83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
package jet
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// DateExpression is interface for date types
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type DateExpression interface {
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Expression
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EQ(rhs DateExpression) BoolExpression
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NOT_EQ(rhs DateExpression) BoolExpression
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IS_DISTINCT_FROM(rhs DateExpression) BoolExpression
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IS_NOT_DISTINCT_FROM(rhs DateExpression) BoolExpression
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LT(rhs DateExpression) BoolExpression
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LT_EQ(rhs DateExpression) BoolExpression
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GT(rhs DateExpression) BoolExpression
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GT_EQ(rhs DateExpression) BoolExpression
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ADD(rhs Interval) TimestampExpression
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SUB(rhs Interval) TimestampExpression
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}
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type dateInterfaceImpl struct {
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parent DateExpression
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}
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func (d *dateInterfaceImpl) EQ(rhs DateExpression) BoolExpression {
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return eq(d.parent, rhs)
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}
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func (d *dateInterfaceImpl) NOT_EQ(rhs DateExpression) BoolExpression {
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return notEq(d.parent, rhs)
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}
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func (d *dateInterfaceImpl) IS_DISTINCT_FROM(rhs DateExpression) BoolExpression {
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return isDistinctFrom(d.parent, rhs)
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}
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func (d *dateInterfaceImpl) IS_NOT_DISTINCT_FROM(rhs DateExpression) BoolExpression {
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return isNotDistinctFrom(d.parent, rhs)
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}
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func (d *dateInterfaceImpl) LT(rhs DateExpression) BoolExpression {
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return lt(d.parent, rhs)
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}
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func (d *dateInterfaceImpl) LT_EQ(rhs DateExpression) BoolExpression {
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return ltEq(d.parent, rhs)
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}
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func (d *dateInterfaceImpl) GT(rhs DateExpression) BoolExpression {
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return gt(d.parent, rhs)
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}
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func (d *dateInterfaceImpl) GT_EQ(rhs DateExpression) BoolExpression {
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return gtEq(d.parent, rhs)
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}
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func (d *dateInterfaceImpl) ADD(rhs Interval) TimestampExpression {
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return TimestampExp(newBinaryOperatorExpression(d.parent, rhs, "+"))
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}
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func (d *dateInterfaceImpl) SUB(rhs Interval) TimestampExpression {
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return TimestampExp(newBinaryOperatorExpression(d.parent, rhs, "-"))
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}
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//---------------------------------------------------//
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type dateExpressionWrapper struct {
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dateInterfaceImpl
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Expression
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}
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func newDateExpressionWrap(expression Expression) DateExpression {
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dateExpressionWrap := dateExpressionWrapper{Expression: expression}
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dateExpressionWrap.dateInterfaceImpl.parent = &dateExpressionWrap
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return &dateExpressionWrap
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}
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// DateExp is date expression wrapper around arbitrary expression.
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// Allows go compiler to see any expression as date expression.
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// Does not add sql cast to generated sql builder output.
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func DateExp(expression Expression) DateExpression {
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return newDateExpressionWrap(expression)
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}
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