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Commits on Oct 17, 2019

• planner: correct unit test for outer join simplification with cast (pingcap#12782)

  

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  c047835

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• planner: fix constant propagation for AntiSemiJoin (pingcap#12728)

  

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  ae811b9

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Commits on Oct 15, 2019

• planner: handle single partition in IndexJoin correctly (pingcap#12581)

  

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  4a43daa

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Commits on Oct 10, 2019

• planner: reset NotNull flag for schema of Apply and MaxOneRow properly (pingcap#12419)

  

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Commits on Sep 30, 2019

• *: replace cost model factor constants with system variable (pingcap#12367)

  

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  1a9fcb9

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Commits on Sep 24, 2019

• planner, executor: push limit down into IndexLookUpReader executor (pingcap#12262)

  

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Commits on Sep 11, 2019

• planner: improve row count estimation of IndexJoin's inner scan (pingcap#12085)

  

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Commits on Sep 10, 2019

• planner: introduce cascades adapter model and implement handle range scan (pingcap#11566)

  

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Commits on Sep 6, 2019

• planner: extract basePhysicalJoin for several physical joins (pingcap#12029)

  

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Commits on Aug 20, 2019

• expression: fix wrong result of Not/IsTrue/IsFalse functions (pingcap#10498)

  

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Commits on Aug 16, 2019

• planner: increase default concurrency factor of cost computing (pingcap#11752)

  

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  2009741

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Commits on Aug 9, 2019

• planner: use HistColl containing all columns for row width estimation (pingcap#11689)

  

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Commits on Aug 8, 2019

• planner: implement projection and table dual in cascades (pingcap#11664)

  

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  f74b9e9

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Commits on Aug 7, 2019

• *: refactor cost model formulas and constants (pingcap#10581)

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Commits on Jul 15, 2019

• planner: disable projection elimination for select plan of update (pingcap#10962)

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• *: improve column size calculation of statistics (pingcap#11091)

  

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Commits on Jul 11, 2019

• planner: support subquery in SHOW statement (pingcap#10942)

  

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Commits on Jun 12, 2019

• planner: fix wrong selectivity for inner selection in index join (pingcap#10633)

  

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Commits on Jun 4, 2019

• planner: use max correlation in heuristic row count estimation (pingcap#10537)

  

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  fc1da0d

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Commits on May 23, 2019

• statistics: support dump/load correlation of histogram (pingcap#10573)

  

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  183648f

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Commits on May 15, 2019

• cmd/importer: support probability in building incremental column (pingcap#10454)

  

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Commits on May 9, 2019

• planner: tidy up PhysicalApply struct and related methods (pingcap#10394)

  

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  3190ad9

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Commits on May 6, 2019

• executor: split unit tests to speedup execution time (pingcap#10364)

  

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Commits on Apr 30, 2019

• expression: check timezone when encoding timestamp datum (pingcap#10303)

  

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  e8d9a3f

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Commits on Apr 24, 2019

• ranger: choose more prefix columns when building ranges (pingcap#10053)

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• plan: improve row count estimation using column order correlation (pingcap#9839)

  

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Commits on Apr 8, 2019

• executor: close RecordSet to avoid leak test failure (pingcap#10063)

  

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Commits on Apr 4, 2019

• plan: push down constant filters over join properly (pingcap#9848)

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• planner: correct estimated row count for inner plan of index join (pingcap#10015)

  

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Commits on Mar 30, 2019

• *: improve NULL count estimation for single column index (pingcap#9474)

  

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  2e14068

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Commits on Mar 19, 2019

• planner: improve row count estimation for index range containing correlated columns (pingcap#9738)

  

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Commits on Mar 18, 2019

• table: replace logger with zap logger (pingcap#9514)

  

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Commits on Mar 14, 2019

• statistics: set correlation when loading needed column histogram (pingcap#9701)

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Commits on Mar 13, 2019

• planner: tiny refactor for building table scan (pingcap#9694)

  

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  b37d952

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• statistics: stabilize sort order when computing correlation (pingcap#9696)

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  47c7841

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