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Diffstat (limited to 'src/backend/executor/nodeMemoize.c')
| -rw-r--r-- | src/backend/executor/nodeMemoize.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/backend/executor/nodeMemoize.c b/src/backend/executor/nodeMemoize.c index f7be4fc31f7..d2bceb97c3a 100644 --- a/src/backend/executor/nodeMemoize.c +++ b/src/backend/executor/nodeMemoize.c @@ -446,9 +446,13 @@ cache_reduce_memory(MemoizeState *mstate, MemoizeKey *specialkey) */ entry = memoize_lookup(mstate->hashtable, NULL); - /* A good spot to check for corruption of the table and LRU list. */ - Assert(entry != NULL); - Assert(entry->key == key); + /* + * Sanity check that we found the entry belonging to the LRU list + * item. A misbehaving hash or equality function could cause the + * entry not to be found or the wrong entry to be found. + */ + if (unlikely(entry == NULL || entry->key != key)) + elog(ERROR, "could not find memoization table entry"); /* * If we're being called to free memory while the cache is being |