!3469 修复hashjoin中skew batch失效的问题

Merge pull request !3469 from wanghao19920907/master_fixbug_hash
2023-05-24 01:55:15 +00:00
parent c95d3f22c8 c552bbee17
commit 466bc7fbe8
1 changed files with 1 additions and 0 deletions
--- a/src/gausskernel/runtime/executor/nodeHash.cpp
+++ b/src/gausskernel/runtime/executor/nodeHash.cpp
@ -1798,6 +1798,7 @@ static void ExecHashBuildSkewHash(HashJoinTable hashtable, Hash* node, int mcvsT
            int bucket;

            hashvalue = DatumGetUInt32(FunctionCall1Coll(&hashfunctions[0], hashtable->collations[0], values[i]));
+            hashvalue = murmurhash32(hashvalue);

            /*
             * While we have not hit a hole in the hashtable and have not hit