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parser: disallow subquery without table alias (#19102) #20367

Merged
merged 10 commits into from
Nov 12, 2020
Merged

parser: disallow subquery without table alias (#19102) #20367

merged 10 commits into from
Nov 12, 2020

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ti-srebot
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@ti-srebot ti-srebot commented Oct 9, 2020 •
edited by tangenta
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cherry-pick #19102 to release-4.0

What problem does this PR solve?

Issue Number: close pingcap/parser#963

Parser PR: pingcap/parser#968

What is changed and how it works?

Proposal: xxx

What's Changed:
Add table alias validation in preprocess.go.

Related changes

  • Need to cherry-pick to the release branch

Check List

Tests

  • Unit test
  • Integration test

Side effects
N/A

Release note

  • SQL statements that omit table aliases in subquery will be parsed as the error 1248("Every derived table must have its own alias") instead of a syntax error.

@ti-srebot
cherry pick pingcap#19102 to release-4.0
3327156 
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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/run-all-tests

@ti-srebot ti-srebot mentioned this pull request Oct 9, 2020
Merged
@ti-srebot ti-srebot added this to the v4.0.8 milestone Oct 9, 2020
zz-jason
zz-jason reviewed Oct 9, 2020
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@tangenta please resolve conflicts.

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@ti-srebot, please update your pull request.

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@ti-srebot, please update your pull request.

@bb7133 bb7133 modified the milestones: v4.0.8, v4.0.9 Nov 4, 2020
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@ti-srebot, please update your pull request.

wjhuang2016
wjhuang2016 reviewed Nov 11, 2020
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LGTM

@ti-srebot ti-srebot added the status/LGT1 Indicates that a PR has LGTM 1. label Nov 11, 2020
kennytm
kennytm reviewed Nov 12, 2020
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lgtm

@ti-srebot ti-srebot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Nov 12, 2020
zz-jason
zz-jason approved these changes Nov 12, 2020
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LGTM

@ti-srebot ti-srebot added status/LGT3 The PR has already had 3 LGTM. and removed status/LGT2 Indicates that a PR has LGTM 2. labels Nov 12, 2020
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/merge

@ti-srebot ti-srebot added the status/can-merge Indicates a PR has been approved by a committer. label Nov 12, 2020
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Your auto merge job has been accepted, waiting for:

  • 20712
  • 20907
  • 20954
  • 20921
  • 20829
  • 20696
  • 20632
  • 20406
  • 20343
  • 20814

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/run-all-tests

@ti-srebot ti-srebot merged commit 5304eff into pingcap:release-4.0 Nov 12, 2020
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Reviewers

@kennytm kennytm kennytm left review comments

@wjhuang2016 wjhuang2016 wjhuang2016 left review comments

@zz-jason zz-jason zz-jason approved these changes

@crazycs520 crazycs520 Awaiting requested review from crazycs520

@SunRunAway SunRunAway Awaiting requested review from SunRunAway

@zimulala zimulala Awaiting requested review from zimulala

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@tangenta tangenta

Labels
component/executor component/parser sig/execution SIG execution sig/sql-infra SIG: SQL Infra status/can-merge Indicates a PR has been approved by a committer. status/LGT3 The PR has already had 3 LGTM. type/4.0-cherry-pick
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v4.0.9
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@ti-srebot @zz-jason @kennytm @wjhuang2016 @bb7133 @tangenta