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| -rw-r--r-- | src/backend/utils/hash/dynahash.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/backend/utils/hash/dynahash.c b/src/backend/utils/hash/dynahash.c index 8040416a13c..5d9c62b652a 100644 --- a/src/backend/utils/hash/dynahash.c +++ b/src/backend/utils/hash/dynahash.c @@ -1395,6 +1395,11 @@ hash_seq_init(HASH_SEQ_STATUS *status, HTAB *hashp) /* * Same as above but scan by the given hash value. * See also hash_seq_search(). + * + * NOTE: the default hash function doesn't match syscache hash function. + * Thus, if you're going to use this function in syscache callback, make sure + * you're using custom hash function. See relatt_cache_syshash() + * for example. */ void hash_seq_init_with_hash_value(HASH_SEQ_STATUS *status, HTAB *hashp, |