Re: Any reason not to return row_count in cursor of plpgsql?
От | Andrew Gierth |
---|---|
Тема | Re: Any reason not to return row_count in cursor of plpgsql? |
Дата | |
Msg-id | 87hc1efzri.fsf@news-spur.riddles.org.uk обсуждение исходный текст |
Ответ на | Re: Any reason not to return row_count in cursor of plpgsql? (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Any reason not to return row_count in cursor of
plpgsql?
|
Список | pgsql-hackers |
>>>>> "Tom" == Tom Lane <tgl@sss.pgh.pa.us> writes: > Andrew Gierth <andrew@tao11.riddles.org.uk> writes:>> GET DIAGNOSTICS ROW_COUNT is documented as working for all commands;>>if it doesn't work for MOVE (and FETCH), that's a bug. Tom> Or a documentation problem. I don't see any claim that it works forTom> "all commands" anyway. "This command allows retrieval of system status indicators. Each item is a key word identifying a state value to be assigned to the specified variable (which should be of the right data type to receive it). The currently available status items are ROW_COUNT, the number of rows processed by the last SQL command sent down to the SQL engine, and RESULT_OID, the OID of the last row inserted by the most recent SQL command. Note that RESULT_OID is only useful after an INSERT command into a table containing OIDs." The idea that fetch/move should _intentionally_ not set ROW_COUNT is beyond ludicrous. -- Andrew.
В списке pgsql-hackers по дате отправления: