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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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3
dbcon/mysql/ha_mcs_sysvars.h
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@ -114,6 +114,9 @@ void set_diskjoin_force_run(THD* thd, bool value);
ulong get_diskjoin_max_partition_tree_depth(THD* thd);
void set_diskjoin_max_partition_tree_depth(THD* thd, ulong value);
ulong get_max_pm_join_result_count(THD* thd);
void set_max_pm_join_result_count(THD* thd, ulong value);
ulong get_um_mem_limit(THD* thd);
void set_um_mem_limit(THD* thd, ulong value);