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Only show pg_stat_replication details to superusers

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This commit is contained in:
Magnus Hagander 2011-01-23 17:28:19 +01:00
parent fe12263c9f
commit f88a638199
2 changed files with 17 additions and 3 deletions
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4
doc/src/sgml/monitoring.sgml
View File

@ -299,7 +299,9 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry>One row per WAL sender process, showing process <acronym>ID</>,
user OID, user name, application name, client's address and port number,
time at which the server process began execution, current WAL sender
state and transaction log location.
state and transaction log location. The columns detailing what exactly
the connection is doing are only visible if the user examining the view
is a superuser.
</entry>
</row>

16
src/backend/replication/walsender.c
View File

@ -1141,8 +1141,20 @@ pg_stat_get_wal_senders(PG_FUNCTION_ARGS)
memset(nulls, 0, sizeof(nulls));
values[0] = Int32GetDatum(walsnd->pid);
values[1] = CStringGetTextDatum(WalSndGetStateString(state));
values[2] = CStringGetTextDatum(sent_location);
if (!superuser())
{
/*
* Only superusers can see details. Other users only get
* the pid value to know it's a walsender, but no details.
*/
nulls[1] = true;
nulls[2] = true;
}
else
{
values[1] = CStringGetTextDatum(WalSndGetStateString(state));
values[2] = CStringGetTextDatum(sent_location);
}
tuplestore_putvalues(tupstore, tupdesc, values, nulls);
}