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Commits on Jun 19, 2023

• planner: enhance projection explain-info when simple column projected again with a new unique-id (pingcap#44520)

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Commits on Jun 12, 2023

• planner: support grouping function/col/expression rewriting and physical plan exhaustion for rollup expand OP (pingcap#44488)

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Commits on Jun 7, 2023

• expression: refactor grouping function computation and update related tipb (pingcap#44436)

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Commits on Jun 5, 2023

• planner: fix join reorder will append remained other condition to an outer join (pingcap#44409)

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• partition: fix index join probe side will locate partition error when it's a table range scan (pingcap#44414)

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• planner: add logical expand operator for rollup (pingcap#44216)

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Commits on May 25, 2023

• expression: modify the grouping function to receive uint64 and add more test about grouping sets nullability (pingcap#44179)

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Commits on May 24, 2023

• expression: add rollup grouping sets util (pingcap#44105)

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Commits on May 6, 2023

• expression: add simple expression semantic equal check logic (pingcap#43558)

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Commits on Apr 26, 2023

• parser: add parser support for rollup syntax (pingcap#43429)

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• planner: fix the col resolution priority between outer scope and nature join folded col (pingcap#43247)

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Commits on Mar 23, 2023

• executor: fix naaj panic caused by wrong field types check (pingcap#42482)

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Commits on Feb 20, 2023

• planner, expression: support multi-distinct agg under MPP mode (pingcap#39973)

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Commits on Feb 9, 2023

• planner: fix can't find proper physical plan caused by virtual column (pingcap#41132)

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Commits on Sep 19, 2022

• planner, executor: implement the null-aware antiSemiJoin and null-aware antiLeftOuterSemiJoin (hash join with inner build) (pingcap#37512)

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Commits on Sep 4, 2022

• planner: fix update plan's projection elimination will cause column resolution error. (pingcap#37582)

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Commits on Aug 24, 2022

• planner: mark the both side operand of NAAJ & refuse partial column substitute in projection elimination of Apply de-correlation (pingcap#37117)

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Commits on Aug 23, 2022

• planner: fix outer join reorder will push down its outer join condition (pingcap#37245)

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Commits on Jul 27, 2022

• planner: correct the redundant field meaning in join full schema when join coalesce (pingcap#36377)

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Commits on Jul 26, 2022

• planner: just pop cte's handleHelper map out since it shouldn't be considered (pingcap#35854)

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Commits on Jul 21, 2022

• ddl: prevent returning zero schema version for alter sequence (pingcap#36277)

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Commits on Jun 17, 2022

• planner: fix cte-schema-clone will clone the old hashcode of its column if any (pingcap#35415)

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Commits on May 16, 2022

• planner: fix prepared statement with window function will check the args in the preparation. (pingcap#34503)

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Commits on May 9, 2022

• planner: introduce Cond-FD to maintain null-constraint FD (pingcap#34147)

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• planner: fix the explain verbose to be NOT case insensitive (pingcap#34471)

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Commits on May 5, 2022

• planner: add functional dependency doc (pingcap#33875)

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Commits on Apr 22, 2022

• ddl: fix the partial-count collection for ddl reorg encountering errors halfway (pingcap#34165)

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Commits on Apr 2, 2022

• planner: fix order by sub-query couldn't find outer correlated columns (pingcap#33640)

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Commits on Mar 25, 2022

• planner: fix the join scope with explicit parents (pingcap#33311)

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Commits on Mar 6, 2022

• planner: fix do-statement will error with agg function (pingcap#31662)

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Commits on Feb 28, 2022

• insert: fix insert into select statement should ignore the error and insert default value (pingcap#31666)

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Commits on Jan 7, 2022

• stats: resolve the constant selectivity when handling DNF exprs (pingcap#31242)

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Commits on Jan 6, 2022

• ddl: make sequence cache-opt mutually exclusive to each other (pingcap#31362)

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Commits on Dec 28, 2021

• schema: sequence should always be the one row (pingcap#30784)

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Commits on Dec 3, 2021

• expression: fix tidb can't alter table from other-type with null value to timestamp with NOT NULL attribute (pingcap#29664)

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