Explain EXPLAIN QUERY TREE (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 5)
    ExpressionList (children 3)
     Identifier id
     Identifier category
     Identifier value
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier test_limit_by_all
    ExpressionList (children 3)
     OrderByElement (children 1)
      Identifier id
     OrderByElement (children 1)
      Identifier category
     OrderByElement (children 1)
      Identifier value
    Literal UInt64_1
    ExpressionList (children 1)
     Identifier ALL
