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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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24
dbcon/execplan/calpontselectexecutionplan.h
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@@ -688,6 +688,15 @@ class CalpontSelectExecutionPlan : public CalpontExecutionPlan
return fDJSPartitionSize;
}
void maxPmJoinResultCount(uint32_t value)
{
fMaxPmJoinResultCount = value;
}
uint32_t maxPmJoinResultCount()
{
return fMaxPmJoinResultCount;
}
void umMemLimit(uint64_t l)
{
fUMMemLimit = l;
@@ -917,14 +926,13 @@ class CalpontSelectExecutionPlan : public CalpontExecutionPlan
boost::uuids::uuid fUuid;
/* Disk-based join vars */
uint64_t fDJSSmallSideLimit;
uint64_t fDJSLargeSideLimit;
uint64_t fDJSPartitionSize;
int64_t fUMMemLimit;
bool fIsDML;
long fTimeZone;
uint64_t fDJSSmallSideLimit = 0;
uint64_t fDJSLargeSideLimit = 0;
uint64_t fDJSPartitionSize = 100 * 1024 * 1024;
uint32_t fMaxPmJoinResultCount = 1048576;
int64_t fUMMemLimit = numeric_limits<int64_t>::max();
bool fIsDML = false;
long fTimeZone = 0;
std::vector<execplan::ParseTree*> fDynamicParseTreeVec;
};