqls) == 0 || len(sqls) > 2 {
+				return ErrCacheFailed
+			}
+
+			sqls = splitNNoCase(sqls[0], "set", 2)
+			if len(sqls) != 2 {
+				return ErrCacheFailed
+			}
+			kvs := strings.Split(strings.TrimSpace(sqls[1]), ",")
+			for idx, kv := range kvs {
+				sps := strings.SplitN(kv, "=", 2)
+				sps2 := strings.Split(sps[0], ".")
+				colName := sps2[len(sps2)-1]
+				if strings.Contains(colName, "`") {
+					colName = strings.TrimSpace(strings.Replace(colName, "`", "", -1))
+				} else if strings.Contains(colName, session.Engine.QuoteStr()) {
+					colName = strings.TrimSpace(strings.Replace(colName, session.Engine.QuoteStr(), "", -1))
+				} else {
+					session.Engine.logger.Debug("[cacheUpdate] cannot find column", tableName, colName)
+					return ErrCacheFailed
+				}
+
+				if col := table.GetColumn(colName); col != nil {
+					fieldValue, err := col.ValueOf(bean)
+					if err != nil {
+						session.Engine.logger.Error(err)
+					} else {
+						session.Engine.logger.Debug("[cacheUpdate] set bean field", bean, colName, fieldValue.Interface())
+						if col.IsVersion && session.Statement.checkVersion {
+							fieldValue.SetInt(fieldValue.Int() + 1)
+						} else {
+							fieldValue.Set(reflect.ValueOf(args[idx]))
+						}
+					}
+				} else {
+					session.Engine.logger.Errorf("[cacheUpdate] ERROR: column %v is not table %v's",
+						colName, table.Name)
+				}
+			}
+
+			session.Engine.logger.Debug("[cacheUpdate] update cache", tableName, id, bean)
+			cacher.PutBean(tableName, sid, bean)
+		}
+	}
+	session.Engine.logger.Debug("[cacheUpdate] clear cached table sql:", tableName)
+	cacher.ClearIds(tableName)
+	return nil
+}
+
+// Update records, bean's non-empty fields are updated contents,
+// condiBean' non-empty filds are conditions
+// CAUTION:
+//        1.bool will defaultly be updated content nor conditions
+//         You should call UseBool if you have bool to use.
+//        2.float32 & float64 may be not inexact as conditions
+func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int64, error) {
+	defer session.resetStatement()
+	if session.IsAutoClose {
+		defer session.Close()
+	}
+
+	v := rValue(bean)
+	t := v.Type()
+
+	var colNames []string
+	var args []interface{}
+
+	// handle before update processors
+	for _, closure := range session.beforeClosures {
+		closure(bean)
+	}
+	cleanupProcessorsClosures(&session.beforeClosures) // cleanup after used
+	if processor, ok := interface{}(bean).(BeforeUpdateProcessor); ok {
+		processor.BeforeUpdate()
+	}
+	// --
+
+	var err error
+	var isMap = t.Kind() == reflect.Map
+	var isStruct = t.Kind() == reflect.Struct
+	if isStruct {
+		session.Statement.setRefValue(v)
+
+		if len(session.Statement.TableName()) <= 0 {
+			return 0, ErrTableNotFound
+		}
+
+		if session.Statement.ColumnStr == "" {
+			colNames, args = buildUpdates(session.Engine, session.Statement.RefTable, bean, false, false,
+				false, false, session.Statement.allUseBool, session.Statement.useAllCols,
+				session.Statement.mustColumnMap, session.Statement.nullableMap,
+				session.Statement.columnMap, true, session.Statement.unscoped)
+		} else {
+			colNames, args, err = genCols(session.Statement.RefTable, session, bean, true, true)
+			if err != nil {
+				return 0, err
+			}
+		}
+	} else if isMap {
+		colNames = make([]string, 0)
+		args = make([]interface{}, 0)
+		bValue := reflect.Indirect(reflect.ValueOf(bean))
+
+		for _, v := range bValue.MapKeys() {
+			colNames = append(colNames, session.Engine.Quote(v.String())+" = ?")
+			args = append(args, bValue.MapIndex(v).Interface())
+		}
+	} else {
+		return 0, ErrParamsType
+	}
+
+	table := session.Statement.RefTable
+
+	if session.Statement.UseAutoTime && table != nil && table.Updated != "" {
+		colNames = append(colNames, session.Engine.Quote(table.Updated)+" = ?")
+		col := table.UpdatedColumn()
+		val, t := session.Engine.NowTime2(col.SQLType.Name)
+		args = append(args, val)
+
+		var colName = col.Name
+		if isStruct {
+			session.afterClosures = append(session.afterClosures, func(bean interface{}) {
+				col := table.GetColumn(colName)
+				setColumnTime(bean, col, t)
+			})
+		}
+	}
+
+	//for update action to like "column = column + ?"
+	incColumns := session.Statement.getInc()
+	for _, v := range incColumns {
+		colNames = append(colNames, session.Engine.Quote(v.colName)+" = "+session.Engine.Quote(v.colName)+" + ?")
+		args = append(args, v.arg)
+	}
+	//for update action to like "column = column - ?"
+	decColumns := session.Statement.getDec()
+	for _, v := range decColumns {
+		colNames = append(colNames, session.Engine.Quote(v.colName)+" = "+session.Engine.Quote(v.colName)+" - ?")
+		args = append(args, v.arg)
+	}
+	//for update action to like "column = expression"
+	exprColumns := session.Statement.getExpr()
+	for _, v := range exprColumns {
+		colNames = append(colNames, session.Engine.Quote(v.colName)+" = "+v.expr)
+	}
+
+	session.Statement.processIDParam()
+
+	var autoCond builder.Cond
+	if !session.Statement.noAutoCondition && len(condiBean) > 0 {
+		var err error
+		autoCond, err = session.Statement.buildConds(session.Statement.RefTable, condiBean[0], true, true, false, true, false)
+		if err != nil {
+			return 0, err
+		}
+	}
+
+	st := session.Statement
+	defer session.resetStatement()
+
+	var sqlStr string
+	var condArgs []interface{}
+	var condSQL string
+	cond := session.Statement.cond.And(autoCond)
+
+	doIncVer := false
+	var verValue *reflect.Value
+	if table != nil && table.Version != "" && session.Statement.checkVersion {
+		verValue, err = table.VersionColumn().ValueOf(bean)
+		if err != nil {
+			return 0, err
+		}
+
+		cond = cond.And(builder.Eq{session.Engine.Quote(table.Version): verValue.Interface()})
+		condSQL, condArgs, _ = builder.ToSQL(cond)
+
+		if len(condSQL) > 0 {
+			condSQL = "WHERE " + condSQL
+		}
+
+		if st.LimitN > 0 {
+			condSQL = condSQL + fmt.Sprintf(" LIMIT %d", st.LimitN)
+		}
+
+		sqlStr = fmt.Sprintf("UPDATE %v SET %v, %v %v",
+			session.Engine.Quote(session.Statement.TableName()),
+			strings.Join(colNames, ", "),
+			session.Engine.Quote(table.Version)+" = "+session.Engine.Quote(table.Version)+" + 1",
+			condSQL)
+
+		doIncVer = true
+	} else {
+		condSQL, condArgs, _ = builder.ToSQL(cond)
+		if len(condSQL) > 0 {
+			condSQL = "WHERE " + condSQL
+		}
+
+		if st.LimitN > 0 {
+			condSQL = condSQL + fmt.Sprintf(" LIMIT %d", st.LimitN)
+		}
+
+		sqlStr = fmt.Sprintf("UPDATE %v SET %v %v",
+			session.Engine.Quote(session.Statement.TableName()),
+			strings.Join(colNames, ", "),
+			condSQL)
+	}
+
+	res, err := session.exec(sqlStr, append(args, condArgs...)...)
+	if err != nil {
+		return 0, err
+	} else if doIncVer {
+		if verValue != nil && verValue.IsValid() && verValue.CanSet() {
+			verValue.SetInt(verValue.Int() + 1)
+		}
+	}
+
+	if table != nil {
+		if cacher := session.Engine.getCacher2(table); cacher != nil && session.Statement.UseCache {
+			cacher.ClearIds(session.Statement.TableName())
+			cacher.ClearBeans(session.Statement.TableName())
+		}
+	}
+
+	// handle after update processors
+	if session.IsAutoCommit {
+		for _, closure := range session.afterClosures {
+			closure(bean)
+		}
+		if processor, ok := interface{}(bean).(AfterUpdateProcessor); ok {
+			session.Engine.logger.Debug("[event]", session.Statement.TableName(), " has after update processor")
+			processor.AfterUpdate()
+		}
+	} else {
+		lenAfterClosures := len(session.afterClosures)
+		if lenAfterClosures > 0 {
+			if value, has := session.afterUpdateBeans[bean]; has && value != nil {
+				*value = append(*value, session.afterClosures...)
+			} else {
+				afterClosures := make([]func(interface{}), lenAfterClosures)
+				copy(afterClosures, session.afterClosures)
+				// FIXME: if bean is a map type, it will panic because map cannot be as map key
+				session.afterUpdateBeans[bean] = &afterClosures
+			}
+
+		} else {
+			if _, ok := interface{}(bean).(AfterUpdateProcessor); ok {
+				session.afterUpdateBeans[bean] = nil
+			}
+		}
+	}
+	cleanupProcessorsClosures(&session.afterClosures) // cleanup after used
+	// --
+
+	return res.RowsAffected()
+}

vendor/github.com/go-xorm/xorm/sqlite3_dialect.go

@@ -317,7 +317,7 @@ func (db *sqlite3) GetColumns(tableName string) ([]string, map[string]*core.Colu
 		col.DefaultIsEmpty = true
 		for idx, field := range fields {
 			if idx == 0 {
-				col.Name = strings.Trim(field, "`[] ")
+				col.Name = strings.Trim(strings.Trim(field, "`[] "), `"`)
 				continue
 			} else if idx == 1 {
 				col.SQLType = core.SQLType{Name: field, DefaultLength: 0, DefaultLength2: 0}
@@ -406,7 +406,7 @@ func (db *sqlite3) GetIndexes(tableName string) (map[string]*core.Index, error)
 
 		indexName := strings.Trim(sql[nNStart+6:nNEnd], "` []")
 		if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
-			index.Name = indexName[5+len(tableName) : len(indexName)]
+			index.Name = indexName[5+len(tableName):]
 		} else {
 			index.Name = indexName
 		}

vendor/github.com/go-xorm/xorm/statement.go

@@ -75,7 +75,7 @@ type Statement struct {
 	cond            builder.Cond
 }
 
-// Init reset all the statment's fields
+// Init reset all the statement's fields
 func (statement *Statement) Init() {
 	statement.RefTable = nil
 	statement.Start = 0
@@ -147,12 +147,12 @@ func (statement *Statement) SQL(query interface{}, args ...interface{}) *Stateme
 	return statement
 }
 
-// Where add Where statment
+// Where add Where statement
 func (statement *Statement) Where(query interface{}, args ...interface{}) *Statement {
 	return statement.And(query, args...)
 }
 
-// And add Where & and statment
+// And add Where & and statement
 func (statement *Statement) And(query interface{}, args ...interface{}) *Statement {
 	switch query.(type) {
 	case string:
@@ -173,7 +173,7 @@ func (statement *Statement) And(query interface{}, args ...interface{}) *Stateme
 	return statement
 }
 
-// Or add Where & Or statment
+// Or add Where & Or statement
 func (statement *Statement) Or(query interface{}, args ...interface{}) *Statement {
 	switch query.(type) {
 	case string:
@@ -193,7 +193,7 @@ func (statement *Statement) Or(query interface{}, args ...interface{}) *Statemen
 	return statement
 }
 
-// In generate "Where column IN (?) " statment
+// In generate "Where column IN (?) " statement
 func (statement *Statement) In(column string, args ...interface{}) *Statement {
 	if len(args) == 0 {
 		return statement
@@ -204,7 +204,7 @@ func (statement *Statement) In(column string, args ...interface{}) *Statement {
 	return statement
 }
 
-// NotIn generate "Where column NOT IN (?) " statment
+// NotIn generate "Where column NOT IN (?) " statement
 func (statement *Statement) NotIn(column string, args ...interface{}) *Statement {
 	if len(args) == 0 {
 		return statement
@@ -706,14 +706,14 @@ func (statement *Statement) TableName() string {
 	return statement.tableName
 }
 
-// Id generate "where id = ? " statment or for composite key "where key1 = ? and key2 = ?"
+// Id generate "where id = ? " statement or for composite key "where key1 = ? and key2 = ?"
 //
 // Deprecated: use ID instead
 func (statement *Statement) Id(id interface{}) *Statement {
 	return statement.ID(id)
 }
 
-// ID generate "where id = ? " statment or for composite key "where key1 = ? and key2 = ?"
+// ID generate "where id = ? " statement or for composite key "where key1 = ? and key2 = ?"
 func (statement *Statement) ID(id interface{}) *Statement {
 	idValue := reflect.ValueOf(id)
 	idType := reflect.TypeOf(idValue.Interface())
@@ -741,7 +741,7 @@ func (statement *Statement) ID(id interface{}) *Statement {
 	return statement
 }
 
-// Incr Generate  "Update ... Set column = column + arg" statment
+// Incr Generate  "Update ... Set column = column + arg" statement
 func (statement *Statement) Incr(column string, arg ...interface{}) *Statement {
 	k := strings.ToLower(column)
 	if len(arg) > 0 {
@@ -752,7 +752,7 @@ func (statement *Statement) Incr(column string, arg ...interface{}) *Statement {
 	return statement
 }
 
-// Decr Generate  "Update ... Set column = column - arg" statment
+// Decr Generate  "Update ... Set column = column - arg" statement
 func (statement *Statement) Decr(column string, arg ...interface{}) *Statement {
 	k := strings.ToLower(column)
 	if len(arg) > 0 {
@@ -763,24 +763,24 @@ func (statement *Statement) Decr(column string, arg ...interface{}) *Statement {
 	return statement
 }
 
-// SetExpr Generate  "Update ... Set column = {expression}" statment
+// SetExpr Generate  "Update ... Set column = {expression}" statement
 func (statement *Statement) SetExpr(column string, expression string) *Statement {
 	k := strings.ToLower(column)
 	statement.exprColumns[k] = exprParam{column, expression}
 	return statement
 }
 
-// Generate  "Update ... Set column = column + arg" statment
+// Generate  "Update ... Set column = column + arg" statement
 func (statement *Statement) getInc() map[string]incrParam {
 	return statement.incrColumns
 }
 
-// Generate  "Update ... Set column = column - arg" statment
+// Generate  "Update ... Set column = column - arg" statement
 func (statement *Statement) getDec() map[string]decrParam {
 	return statement.decrColumns
 }
 
-// Generate  "Update ... Set column = {expression}" statment
+// Generate  "Update ... Set column = {expression}" statement
 func (statement *Statement) getExpr() map[string]exprParam {
 	return statement.exprColumns
 }
@@ -996,13 +996,14 @@ func (statement *Statement) Unscoped() *Statement {
 }
 
 func (statement *Statement) genColumnStr() string {
-
 	var buf bytes.Buffer
+	if statement.RefTable == nil {
+		return ""
+	}
 
 	columns := statement.RefTable.Columns()
 
 	for _, col := range columns {
-
 		if statement.OmitStr != "" {
 			if _, ok := getFlagForColumn(statement.columnMap, col); ok {
 				continue

vendor/github.com/go-xorm/xorm/types.go

@@ -1,9 +1,9 @@
 package xorm
 
 import (
-    "reflect"
+	"reflect"
 
-    "github.com/go-xorm/core"
+	"github.com/go-xorm/core"
 )
 
 var (

vendor/vendor.json

@@ -129,22 +129,22 @@
 			"revisionTime": "2016-08-02T11:38:42Z"
 		},
 		{
-			"checksumSHA1": "sDRC697KuCbpI+1i2VPhyqgAvjs=",
+			"checksumSHA1": "Fh6Svimt+QyXHbaVxgSV7qwUHL8=",
 			"path": "github.com/go-xorm/builder",
-			"revision": "db75972580de4a7c6c20fff5b16a924c3de3fa12",
-			"revisionTime": "2016-12-14T02:05:24Z"
+			"revision": "9c357861b643b7dd1023551fdf116b8d42030146",
+			"revisionTime": "2017-02-16T03:03:40Z"
 		},
 		{
-			"checksumSHA1": "vP2Tj5DdAFBfh4SdXcbDskxThPg=",
+			"checksumSHA1": "1BBE89UpNp+qVvrF5oKdRLTaBJc=",
 			"path": "github.com/go-xorm/core",
-			"revision": "87aca223378aab7a4bf31ef53f20fde4997ad793",
-			"revisionTime": "2016-12-14T03:05:06Z"
+			"revision": "7daacb215ed03af093a72e0af32a5fe79458613d",
+			"revisionTime": "2017-02-06T15:24:21Z"
 		},
 		{
-			"checksumSHA1": "6XJgg4658uf4V4kQMJyi1fU/3G4=",
+			"checksumSHA1": "BGWfs63vC5cJuxhVRrj+7YJKz7A=",
 			"path": "github.com/go-xorm/xorm",
-			"revision": "3ad0b428ae702d7d3f880c90a7f6d89805fcd2f7",
-			"revisionTime": "2016-12-13T07:42:05Z"
+			"revision": "19f6dfc2e8c069adc624ca56cf8127444159d5c1",
+			"revisionTime": "2017-02-10T01:55:37Z"
 		},
 		{
 			"checksumSHA1": "1ft/4j5MFa7C9dPI9whL03HSUzk=",