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Add hint for broadcast join. (#818)#950

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hanfei1991 merged 1 commit intopingcap:release-4.0from
hanfei1991:release-4.0
Jul 29, 2020
Merged

Add hint for broadcast join. (#818)#950
hanfei1991 merged 1 commit intopingcap:release-4.0from
hanfei1991:release-4.0

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@hanfei1991
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  • add hint for bc join

  • refine

  • add hint for bc join

  • refine

  • refine

  • refine

  • refine again

  • pass test

  • fix compile error

  • add prefer local

  • use bcj_local

  • change bc_join to broadcast_join

Co-authored-by: xufei xufeixw@mail.ustc.edu.cn
Co-authored-by: ichn-hu zfhu16@fudan.edu.cn

What problem does this PR solve?

What is changed and how it works?

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

Code changes

  • Has exported function/method change
  • Has exported variable/fields change
  • Has interface methods change

Side effects

  • Possible performance regression
  • Increased code complexity
  • Breaking backward compatibility

Related changes

  • Need to cherry-pick to the release branch
  • Need to update the documentation
  • Need to be included in the release note

* add hint for bc join

* refine

* add hint for bc join

* refine

* refine

* refine

* refine again

* pass test

* fix compile error

* add prefer local

* use bcj_local

* change bc_join to broadcast_join

Co-authored-by: xufei <xufeixw@mail.ustc.edu.cn>
Co-authored-by: ichn-hu <zfhu16@fudan.edu.cn>
@hanfei1991 hanfei1991 requested review from kennytm and zz-jason and removed request for zz-jason July 29, 2020 07:14
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codecov bot commented Jul 29, 2020

Codecov Report

Merging #950 into release-4.0 will increase coverage by 0.13%.
The diff coverage is 86.00%.

@@               Coverage Diff               @@
##           release-4.0     #950      +/-   ##
===============================================
+ Coverage        78.25%   78.38%   +0.13%     
===============================================
  Files               40       40              
  Lines            14710    14802      +92     
===============================================
+ Hits             11511    11603      +92     
+ Misses            2519     2515       -4     
- Partials           680      684       +4     

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@kennytm kennytm left a comment

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LGTM

@hanfei1991
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/run-all-tests

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@lzmhhh123 lzmhhh123 left a comment

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LGTM

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@lzmhhh123,Thanks for your review. However, LGTM is restricted to Reviewers or higher roles.See the corresponding SIG page for more information. Related SIGs: ddl(slack).

@kennytm kennytm added the status/LGT1 LGT1 label Jul 29, 2020
@hanfei1991 hanfei1991 merged commit b5a528c into pingcap:release-4.0 Jul 29, 2020
@hanfei1991 hanfei1991 deleted the release-4.0 branch July 29, 2020 09:44
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4 participants