119 lines
3.7 KiB
Go
119 lines
3.7 KiB
Go
package jet
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// StringExpression interface
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type StringExpression interface {
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Expression
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EQ(rhs StringExpression) BoolExpression
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NOT_EQ(rhs StringExpression) BoolExpression
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IS_DISTINCT_FROM(rhs StringExpression) BoolExpression
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IS_NOT_DISTINCT_FROM(rhs StringExpression) BoolExpression
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LT(rhs StringExpression) BoolExpression
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LT_EQ(rhs StringExpression) BoolExpression
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GT(rhs StringExpression) BoolExpression
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GT_EQ(rhs StringExpression) BoolExpression
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CONCAT(rhs Expression) StringExpression
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LIKE(pattern StringExpression) BoolExpression
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NOT_LIKE(pattern StringExpression) BoolExpression
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REGEXP_LIKE(pattern StringExpression, caseSensitive ...bool) BoolExpression
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NOT_REGEXP_LIKE(pattern StringExpression, caseSensitive ...bool) BoolExpression
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}
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type stringInterfaceImpl struct {
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parent StringExpression
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}
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func (s *stringInterfaceImpl) EQ(rhs StringExpression) BoolExpression {
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return eq(s.parent, rhs)
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}
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func (s *stringInterfaceImpl) NOT_EQ(rhs StringExpression) BoolExpression {
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return notEq(s.parent, rhs)
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}
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func (s *stringInterfaceImpl) IS_DISTINCT_FROM(rhs StringExpression) BoolExpression {
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return isDistinctFrom(s.parent, rhs)
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}
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func (s *stringInterfaceImpl) IS_NOT_DISTINCT_FROM(rhs StringExpression) BoolExpression {
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return isNotDistinctFrom(s.parent, rhs)
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}
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func (s *stringInterfaceImpl) GT(rhs StringExpression) BoolExpression {
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return gt(s.parent, rhs)
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}
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func (s *stringInterfaceImpl) GT_EQ(rhs StringExpression) BoolExpression {
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return gtEq(s.parent, rhs)
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}
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func (s *stringInterfaceImpl) LT(rhs StringExpression) BoolExpression {
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return lt(s.parent, rhs)
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}
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func (s *stringInterfaceImpl) LT_EQ(rhs StringExpression) BoolExpression {
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return ltEq(s.parent, rhs)
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}
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func (s *stringInterfaceImpl) CONCAT(rhs Expression) StringExpression {
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return newBinaryStringExpression(s.parent, rhs, StringConcatOperator)
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}
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func (s *stringInterfaceImpl) LIKE(pattern StringExpression) BoolExpression {
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return newBinaryBoolOperator(s.parent, pattern, "LIKE")
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}
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func (s *stringInterfaceImpl) NOT_LIKE(pattern StringExpression) BoolExpression {
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return newBinaryBoolOperator(s.parent, pattern, "NOT LIKE")
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}
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func (s *stringInterfaceImpl) REGEXP_LIKE(pattern StringExpression, caseSensitive ...bool) BoolExpression {
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return newBinaryBoolOperator(s.parent, pattern, StringRegexpLikeOperator, Bool(len(caseSensitive) > 0 && caseSensitive[0]))
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}
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func (s *stringInterfaceImpl) NOT_REGEXP_LIKE(pattern StringExpression, caseSensitive ...bool) BoolExpression {
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return newBinaryBoolOperator(s.parent, pattern, StringNotRegexpLikeOperator, Bool(len(caseSensitive) > 0 && caseSensitive[0]))
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}
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//---------------------------------------------------//
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type binaryStringExpression struct {
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expressionInterfaceImpl
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stringInterfaceImpl
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binaryOpExpression
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}
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func newBinaryStringExpression(lhs, rhs Expression, operator string) StringExpression {
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boolExpression := binaryStringExpression{}
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boolExpression.binaryOpExpression = newBinaryExpression(lhs, rhs, operator)
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boolExpression.expressionInterfaceImpl.Parent = &boolExpression
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boolExpression.stringInterfaceImpl.parent = &boolExpression
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return &boolExpression
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}
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//---------------------------------------------------//
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type stringExpressionWrapper struct {
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stringInterfaceImpl
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Expression
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}
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func newStringExpressionWrap(expression Expression) StringExpression {
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stringExpressionWrap := stringExpressionWrapper{Expression: expression}
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stringExpressionWrap.stringInterfaceImpl.parent = &stringExpressionWrap
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return &stringExpressionWrap
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}
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// StringExp is string expression wrapper around arbitrary expression.
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// Allows go compiler to see any expression as string expression.
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// Does not add sql cast to generated sql builder output.
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func StringExp(expression Expression) StringExpression {
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return newStringExpressionWrap(expression)
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}
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