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Adjust the recent patch for reporting of deadlocked queries so that we report

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query texts only to the server log.  This eliminates the issue of possible
leaking of security-sensitive data in other sessions' queries.  Since the
log is presumed secure, we can now log the queries of all sessions involved
in the deadlock, whether or not they belong to the same user as the one
reporting the failure.
This commit is contained in:
Tom Lane
2008-03-24 18:22:36 +00:00
parent 05fc744b96
commit 9b8e1eb375
3 changed files with 28 additions and 18 deletions
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6
src/backend/postmaster/pgstat.c
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@@ -13,7 +13,7 @@
*
* Copyright (c) 2001-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.170 2008/03/21 21:08:31 tgl Exp $
* $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.171 2008/03/24 18:22:36 tgl Exp $
* ----------
*/
#include "postgres.h"
@@ -2056,7 +2056,7 @@ pgstat_read_current_status(void)
* ----------
*/
const char *
pgstat_get_backend_current_activity(int pid)
pgstat_get_backend_current_activity(int pid, bool checkUser)
{
PgBackendStatus *beentry;
int i;
@@ -2094,7 +2094,7 @@ pgstat_get_backend_current_activity(int pid)
if (found)
{
/* Now it is safe to use the non-volatile pointer */
if (!superuser() && beentry->st_userid != GetUserId())
if (checkUser && !superuser() && beentry->st_userid != GetUserId())
return "<insufficient privilege>";
else if (*(beentry->st_activity) == '\0')
return "<command string not enabled>";