CreateQuery mv_to_join (children 3)
 Identifier mv_to_join
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 2)
     Function concat (alias key) (children 1)
      ExpressionList (children 3)
       Identifier id
       Literal \'_\'
       Identifier color
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier main
 ViewTargets
