SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_map_contains_keys
   Function mapContainsValue (children 1)
    ExpressionList (children 2)
     Identifier ResourceAttributes
     Literal \'session123\'
