Re: [HACKERS] Re: locking

>
>
>   *Any* answers would be appreciated :
>
>  I'll rephrase the original questions :
>
> pg doesn't have "row-level locking" but has "table locking".
> a result from a SELECT * FROM TESTTABLE; is a table.
> I lock the table (which is result of a SELECT).
>
>  Q : will this locking prevent update of the rows in TESTTABLE that have
> been SELECTed ?
>

While the SELECT is running, no one can update the table.  If the SELECT
is in a transaction, no one can update the table until the transaction
completes.  Other people can read from the table, though.

--
Bruce Momjian
maillist@candle.pha.pa.us