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MCOL-5522 Properly process pm join result count. (#2909)

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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
2023-08-04 16:55:45 +03:00
committed by GitHub
parent 4f580d109d
commit 896e8dd769
17 changed files with 144 additions and 60 deletions
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4
primitives/primproc/batchprimitiveprocessor.h
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@ -336,7 +336,7 @@ class BatchPrimitiveProcessor
std::shared_ptr<std::shared_ptr<boost::shared_ptr<TJoiner>[]>[]> tJoiners;
typedef std::vector<uint32_t> MatchedData[LOGICAL_BLOCK_RIDS];
std::shared_ptr<MatchedData[]> tSmallSideMatches;
uint32_t executeTupleJoin(uint32_t startRid);
uint32_t executeTupleJoin(uint32_t startRid, rowgroup::RowGroup& largeSideRowGroup);
bool getTupleJoinRowGroupData;
std::vector<rowgroup::RowGroup> smallSideRGs;
rowgroup::RowGroup largeSideRG;
@ -438,7 +438,7 @@ class BatchPrimitiveProcessor
bool initiatedByEM_;
uint32_t weight_;
static const uint64_t maxResultCount = 1048576; // 2^20
uint32_t maxPmJoinResultCount = 1048576;
friend class Command;
friend class ColumnCommand;
friend class DictStep;