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Change local_preload_libraries to PGC_USERSET

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This allows it to be used with ALTER ROLE SET.

Although the old setting of PGC_BACKEND prevented changes after session
start, after discussion it was more useful to allow ALTER ROLE SET
instead and just document that changes during a session have no effect.
This is similar to how session_preload_libraries works already.

An alternative would be to change things to allow PGC_BACKEND and
PGC_SU_BACKEND settings to be changed by ALTER ROLE SET.  But that might
need further research (e.g., log_connections would probably not work).

based on patch by Kyotaro Horiguchi
This commit is contained in:
Peter Eisentraut
2014-12-22 23:05:46 -05:00
parent 2a3f2743f2
commit 584e35d17c
2 changed files with 15 additions and 4 deletions
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2
src/backend/utils/misc/guc.c
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@ -2920,7 +2920,7 @@ static struct config_string ConfigureNamesString[] =
},
{
{"local_preload_libraries", PGC_BACKEND, CLIENT_CONN_PRELOAD,
{"local_preload_libraries", PGC_USERSET, CLIENT_CONN_PRELOAD,
gettext_noop("Lists unprivileged shared libraries to preload into each backend."),
NULL,
GUC_LIST_INPUT | GUC_LIST_QUOTE