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MCOL-5522 Properly process pm join result count.

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This patch:
1. Properly processes situation when pm join result count is exceeded.
2. Adds session variable 'columnstore_max_pm_join_result_count` to control the limit.
This commit is contained in:
Denis Khalikov
2023-07-20 15:48:29 +03:00
committed by Leonid Fedorov
parent 9f15a0a9ac
commit 5f07828619
17 changed files with 195 additions and 102 deletions
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1
dbcon/joblist/batchprimitiveprocessor-jl.cpp
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@@ -1105,6 +1105,7 @@ void BatchPrimitiveProcessorJL::createBPP(ByteStream& bs) const
/* if HAS_JOINER, send the init params */
if (flags & HAS_JOINER)
{
bs << (uint32_t)maxPmJoinResultCount;
if (ot == ROW_GROUP)
{
idbassert(tJoiners.size() > 0);