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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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1
dbcon/mysql/ha_mcs_execplan.cpp
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@ -6642,6 +6642,7 @@ void setExecutionParams(gp_walk_info& gwi, SCSEP& csep)
csep->djsPartitionSize(get_diskjoin_bucketsize(gwi.thd) * 1024ULL * 1024);
csep->djsMaxPartitionTreeDepth(get_diskjoin_max_partition_tree_depth(gwi.thd));
csep->djsForceRun(get_diskjoin_force_run(gwi.thd));
csep->maxPmJoinResultCount(get_max_pm_join_result_count(gwi.thd));
if (get_um_mem_limit(gwi.thd) == 0)
csep->umMemLimit(numeric_limits<int64_t>::max());
else