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Strictly type Integer and Real expressions.

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This commit is contained in:
zer0sub 2019-05-31 12:59:57 +02:00
parent 7f5ba98819
commit 2b6288d317
32 changed files with 640 additions and 547 deletions
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18
sqlbuilder/expression.go
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@ -11,11 +11,11 @@ type expression interface {
groupByClause
orderByClause
IS_NULL() boolExpression
IS_NOT_NULL() boolExpression
IS_NULL() BoolExpression
IS_NOT_NULL() BoolExpression
IN(subQuery selectStatement) boolExpression
NOT_IN(subQuery selectStatement) boolExpression
IN(subQuery selectStatement) BoolExpression
NOT_IN(subQuery selectStatement) BoolExpression
AS(alias string) projection
@ -27,19 +27,19 @@ type expressionInterfaceImpl struct {
parent expression
}
func (e *expressionInterfaceImpl) IS_NULL() boolExpression {
func (e *expressionInterfaceImpl) IS_NULL() BoolExpression {
return newPostifxBoolExpression(e.parent, "IS NULL")
}
func (e *expressionInterfaceImpl) IS_NOT_NULL() boolExpression {
func (e *expressionInterfaceImpl) IS_NOT_NULL() BoolExpression {
return newPostifxBoolExpression(e.parent, "IS NOT NULL")
}
func (e *expressionInterfaceImpl) IN(subQuery selectStatement) boolExpression {
func (e *expressionInterfaceImpl) IN(subQuery selectStatement) BoolExpression {
return newBinaryBoolExpression(e.parent, subQuery, "IN")
}
func (e *expressionInterfaceImpl) NOT_IN(subQuery selectStatement) boolExpression {
func (e *expressionInterfaceImpl) NOT_IN(subQuery selectStatement) BoolExpression {
return newBinaryBoolExpression(e.parent, subQuery, "NOT IN")
}
@ -90,7 +90,7 @@ func isSimpleOperand(expression expression) bool {
if _, ok := expression.(column); ok {
return true
}
if _, ok := expression.(*numericFunc); ok {
if _, ok := expression.(*floatFunc); ok {
return true
}