124 lines
3.7 KiB
Go
124 lines
3.7 KiB
Go
package jet
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//FloatExpression is interface for SQL float columns
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type FloatExpression interface {
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Expression
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numericExpression
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EQ(rhs FloatExpression) BoolExpression
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NOT_EQ(rhs FloatExpression) BoolExpression
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IS_DISTINCT_FROM(rhs FloatExpression) BoolExpression
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IS_NOT_DISTINCT_FROM(rhs FloatExpression) BoolExpression
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LT(rhs FloatExpression) BoolExpression
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LT_EQ(rhs FloatExpression) BoolExpression
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GT(rhs FloatExpression) BoolExpression
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GT_EQ(rhs FloatExpression) BoolExpression
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ADD(rhs NumericExpression) FloatExpression
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SUB(rhs NumericExpression) FloatExpression
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MUL(rhs NumericExpression) FloatExpression
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DIV(rhs NumericExpression) FloatExpression
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MOD(rhs NumericExpression) FloatExpression
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POW(rhs NumericExpression) FloatExpression
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}
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type floatInterfaceImpl struct {
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numericExpressionImpl
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parent FloatExpression
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}
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func (n *floatInterfaceImpl) EQ(rhs FloatExpression) BoolExpression {
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return eq(n.parent, rhs)
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}
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func (n *floatInterfaceImpl) NOT_EQ(rhs FloatExpression) BoolExpression {
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return notEq(n.parent, rhs)
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}
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func (n *floatInterfaceImpl) IS_DISTINCT_FROM(rhs FloatExpression) BoolExpression {
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return isDistinctFrom(n.parent, rhs)
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}
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func (n *floatInterfaceImpl) IS_NOT_DISTINCT_FROM(rhs FloatExpression) BoolExpression {
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return isNotDistinctFrom(n.parent, rhs)
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}
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func (n *floatInterfaceImpl) GT(rhs FloatExpression) BoolExpression {
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return gt(n.parent, rhs)
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}
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func (n *floatInterfaceImpl) GT_EQ(rhs FloatExpression) BoolExpression {
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return gtEq(n.parent, rhs)
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}
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func (n *floatInterfaceImpl) LT(expression FloatExpression) BoolExpression {
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return lt(n.parent, expression)
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}
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func (n *floatInterfaceImpl) LT_EQ(expression FloatExpression) BoolExpression {
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return ltEq(n.parent, expression)
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}
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func (n *floatInterfaceImpl) ADD(expression NumericExpression) FloatExpression {
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return newBinaryFloatExpression(n.parent, expression, "+")
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}
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func (n *floatInterfaceImpl) SUB(expression NumericExpression) FloatExpression {
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return newBinaryFloatExpression(n.parent, expression, "-")
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}
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func (n *floatInterfaceImpl) MUL(expression NumericExpression) FloatExpression {
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return newBinaryFloatExpression(n.parent, expression, "*")
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}
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func (n *floatInterfaceImpl) DIV(expression NumericExpression) FloatExpression {
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return newBinaryFloatExpression(n.parent, expression, "/")
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}
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func (n *floatInterfaceImpl) MOD(expression NumericExpression) FloatExpression {
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return newBinaryFloatExpression(n.parent, expression, "%")
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}
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func (n *floatInterfaceImpl) POW(expression NumericExpression) FloatExpression {
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return POWER(n.parent, expression)
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}
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//---------------------------------------------------//
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type binaryFloatExpression struct {
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expressionInterfaceImpl
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floatInterfaceImpl
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binaryOpExpression
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}
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func newBinaryFloatExpression(lhs, rhs Expression, operator string) FloatExpression {
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floatExpression := binaryFloatExpression{}
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floatExpression.binaryOpExpression = newBinaryExpression(lhs, rhs, operator)
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floatExpression.expressionInterfaceImpl.parent = &floatExpression
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floatExpression.floatInterfaceImpl.parent = &floatExpression
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return &floatExpression
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}
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//---------------------------------------------------//
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type floatExpressionWrapper struct {
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floatInterfaceImpl
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Expression
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}
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func newFloatExpressionWrap(expression Expression) FloatExpression {
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floatExpressionWrap := floatExpressionWrapper{Expression: expression}
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floatExpressionWrap.floatInterfaceImpl.parent = &floatExpressionWrap
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return &floatExpressionWrap
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}
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// FloatExp is date expression wrapper around arbitrary expression.
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// Allows go compiler to see any expression as float expression.
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// Does not add sql cast to generated sql builder output.
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func FloatExp(expression Expression) FloatExpression {
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return newFloatExpressionWrap(expression)
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}
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