[pgpool-committers: 8640] pgpool: Add volatile modifier to a variable used in the query cache mod

Tatsuo Ishii ishii at sraoss.co.jp
Sat May 21 18:01:04 JST 2022


Add volatile modifier to a variable used in the query cache module.

"sts" variable used in pool_fetch_memory_cache() did not have volatile
modifier although it is used in PG_TRY() block. If an exception arises
the value set to variable will be lost in the PG_CATCH block. The bad
effect of this will not be triggered unless error occurs and I think
the bad effect has rarely been observed in the wild (as for as I know,
I have never heard such a report). Anyway, bug is bug.

Branch
------
V4_1_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=c34af57704a59227b6e585a459b0798c41d2656f

Modified Files
--------------
src/query_cache/pool_memqcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)



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