⇢ | A | ColumnFilter::checkBetweenColumnExpressions() added | |
⇢ | A | ColumnFilter::checkCompareColumnExpressions() added | |
⇢ | A | ColumnFilter::checkFilterType() added | |
⇢ | A | ColumnFilter::checkComparisonType() added | |
B | ↗ | A | ColumnFilter::validate() improved |