On 2016-03-10 18:55:47 +0000, Robert Haas wrote:
> Provide much better wait information in pg_stat_activity.
>
> When a process is waiting for a heavyweight lock, we will now indicate
> the type of heavyweight lock for which it is waiting. Also, you can
> now see when a process is waiting for a lightweight lock - in which
> case we will indicate the individual lock name or the tranche, as
> appropriate - or for a buffer pin.
My compiler quite validly complains:
/home/andres/src/postgresql/src/backend/storage/lmgr/lmgr.c: In function
‘GetLockNameFromTagType’:
/home/andres/src/postgresql/src/backend/storage/lmgr/lmgr.c:1018:9: warning:
function may return address of local variable [-Wreturn-local-addr]
return locktypename;
^
/home/andres/src/postgresql/src/backend/storage/lmgr/lmgr.c:1007:8: note:
declared here
char tnbuf[32];
^
In file included from
/home/andres/src/postgresql/src/backend/commands/dbcommands.c:20:0:
Andres
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