SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 4) ExpressionList (children 4) Identifier col1 Identifier col2 Identifier col3 Function count (children 1) ExpressionList TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier test1_00395 ExpressionList (children 3) Identifier col1 Identifier col2 Identifier col3 ExpressionList (children 3) OrderByElement (children 1) Identifier col1 OrderByElement (children 1) Identifier col2 OrderByElement (children 1) Identifier col3