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Added hints about the reason, why the command string in

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the view pg_stat_activity is missing, as per Bruces suggestion.

Jan
This commit is contained in:
Jan Wieck 2004-02-12 01:44:22 +00:00
parent c3c09be34b
commit 1ecd035b31
1 changed files with 10 additions and 6 deletions
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16
src/backend/utils/adt/pgstatfuncs.c
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@ -286,20 +286,24 @@ pg_stat_get_backend_activity(PG_FUNCTION_ARGS)
PgStat_StatBeEntry *beentry;
int32 beid;
int len;
char *activity;
text *result;
beid = PG_GETARG_INT32(0);
if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
PG_RETURN_NULL();
activity = "<backend information not available>";
else if (!superuser() && beentry->userid != GetUserId())
activity = "<insufficient privilege>";
else if (*(beentry->activity) == '\0')
activity = "<command string not enabled>";
else
activity = beentry->activity;
if (!superuser() && beentry->userid != GetUserId())
PG_RETURN_NULL();
len = strlen(beentry->activity);
len = strlen(activity);
result = palloc(VARHDRSZ + len);
VARATT_SIZEP(result) = VARHDRSZ + len;
memcpy(VARDATA(result), beentry->activity, len);
memcpy(VARDATA(result), activity, len);
PG_RETURN_TEXT_P(result);
}