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Add support for an application_name parameter, which is displayed in

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pg_stat_activity and recorded in log entries.

Dave Page, reviewed by Andres Freund
This commit is contained in:
Tom Lane
2009-11-28 23:38:08 +00:00
parent cb98f61538
commit 8217cfbd99
16 changed files with 479 additions and 95 deletions
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18
src/backend/utils/error/elog.c
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@ -42,7 +42,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.218 2009/10/17 00:24:50 mha Exp $
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.219 2009/11/28 23:38:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -68,6 +68,7 @@
#include "storage/ipc.h"
#include "storage/proc.h"
#include "tcop/tcopprot.h"
#include "utils/guc.h"
#include "utils/memutils.h"
#include "utils/ps_status.h"
@ -1798,6 +1799,16 @@ log_line_prefix(StringInfo buf, ErrorData *edata)
/* process the option */
switch (Log_line_prefix[i])
{
case 'a':
if (MyProcPort)
{
const char *appname = application_name;
if (appname == NULL || *appname == '\0')
appname = _("[unknown]");
appendStringInfo(buf, "%s", appname);
}
break;
case 'u':
if (MyProcPort)
{
@ -2103,6 +2114,11 @@ write_csvlog(ErrorData *edata)
appendCSVLiteral(&buf, msgbuf.data);
pfree(msgbuf.data);
}
appendStringInfoCharMacro(&buf, ',');
/* application name */
if (application_name)
appendCSVLiteral(&buf, application_name);
appendStringInfoChar(&buf, '\n');