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Show PIDs of lock holders and waiters in log_lock_waits log message.

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Christian Kruse, reviewed by Kumar Rajeev Rastogi.
This commit is contained in:
Fujii Masao
2014-03-13 03:26:47 +09:00
parent a0b4c355c2
commit 588fb50715
4 changed files with 122 additions and 5 deletions
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22
src/backend/utils/error/elog.c
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@@ -937,6 +937,28 @@ errdetail_log(const char *fmt,...)
return 0; /* return value does not matter */
}
/*
* errdetail_log_plural --- add a detail_log error message text to the current error
* with support for pluralization of the message text
*/
int
errdetail_log_plural(const char *fmt_singular, const char *fmt_plural,
unsigned long n,...)
{
ErrorData *edata = &errordata[errordata_stack_depth];
MemoryContext oldcontext;
recursion_depth++;
CHECK_STACK_DEPTH();
oldcontext = MemoryContextSwitchTo(edata->assoc_context);
EVALUATE_MESSAGE_PLURAL(edata->domain, detail_log, false);
MemoryContextSwitchTo(oldcontext);
recursion_depth--;
return 0; /* return value does not matter */
}
/*
* errdetail_plural --- add a detail error message text to the current error,