pg_stat_statements: Fix incorrect comment with entry resets

Oversight in 6b4d23f.

Author: Japin Li, Richard Guo
Discussion: https://postgr.es/m/MEYP282MB1669FC91C764E277821936D3B624A@MEYP282MB1669.AUSP282.PROD.OUTLOOK.COM
Backpatch-through: 14

diff --git a/contrib/pg_stat_statements/pg_stat_statements.c b/contrib/pg_stat_statements/pg_stat_statements.c
index 74dd35924e1d7824a7d5b7acc16995b5dd9821b1..d2bf6fc4d2590802afe038d862d3f2de86e0a725 100644 (file)
--- a/contrib/pg_stat_statements/pg_stat_statements.c
+++ b/contrib/pg_stat_statements/pg_stat_statements.c
@@ -2524,10 +2524,8 @@ entry_reset(Oid userid, Oid dbid, uint64 queryid)
                if (entry)                              /* found */
                        num_remove++;
 
-               /* Also remove entries for top level statements */
+               /* Also remove the top-level entry if it exists. */
                key.toplevel = true;
-
-               /* Remove the key if exists */
                entry = (pgssEntry *) hash_search(pgss_hash, &key, HASH_REMOVE, NULL);
                if (entry)                              /* found */
                        num_remove++;