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| author | Andres Freund <andres@anarazel.de> | 2018-02-15 21:55:31 -0800 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2018-02-15 21:55:31 -0800 |
| commit | 773aec7aa98abd38d6d9435913bb8e14e392c274 (patch) | |
| tree | 149ffe4c29433a85e84e128eb47aa22f3b388853 /src/backend/executor/nodeRecursiveunion.c | |
| parent | 51db0d18fbf58b0c2e5ebc2b5b2c48daf45c8d93 (diff) | |
| download | postgresql-773aec7aa98abd38d6d9435913bb8e14e392c274.tar.gz postgresql-773aec7aa98abd38d6d9435913bb8e14e392c274.zip | |
Do execGrouping.c via expression eval machinery.
This has a performance benefit on own, although not hugely so. The
primary benefit is that it will allow for to JIT tuple deforming and
comparator invocations.
Author: Andres Freund
Discussion: https://postgr.es/m/20171129080934.amqqkke2zjtekd4t@alap3.anarazel.de
Diffstat (limited to 'src/backend/executor/nodeRecursiveunion.c')
| -rw-r--r-- | src/backend/executor/nodeRecursiveunion.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/executor/nodeRecursiveunion.c b/src/backend/executor/nodeRecursiveunion.c index 817749855fc..c070338fdb7 100644 --- a/src/backend/executor/nodeRecursiveunion.c +++ b/src/backend/executor/nodeRecursiveunion.c @@ -32,11 +32,14 @@ static void build_hash_table(RecursiveUnionState *rustate) { RecursiveUnion *node = (RecursiveUnion *) rustate->ps.plan; + TupleDesc desc = ExecGetResultType(outerPlanState(rustate)); Assert(node->numCols > 0); Assert(node->numGroups > 0); - rustate->hashtable = BuildTupleHashTable(node->numCols, + rustate->hashtable = BuildTupleHashTable(&rustate->ps, + desc, + node->numCols, node->dupColIdx, rustate->eqfunctions, rustate->hashfunctions, |