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Commits on Apr 1, 2017

• *: change the way of column estimating. (pingcap#2956)

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• plan: add base phyiscal plan. (pingcap#2975)

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Commits on Mar 31, 2017

• plan: rename the types. (pingcap#2964)

  hanfei1991

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• plan: add task profile. (pingcap#2902)

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Commits on Mar 30, 2017

• plan: optimize explain result (pingcap#2967)

  

  hanfei1991

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  coocood

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Commits on Mar 29, 2017

• statistics: adjust codes. (pingcap#2952)

  hanfei1991

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  e7bb049

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• expression: fix bug about function equal logic. (pingcap#2951)

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• statistics: refactor package. (pingcap#2913)

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Commits on Mar 28, 2017

• plan: enforce property for index join. (pingcap#2938)

  

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  shenli

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Commits on Mar 22, 2017

• stats: if the stats in kv store is invalid, we will replace it with peusdo one. (pingcap#2910)

  

  hanfei1991

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Commits on Mar 21, 2017

• plan: rebuild schema for join after join reordering. (pingcap#2905)

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• plan: fix bug when apply meet limit. (pingcap#2894)

  

  hanfei1991

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  shenli

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Commits on Mar 20, 2017

• vendor: update dag mode pb. (pingcap#2896)

  hanfei1991

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  b76e1fb

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• plan: fix bug when aggregation push across union. (pingcap#2892)

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Commits on Mar 16, 2017

• *: remove stats switch. (pingcap#2846)

  hanfei1991

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• *: add system table mysql.stats_meta (pingcap#2766)

  hanfei1991

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• *: support in subquery unfolding (pingcap#2816)

  

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Commits on Mar 14, 2017

• plan: clean code. (pingcap#2823)

  

  hanfei1991

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  ngaut

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• plan: combine agg_prune and agg_pushdown. (pingcap#2820)

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Commits on Mar 10, 2017

• *: add flag to control agg push down (pingcap#2809)

  

  hanfei1991

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  shenli

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Commits on Mar 9, 2017

• plan: fix bug about column prunning. (pingcap#2796)

  

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• plan: fix column prunning test. (pingcap#2801)

  

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Commits on Mar 8, 2017

• plan: forbid limit to push across selection. (pingcap#2793)

  

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Commits on Feb 28, 2017

• expression: make values function underministic. (pingcap#2753)

  

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  shenli

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Commits on Feb 24, 2017

• plan: decorrelate for aggregation. (pingcap#2682)

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Commits on Feb 21, 2017

• mysql: change the default decimal for datetime. (pingcap#2694)

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• executor: fix bug about topn pushing down. (pingcap#2693)

  

  hanfei1991

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  shenli

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Commits on Feb 20, 2017

• plan: prune cor cols in gby items. (pingcap#2568)

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• util/types: fix bug when truncating string values. (pingcap#2686)

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• util/types: ignore string truncate error. (pingcap#2685)

  

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Commits on Feb 18, 2017

• executor: fix a bug when subquery meet update. (pingcap#2669)

  

  hanfei1991

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• *: fix bug about scalar subquery. (pingcap#2674)

  

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Commits on Feb 17, 2017

• executor: fix bug about left outer join. (pingcap#2672)

  

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• *: add max1row info and refine scalar subquery's decorrelation. (pingcap#2646)

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Commits on Feb 16, 2017

• store/tikv: open switch of topn. (pingcap#2658)

  

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