From a4bebdd92624e018108c2610fc3f2c1584b6c687 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sat, 11 Jun 2011 10:00:28 -0400
Subject: [PATCH] Add C comment mentioning pg_stat_activity.procpid should have
 been called 'pid'.

---
 src/backend/utils/adt/pgstatfuncs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c
index f811245cea0..12dbff4c9a9 100644
--- a/src/backend/utils/adt/pgstatfuncs.c
+++ b/src/backend/utils/adt/pgstatfuncs.c
@@ -509,6 +509,7 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
 		tupdesc = CreateTemplateTupleDesc(12, false);
 		TupleDescInitEntry(tupdesc, (AttrNumber) 1, "datid",
 						   OIDOID, -1, 0);
+		/* This should have been called 'pid';  can't change it. 2011-06-11 */
 		TupleDescInitEntry(tupdesc, (AttrNumber) 2, "procpid",
 						   INT4OID, -1, 0);
 		TupleDescInitEntry(tupdesc, (AttrNumber) 3, "usesysid",
-- 
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