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bug: 执行外连接的查询过于耗时, tianmu需要执行十四分钟, innodb执行外连接仅需要执行一分钟
A-bug
Something isn't working
B-performance
prio: high
High priority
feature: Improve insert into select performance
A-feature
feature with good idea
B-performance
B-SQL
SQL layer
bug: ERROR 1105 (HY000): Parallel worker run failed.
A-bug
Something isn't working
B-performance
B-SQL
SQL layer
feature: TPCH(10G) Q22 Query performance optimization
A-feature
feature with good idea
B-performance
B-SQL
SQL layer
feature: TPCH(10G) Q21 Query performance optimization
A-feature
feature with good idea
B-performance
B-SQL
SQL layer
feature: TPCH(10G) Q20 Query performance optimization
A-feature
feature with good idea
B-performance
B-SQL
SQL layer
feature: Improve the query performance of CW SQL4
A-feature
feature with good idea
B-performance
B-SQL
SQL layer
feature: support semi-join in stonedb, include EXISTS and IN subqueries
A-feature
feature with good idea
B-performance
B-SQL
SQL layer
prio: high
High priority
bug: Tianmu column storage engine - performs HashJoin queries - runs out of disk space
A-bug
Something isn't working
B-performance
prio: low
Low priority
feature: Support field function substring optimization
A-feature
feature with good idea
B-performance
B-SQL
SQL layer
C-stonedb-5.7
associated with stonedb 5.7
feature: make aggregation parallel process to reduce execution time
A-feature
feature with good idea
A-improvement
B-performance
prio: high
High priority
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