Explain EXPLAIN PIPELINE (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 6)
    ExpressionList (children 2)
     Identifier date
     Identifier i
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier t_read_in_order
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier date
      Literal \'2020-10-11\'
    ExpressionList (children 1)
     OrderByElement (children 1)
      Identifier i
    Literal UInt64_5
    Set
