SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier col1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test1_00395
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function multiIf (children 1)
      ExpressionList (children 5)
       Literal UInt64_27
       Literal UInt64_1
       Function multiIf (children 1)
        ExpressionList (children 5)
         Function materialize (children 1)
          ExpressionList (children 1)
           Literal UInt64_1
         Function toLowCardinality (children 1)
          ExpressionList (children 1)
           Literal UInt64_2
         Literal UInt64_3
         Literal UInt64_1
         Literal UInt64_4
       Literal NULL
       Literal UInt64_4
