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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-21 05:05:26 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-21 05:05:26 +0000 |
| commit | e75d99818dd3940be997520e64db8c9e3b207e39 (patch) | |
| tree | 0003ca0de74fcc8d18433e34ea68d2e7aaf06b7c /src/backend/executor/nodeMemoize.c | |
| parent | Releasing progress-linux version 15.6-0+deb12u1~progress6.99u1. (diff) | |
| download | postgresql-15-e75d99818dd3940be997520e64db8c9e3b207e39.tar.xz postgresql-15-e75d99818dd3940be997520e64db8c9e3b207e39.zip | |
Merging upstream version 15.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/backend/executor/nodeMemoize.c')
| -rw-r--r-- | src/backend/executor/nodeMemoize.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/backend/executor/nodeMemoize.c b/src/backend/executor/nodeMemoize.c index 892bda4..64c7a0a 100644 --- a/src/backend/executor/nodeMemoize.c +++ b/src/backend/executor/nodeMemoize.c @@ -13,7 +13,7 @@ * Memoize nodes are intended to sit above parameterized nodes in the plan * tree in order to cache results from them. The intention here is that a * repeat scan with a parameter value that has already been seen by the node - * can fetch tuples from the cache rather than having to re-scan the outer + * can fetch tuples from the cache rather than having to re-scan the inner * node all over again. The query planner may choose to make use of one of * these when it thinks rescans for previously seen values are likely enough * to warrant adding the additional node. @@ -207,7 +207,6 @@ MemoizeHash_hash(struct memoize_hash *tb, const MemoizeKey *key) } } - ResetExprContext(econtext); MemoryContextSwitchTo(oldcontext); return murmurhash32(hashkey); } @@ -265,7 +264,6 @@ MemoizeHash_equal(struct memoize_hash *tb, const MemoizeKey *key1, } } - ResetExprContext(econtext); MemoryContextSwitchTo(oldcontext); return match; } @@ -273,7 +271,7 @@ MemoizeHash_equal(struct memoize_hash *tb, const MemoizeKey *key1, { econtext->ecxt_innertuple = tslot; econtext->ecxt_outertuple = pslot; - return ExecQualAndReset(mstate->cache_eq_expr, econtext); + return ExecQual(mstate->cache_eq_expr, econtext); } } @@ -694,9 +692,18 @@ static TupleTableSlot * ExecMemoize(PlanState *pstate) { MemoizeState *node = castNode(MemoizeState, pstate); + ExprContext *econtext = node->ss.ps.ps_ExprContext; PlanState *outerNode; TupleTableSlot *slot; + CHECK_FOR_INTERRUPTS(); + + /* + * Reset per-tuple memory context to free any expression evaluation + * storage allocated in the previous tuple cycle. + */ + ResetExprContext(econtext); + switch (node->mstatus) { case MEMO_CACHE_LOOKUP: |