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Code review for pgstat_get_crashed_backend_activity patch.

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Avoid possibly dumping core when pgstat_track_activity_query_size has a
less-than-default value; avoid uselessly searching for the query string
of a successfully-exited backend; don't bother putting out an ERRDETAIL if
we don't have a query to show; some other minor stylistic improvements.
This commit is contained in:
Tom Lane
2011-10-21 16:36:04 -04:00
parent 5ac5980744
commit f9c92a5a3e
5 changed files with 66 additions and 47 deletions
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src/include/pgstat.h
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@ -721,7 +721,7 @@ extern void pgstat_report_xact_timestamp(TimestampTz tstamp);
extern void pgstat_report_waiting(bool waiting);
extern const char *pgstat_get_backend_current_activity(int pid, bool checkUser);
extern const char *pgstat_get_crashed_backend_activity(int pid, char *buffer,
int len);
int buflen);
extern PgStat_TableStatus *find_tabstat_entry(Oid rel_id);
extern PgStat_BackendFunctionEntry *find_funcstat_entry(Oid func_id);