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Add support for CASE operator.

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This commit is contained in:
zer0sub 2019-05-06 12:42:15 +02:00
parent 3367df247c
commit 4f9323ddca
18 changed files with 243 additions and 272 deletions
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30
sqlbuilder/bool_expresion.go
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@ -8,10 +8,10 @@ type BoolExpression interface {
GtEq(rhs Expression) BoolExpression
LtEq(rhs Expression) BoolExpression
And(expression BoolExpression) BoolExpression
Or(expression BoolExpression) BoolExpression
IsTrue() BoolExpression
IsFalse() BoolExpression
AND(expression BoolExpression) BoolExpression
OR(expression BoolExpression) BoolExpression
IS_TRUE() BoolExpression
IS_FALSE() BoolExpression
}
type boolInterfaceImpl struct {
@ -34,18 +34,18 @@ func (b *boolInterfaceImpl) LtEq(rhs Expression) BoolExpression {
return LtEq(b.parent, rhs)
}
func (b *boolInterfaceImpl) And(expression BoolExpression) BoolExpression {
func (b *boolInterfaceImpl) AND(expression BoolExpression) BoolExpression {
return And(b.parent, expression)
}
func (b *boolInterfaceImpl) Or(expression BoolExpression) BoolExpression {
func (b *boolInterfaceImpl) OR(expression BoolExpression) BoolExpression {
return Or(b.parent, expression)
}
func (b *boolInterfaceImpl) IsTrue() BoolExpression {
func (b *boolInterfaceImpl) IS_TRUE() BoolExpression {
return IsTrue(b.parent)
}
func (b *boolInterfaceImpl) IsFalse() BoolExpression {
func (b *boolInterfaceImpl) IS_FALSE() BoolExpression {
return nil
}
@ -106,7 +106,7 @@ func EXISTS(subQuery SelectStatement) BoolExpression {
// Returns a representation of "a=b"
func Eq(lhs, rhs Expression) BoolExpression {
return newBinaryBoolExpression(lhs, rhs, " = ")
return newBinaryBoolExpression(lhs, rhs, "=")
}
// Returns a representation of "a=b", where b is a literal
@ -166,24 +166,24 @@ func GteL(lhs Expression, val interface{}) BoolExpression {
// Returns a representation of "not expr"
func Not(expr BoolExpression) BoolExpression {
return newPrefixBoolExpression(expr, " NOT")
return newPrefixBoolExpression(expr, "NOT")
}
func IsTrue(expr BoolExpression) BoolExpression {
return newPrefixBoolExpression(expr, " IS TRUE")
return newPrefixBoolExpression(expr, "IS TRUE")
}
func And(lhs, rhs Expression) BoolExpression {
return newBinaryBoolExpression(lhs, rhs, " AND ")
return newBinaryBoolExpression(lhs, rhs, "AND")
}
// Returns a representation of "c[0] OR ... OR c[n-1]" for c in clauses
func Or(lhs, rhs Expression) BoolExpression {
return newBinaryBoolExpression(lhs, rhs, " OR ")
return newBinaryBoolExpression(lhs, rhs, "OR")
}
func Like(lhs, rhs Expression) BoolExpression {
return newBinaryBoolExpression(lhs, rhs, " LIKE ")
return newBinaryBoolExpression(lhs, rhs, "LIKE")
}
func LikeL(lhs Expression, val string) BoolExpression {
@ -191,7 +191,7 @@ func LikeL(lhs Expression, val string) BoolExpression {
}
func Regexp(lhs, rhs Expression) BoolExpression {
return newBinaryBoolExpression(lhs, rhs, " REGEXP ")
return newBinaryBoolExpression(lhs, rhs, "REGEXP")
}
func RegexpL(lhs Expression, val string) BoolExpression {