8000 Commits · sunznx/tidb · GitHub

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Commits

Commits on Aug 5, 2022

planner: fix the wrong join reorder produced by some right ouer join (#36936)
winoros
authored

Commits on Jul 14, 2022

planner: use SEMI_JOIN_REWRITE hint to rewrite the semi join (#35325)
winoros
authored

Commits on Jun 22, 2022

planner, executor: add some comments about how we decide sample rate (#34140)
winoros
authored

Commits on May 19, 2022

planner: use variable to control outer join reorder for fallback (#34825)
winoros
authored
executor, statistics: drop the samples whose length is too long (#32536)
winoros
authored

Commits on May 13, 2022

planner: strengthen the cases the join reorder can apply (#34603)
winoros
authored

Commits on Apr 29, 2022

planner: fix missed `OtherConditions` in funcdep maintenance (#34304)
winoros
authored

Commits on Apr 27, 2022

planner: let apply be paralleled though there's order property can be used (#34238)
winoros
authored

Commits on Apr 20, 2022

planner: using the funcdep to check the only_full_group_by (#33567)
winoros
authored

Commits on Mar 24, 2022

planner: outer merge join cannot keep the prop of its inner child (#33359)
winoros
authored

Commits on Mar 17, 2022

planner: add the functional dependency for Datasource, proj, select, agg (#33071)
winoros
authored

Commits on Mar 15, 2022

planner: add the basic functions of the functional dependency (#33043)
winoros
authored

Commits on Mar 14, 2022

planner: add FastIntSet for functional dependency maintaince (#33021)
winoros
authored

Commits on Feb 23, 2022

planner: don't decorrelate the APPLY when the inner's projection reference no column (#32370)
winoros
authored

Commits on Jan 5, 2022

executor, session: update stats delta for LOAD DATA command (#31146)
winoros
authored

Commits on Dec 28, 2021

executor: enhance the strategy of the sampling rate calculation (#31016)
winoros
authored

Commits on Dec 15, 2021

sessionctx: fix the value of analyze_version when upgrading 4.x to 5.… (#30743)
winoros
authored

Commits on Nov 9, 2021

statistics: pseudo table should not contain the hidden columns (#29584)
winoros
authored

Commits on Nov 1, 2021

executor: also use approximate count from pd to decide the sample rate (#29230)
winoros
authored

Commits on Oct 28, 2021

statistics: introduce bernoulli sampling method (#28999)
winoros
authored

Commits on Oct 25, 2021

parser: add new analyze option `SAMPLERATE` (#28961)
winoros
authored

Commits on Oct 9, 2021

[parser] parser: add grammar `show stats_topn` (#1109)

winoros
authored and
ti-chi-bot
committed
[parser] ast: add `CachedNames` for Prepared (#575)

winoros
authored and
ti-chi-bot
committed
[parser] ast: fix the behavior of window function (#236)

winoros
authored and
ti-chi-bot
committed

Commits on Aug 17, 2021

statistics: some refactoring about stats collector (#26583)
winoros
authored

Commits on Jul 26, 2021

planner: the UNION's merge type should exclude the pure NULL (#26561)
winoros
authored

Commits on Jun 18, 2021

planner: fix the panic that the index's range length may exceed its original column count (#25267)
winoros
authored

Commits on Jun 5, 2021

*: use full sampling as default analyze (#25132)
winoros
authored

Commits on Jun 4, 2021

statistics: support indexes containing virtual column for full sampling (#24999)
winoros
authored

Commits on Jun 3, 2021

Commits on Jun 2, 2021

statistics: relax the check of the OutOfRange (#24958)
winoros
authored

Commits on May 26, 2021

statistics: fix the unexpected estimation error on full sampling (#24623)
winoros
authored

Commits on May 13, 2021

ranger: fix the case which could have duplicate ranges (#24590)
winoros
authored

Commits on May 2, 2021

stats, executor: use a correct sampling to collect stats (#23997)
winoros
authored

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