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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-14 19:16:19 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-14 19:16:19 +0000 |
| commit | 31176cd686f31dcb71392f6583f7b8d9cef63770 (patch) | |
| tree | 27fefbaada5177e179c6cf8806be49dfe613d5f4 /src/backend/utils/adt/int8.c | |
| parent | Adding upstream version 16.2. (diff) | |
| download | postgresql-16-31176cd686f31dcb71392f6583f7b8d9cef63770.tar.xz postgresql-16-31176cd686f31dcb71392f6583f7b8d9cef63770.zip | |
Adding upstream version 16.3.upstream/16.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/backend/utils/adt/int8.c')
| -rw-r--r-- | src/backend/utils/adt/int8.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c index 123b4eb..41fbeec 100644 --- a/src/backend/utils/adt/int8.c +++ b/src/backend/utils/adt/int8.c @@ -833,6 +833,21 @@ int8inc_support(PG_FUNCTION_ARGS) SupportRequestWFuncMonotonic *req = (SupportRequestWFuncMonotonic *) rawreq; MonotonicFunction monotonic = MONOTONICFUNC_NONE; int frameOptions = req->window_clause->frameOptions; + WindowFunc *wfunc = req->window_func; + + if (list_length(wfunc->args) == 1) + { + Node *expr = eval_const_expressions(NULL, linitial(wfunc->args)); + + /* + * Due to the Node representation of WindowClause runConditions in + * version prior to v17, we need to insist that the count arg is + * Const to allow safe application of the runCondition + * optimization. + */ + if (!IsA(expr, Const)) + PG_RETURN_POINTER(NULL); + } /* No ORDER BY clause then all rows are peers */ if (req->window_clause->orderClause == NIL) |