Explain EXPLAIN SYNTAX (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 6)
    ExpressionList (children 3)
     Identifier t.id
     Identifier tag
     Function sum (alias s) (children 1)
      ExpressionList (children 1)
       Identifier value
    TablesInSelectQuery (children 3)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier test_limit_by_all (alias t)
     TablesInSelectQueryElement (children 2)
      TableExpression (children 1)
       TableIdentifier test_limit_by_all_tags (alias g)
      TableJoin (children 1)
       ExpressionList (children 1)
        Identifier id
     TablesInSelectQueryElement (children 1)
      ArrayJoin (children 1)
       ExpressionList (children 1)
        Identifier g.tags (alias tag)
    ExpressionList (children 2)
     Identifier t.id
     Identifier tag
    ExpressionList (children 2)
     OrderByElement (children 1)
      Identifier t.id
     OrderByElement (children 1)
      Identifier tag
    Literal UInt64_1
    ExpressionList (children 1)
     Identifier ALL
