SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Literal \'CSV\' (alias format_name)
    Literal \'1,2,"[1,2,3]","[[\\\'abc\\\'], [], [\\\'d\\\', \\\'e\\\']]"\' (alias format_value)
   ExpressionList (children 4)
    Identifier c1
    Identifier c2
    Identifier c3
    Identifier c4
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function format (children 1)
       ExpressionList (children 2)
        Literal \'CSV\'
        Identifier format_value