SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier map_test_index_map_values
   Function mapContainsValue (children 1)
    ExpressionList (children 2)
     Identifier map
     Literal \'V0\'
   Set
