SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function multiIf (children 1)
     ExpressionList (children 5)
      Literal UInt64_1
      Function array (children 1)
       ExpressionList (children 2)
        Identifier col2
        Literal \'bar\'
      Literal UInt64_1
      Literal Array_[\'foo\', \'bar\']
      Function array (children 1)
       ExpressionList (children 2)
        Identifier col6
        Literal \'bar\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier multi_if_check