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README.md

SQL builder

CircleCI codecov

Package builder is a lightweight and fast SQL builder for Go and XORM.

Make sure you have installed Go 1.1+ and then:

go get github.com/go-xorm/builder

Insert

sql, args, err := Insert(Eq{"c": 1, "d": 2}).Into("table1").ToSQL()

Select

sql, args, err := Select("c, d").From("table1").Where(Eq{"a": 1}).ToSQL()

sql, args, err = Select("c, d").From("table1").LeftJoin("table2", Eq{"table1.id": 1}.And(Lt{"table2.id": 3})).
		RightJoin("table3", "table2.id = table3.tid").Where(Eq{"a": 1}).ToSQL()

Update

sql, args, err := Update(Eq{"a": 2}).From("table1").Where(Eq{"a": 1}).ToSQL()

Delete

sql, args, err := Delete(Eq{"a": 1}).From("table1").ToSQL()

Conditions

  • Eq is a redefine of a map, you can give one or more conditions to Eq
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(Eq{"a":1})
// a=? [1]
sql, args, _ := ToSQL(Eq{"b":"c"}.And(Eq{"c": 0}))
// b=? AND c=? ["c", 0]
sql, args, _ := ToSQL(Eq{"b":"c", "c":0})
// b=? AND c=? ["c", 0]
sql, args, _ := ToSQL(Eq{"b":"c"}.Or(Eq{"b":"d"}))
// b=? OR b=? ["c", "d"]
sql, args, _ := ToSQL(Eq{"b": []string{"c", "d"}})
// b IN (?,?) ["c", "d"]
sql, args, _ := ToSQL(Eq{"b": 1, "c":[]int{2, 3}})
// b=? AND c IN (?,?) [1, 2, 3]
  • Neq is the same to Eq
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(Neq{"a":1})
// a<>? [1]
sql, args, _ := ToSQL(Neq{"b":"c"}.And(Neq{"c": 0}))
// b<>? AND c<>? ["c", 0]
sql, args, _ := ToSQL(Neq{"b":"c", "c":0})
// b<>? AND c<>? ["c", 0]
sql, args, _ := ToSQL(Neq{"b":"c"}.Or(Neq{"b":"d"}))
// b<>? OR b<>? ["c", "d"]
sql, args, _ := ToSQL(Neq{"b": []string{"c", "d"}})
// b NOT IN (?,?) ["c", "d"]
sql, args, _ := ToSQL(Neq{"b": 1, "c":[]int{2, 3}})
// b<>? AND c NOT IN (?,?) [1, 2, 3]
  • Gt, Gte, Lt, Lte
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(Gt{"a", 1}.And(Gte{"b", 2}))
// a>? AND b>=? [1, 2]
sql, args, _ := ToSQL(Lt{"a", 1}.Or(Lte{"b", 2}))
// a<? OR b<=? [1, 2]
  • Like
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(Like{"a", "c"})
// a LIKE ? [%c%]
  • Expr you can customerize your sql with Expr
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(Expr("a = ? ", 1))
// a = ? [1]
sql, args, _ := ToSQL(Eq{"a": Expr("select id from table where c = ?", 1)})
// a=(select id from table where c = ?) [1]
  • In and NotIn
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(In("a", 1, 2, 3))
// a IN (?,?,?) [1,2,3]
sql, args, _ := ToSQL(In("a", []int{1, 2, 3}))
// a IN (?,?,?) [1,2,3]
sql, args, _ := ToSQL(In("a", Expr("select id from b where c = ?", 1))))
// a IN (select id from b where c = ?) [1]
  • IsNull and NotNull
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(IsNull{"a"})
// a IS NULL []
sql, args, _ := ToSQL(NotNull{"b"})
	// b IS NOT NULL []
  • And(conds ...Cond), And can connect one or more condtions via And
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(And(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
// a=? AND b LIKE ? AND d<>? [1, %c%, 2]
  • Or(conds ...Cond), Or can connect one or more conditions via Or
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(Or(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
// a=? OR b LIKE ? OR d<>? [1, %c%, 2]
sql, args, _ := ToSQL(Or(Eq{"a":1}, And(Like{"b", "c"}, Neq{"d", 2})))
// a=? OR (b LIKE ? AND d<>?) [1, %c%, 2]
  • Between
import . "github.com/go-xorm/builder"

sql, args, _ := ToSQL(Between{"a", 1, 2})
// a BETWEEN 1 AND 2
  • Define yourself conditions

Since Cond is an interface.

type Cond interface {
	WriteTo(Writer) error
	And(...Cond) Cond
	Or(...Cond) Cond
	IsValid() bool
}

You can define yourself conditions and compose with other Cond.