SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function in (children 1) ExpressionList (children 2) Function toDate (children 1) ExpressionList (children 1) Literal \'2015-06-12\' Function toDate (children 1) ExpressionList (children 1) Literal \'2015-06-12\'