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Commits on Apr 24, 2019

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

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

  

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Commits on Apr 8, 2019

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

  

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Commits on Apr 4, 2019

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

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

  

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Commits on Mar 30, 2019

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

  

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Commits on Mar 19, 2019

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

  

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Commits on Mar 18, 2019

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

  

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Commits on Mar 14, 2019

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

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Commits on Mar 13, 2019

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

  

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

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Commits on Mar 11, 2019

• planner: correct `ExpectedCnt` for children plans of join (#9497)

  

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Commits on Mar 5, 2019

• planner: convert SemiJoin to InnerJoin in more cases (#9546)

  

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Commits on Mar 4, 2019

• planner: fix false negative "full group by" check for agg in subquery (#9542)

  

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Commits on Feb 28, 2019

• executor: only show valid columns in `stats_histogram` (#9487)

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Commits on Feb 27, 2019

• session: upgrade currentBootstrapVersion to 27 (#9496)

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• statistics: compute and store column order correlation with handle (#9315)

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Commits on Feb 25, 2019

• plan/executor: make semi joins null and empty aware (#9051)

  

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Commits on Feb 13, 2019

• plan: handle DNF expressions in `Selectivity` (#9282)

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Commits on Jan 30, 2019

• plan: derive `col is not null` from `col op col` conditions (#8603)

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Commits on Jan 21, 2019

• planner: check null and empty for `!= any(subq)` and `= all(subq)` (#9106)

  

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Commits on Jan 14, 2019

• executor: reset hasMatch flag for each outer row in merge join (#9046)

  

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• plan/executor: handle optimizer hint properly for cartesian join (#9037)

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Commits on Jan 2, 2019

• expression: handle empty input and improve compatibility for `format` (#8797)

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Commits on Dec 29, 2018

• expression: return null when cast to huge binary type (#8768)

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• session: validate value for global time_zone sys variable (#8876)

  

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Commits on Dec 28, 2018

• plan/cascades: generate logical property for Group (#8833)

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Commits on Dec 27, 2018

• executor/test: fix data race of executor unit tests (#8807)

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Commits on Dec 25, 2018

• planner/core: refactor `deriveStats` for LogicalPlan (#8753)

  

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Commits on Dec 24, 2018

• executor: speedup unit tests by spliting them into separate suites (#8618)

  

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Commits on Dec 11, 2018

• plan: not build dual for AntiSemiJoin when condition is constant false (#8648)

  

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Commits on Dec 10, 2018

• plan: build separate required physical property for children (#8635)

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Commits on Dec 5, 2018

• plan: implementation phase framework of cascades planner (#8449)

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Commits on Nov 29, 2018

• plan: export `MockTable` and `MockContext` to be used in cascades package (#8503)

  

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Commits on Nov 21, 2018

• expression: support JSON return type in `case` expression (#8355)

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