jet/date_expression.go
2019-07-18 17:43:11 +02:00

72 lines
2 KiB
Go

package jet
// DateExpression is interface for all SQL date expressions.
type DateExpression interface {
Expression
EQ(rhs DateExpression) BoolExpression
NOT_EQ(rhs DateExpression) BoolExpression
IS_DISTINCT_FROM(rhs DateExpression) BoolExpression
IS_NOT_DISTINCT_FROM(rhs DateExpression) BoolExpression
LT(rhs DateExpression) BoolExpression
LT_EQ(rhs DateExpression) BoolExpression
GT(rhs DateExpression) BoolExpression
GT_EQ(rhs DateExpression) BoolExpression
}
type dateInterfaceImpl struct {
parent DateExpression
}
func (t *dateInterfaceImpl) EQ(rhs DateExpression) BoolExpression {
return eq(t.parent, rhs)
}
func (t *dateInterfaceImpl) NOT_EQ(rhs DateExpression) BoolExpression {
return notEq(t.parent, rhs)
}
func (t *dateInterfaceImpl) IS_DISTINCT_FROM(rhs DateExpression) BoolExpression {
return isDistinctFrom(t.parent, rhs)
}
func (t *dateInterfaceImpl) IS_NOT_DISTINCT_FROM(rhs DateExpression) BoolExpression {
return isNotDistinctFrom(t.parent, rhs)
}
func (t *dateInterfaceImpl) LT(rhs DateExpression) BoolExpression {
return lt(t.parent, rhs)
}
func (t *dateInterfaceImpl) LT_EQ(rhs DateExpression) BoolExpression {
return ltEq(t.parent, rhs)
}
func (t *dateInterfaceImpl) GT(rhs DateExpression) BoolExpression {
return gt(t.parent, rhs)
}
func (t *dateInterfaceImpl) GT_EQ(rhs DateExpression) BoolExpression {
return gtEq(t.parent, rhs)
}
//---------------------------------------------------//
type dateExpressionWrapper struct {
dateInterfaceImpl
Expression
}
func newDateExpressionWrap(expression Expression) DateExpression {
dateExpressionWrap := dateExpressionWrapper{Expression: expression}
dateExpressionWrap.dateInterfaceImpl.parent = &dateExpressionWrap
return &dateExpressionWrap
}
// DateExp is date expression wrapper around arbitrary expression.
// Allows go compiler to see any expression as date expression.
// Does not add sql cast to generated sql builder output.
func DateExp(expression Expression) DateExpression {
return newDateExpressionWrap(expression)
}