115 lines
3.7 KiB
Go
115 lines
3.7 KiB
Go
package jet
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// BoolExpression interface
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type BoolExpression interface {
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Expression
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// Check if this expression is equal to rhs
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EQ(rhs BoolExpression) BoolExpression
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// Check if this expression is not equal to rhs
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NOT_EQ(rhs BoolExpression) BoolExpression
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// Check if this expression is distinct to rhs
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IS_DISTINCT_FROM(rhs BoolExpression) BoolExpression
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// Check if this expression is not distinct to rhs
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IS_NOT_DISTINCT_FROM(rhs BoolExpression) BoolExpression
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// Check if this expression is true
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IS_TRUE() BoolExpression
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// Check if this expression is not true
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IS_NOT_TRUE() BoolExpression
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// Check if this expression is false
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IS_FALSE() BoolExpression
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// Check if this expression is not false
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IS_NOT_FALSE() BoolExpression
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// Check if this expression is unknown
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IS_UNKNOWN() BoolExpression
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// Check if this expression is not unknown
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IS_NOT_UNKNOWN() BoolExpression
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// expression AND operator rhs
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AND(rhs BoolExpression) BoolExpression
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// expression OR operator rhs
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OR(rhs BoolExpression) BoolExpression
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}
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type boolInterfaceImpl struct {
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parent BoolExpression
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}
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func (b *boolInterfaceImpl) EQ(expression BoolExpression) BoolExpression {
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return Eq(b.parent, expression)
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}
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func (b *boolInterfaceImpl) NOT_EQ(expression BoolExpression) BoolExpression {
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return NotEq(b.parent, expression)
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}
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func (b *boolInterfaceImpl) IS_DISTINCT_FROM(rhs BoolExpression) BoolExpression {
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return IsDistinctFrom(b.parent, rhs)
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}
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func (b *boolInterfaceImpl) IS_NOT_DISTINCT_FROM(rhs BoolExpression) BoolExpression {
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return IsNotDistinctFrom(b.parent, rhs)
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}
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func (b *boolInterfaceImpl) AND(expression BoolExpression) BoolExpression {
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return newBinaryBoolOperatorExpression(b.parent, expression, "AND")
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}
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func (b *boolInterfaceImpl) OR(expression BoolExpression) BoolExpression {
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return newBinaryBoolOperatorExpression(b.parent, expression, "OR")
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}
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func (b *boolInterfaceImpl) IS_TRUE() BoolExpression {
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return newPostfixBoolOperatorExpression(b.parent, "IS TRUE")
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}
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func (b *boolInterfaceImpl) IS_NOT_TRUE() BoolExpression {
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return newPostfixBoolOperatorExpression(b.parent, "IS NOT TRUE")
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}
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func (b *boolInterfaceImpl) IS_FALSE() BoolExpression {
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return newPostfixBoolOperatorExpression(b.parent, "IS FALSE")
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}
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func (b *boolInterfaceImpl) IS_NOT_FALSE() BoolExpression {
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return newPostfixBoolOperatorExpression(b.parent, "IS NOT FALSE")
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}
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func (b *boolInterfaceImpl) IS_UNKNOWN() BoolExpression {
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return newPostfixBoolOperatorExpression(b.parent, "IS UNKNOWN")
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}
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func (b *boolInterfaceImpl) IS_NOT_UNKNOWN() BoolExpression {
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return newPostfixBoolOperatorExpression(b.parent, "IS NOT UNKNOWN")
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}
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func newBinaryBoolOperatorExpression(lhs, rhs Expression, operator string, additionalParams ...Expression) BoolExpression {
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return BoolExp(NewBinaryOperatorExpression(lhs, rhs, operator, additionalParams...))
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}
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func newPrefixBoolOperatorExpression(expression Expression, operator string) BoolExpression {
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return BoolExp(newPrefixOperatorExpression(expression, operator))
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}
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func newPostfixBoolOperatorExpression(expression Expression, operator string) BoolExpression {
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return BoolExp(newPostfixOperatorExpression(expression, operator))
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}
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type boolExpressionWrapper struct {
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boolInterfaceImpl
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Expression
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}
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func newBoolExpressionWrap(expression Expression) BoolExpression {
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boolExpressionWrap := boolExpressionWrapper{Expression: expression}
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boolExpressionWrap.boolInterfaceImpl.parent = &boolExpressionWrap
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return &boolExpressionWrap
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}
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// BoolExp is bool expression wrapper around arbitrary expression.
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// Allows go compiler to see any expression as bool expression.
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// Does not add sql cast to generated sql builder output.
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func BoolExp(expression Expression) BoolExpression {
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return newBoolExpressionWrap(expression)
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}
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