73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
package sqlbuilder
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type TimeExpression interface {
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expression
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EQ(rhs TimeExpression) BoolExpression
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NOT_EQ(rhs TimeExpression) BoolExpression
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IS_DISTINCT_FROM(rhs TimeExpression) BoolExpression
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IS_NOT_DISTINCT_FROM(rhs TimeExpression) BoolExpression
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LT(rhs TimeExpression) BoolExpression
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LT_EQ(rhs TimeExpression) BoolExpression
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GT(rhs TimeExpression) BoolExpression
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GT_EQ(rhs TimeExpression) BoolExpression
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}
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type timeInterfaceImpl struct {
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parent TimeExpression
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}
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func (t *timeInterfaceImpl) EQ(rhs TimeExpression) BoolExpression {
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return EQ(t.parent, rhs)
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}
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func (t *timeInterfaceImpl) NOT_EQ(rhs TimeExpression) BoolExpression {
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return NOT_EQ(t.parent, rhs)
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}
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func (t *timeInterfaceImpl) IS_DISTINCT_FROM(rhs TimeExpression) BoolExpression {
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return IS_DISTINCT_FROM(t.parent, rhs)
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}
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func (t *timeInterfaceImpl) IS_NOT_DISTINCT_FROM(rhs TimeExpression) BoolExpression {
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return IS_NOT_DISTINCT_FROM(t.parent, rhs)
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}
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func (t *timeInterfaceImpl) LT(rhs TimeExpression) BoolExpression {
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return LT(t.parent, rhs)
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}
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func (t *timeInterfaceImpl) LT_EQ(rhs TimeExpression) BoolExpression {
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return LT_EQ(t.parent, rhs)
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}
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func (t *timeInterfaceImpl) GT(rhs TimeExpression) BoolExpression {
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return GT(t.parent, rhs)
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}
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func (t *timeInterfaceImpl) GT_EQ(rhs TimeExpression) BoolExpression {
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return GT_EQ(t.parent, rhs)
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}
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//---------------------------------------------------//
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type prefixTimeExpression struct {
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expressionInterfaceImpl
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timeInterfaceImpl
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prefixOpExpression
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}
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func newPrefixTimeExpression(operator string, expression expression) TimeExpression {
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timeExpr := prefixTimeExpression{}
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timeExpr.prefixOpExpression = newPrefixExpression(expression, operator)
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timeExpr.expressionInterfaceImpl.parent = &timeExpr
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timeExpr.timeInterfaceImpl.parent = &timeExpr
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return &timeExpr
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}
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func INTERVAL(interval string) expression {
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return newPrefixTimeExpression("INTERVAL", Literal(interval))
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}
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