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drainer/: Fix when pk is handle and value overflow int64 #573

Merged
merged 2 commits into from
Apr 30, 2019
Merged

drainer/: Fix when pk is handle and value overflow int64 #573

merged 2 commits into from
Apr 30, 2019

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july2993
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@july2993 july2993 commented Apr 29, 2019 •
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What problem does this PR solve?

Fix when pk is handle and value overflow int64
can fix https://internal.pingcap.net/jira/browse/TOOL-1132

before this pr:

mysql> create table pk(`id` bigint(20) UNSIGNED NOT NULL primary key);
insert into pk(id) values(18446744073709551615);  // this will failed we insert -1 at downstream

note uint64(int64(-1)) = 18446744073709551615

the test added also fix https://internal.pingcap.net/jira/browse/TOOL-1139

What is changed and how it works?

change to uint64 from int64 when the pk column is unsigned

Check List

Tests

  • Integration test

Code changes

Side effects

Related changes

  • Need to cherry-pick to the release branch

@july2993
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/run-all-tests

@IANTHEREAL
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I think the important thing is what's nature the issue implies, Is it that a single Datum object cannot indicate the real type of column data? It seems we must need the help of column type to correctly interpret a column data

suzaku
suzaku reviewed Apr 30, 2019
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csuzhangxc
csuzhangxc reviewed Apr 30, 2019
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LGTM

@suzaku
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suzaku commented Apr 30, 2019

LGTM

IANTHEREAL
IANTHEREAL approved these changes Apr 30, 2019
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LGTM

@july2993 july2993 merged commit 825e88a into master Apr 30, 2019
@july2993 july2993 deleted the hjh/fix_pk_type branch April 30, 2019 07:29
@july2993 july2993 mentioned this pull request Apr 30, 2019
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IANTHEREAL pushed a commit that referenced this pull request May 7, 2019
@WangXiangUSTC @IANTHEREAL
release 3.0 rebase master (#587)
8ff1c75 
* drainer/: Fix when pk is handle and value overflow int64 (#573)

* arbiter: Refactor and add more unit tests (#570)

* More tests for arbiter

* Log os.Hostname error

* drainer: Refactor, eliminate duplicate code by introducing a taskGroup (#572)

* Refactor, eliminate duplicate code by introducing a taskGroup

* Use zap.Stack directly

* binlogctl: refine log output when use help command (#580)

* Minor edits to README (#583)

* drainer: Refactor and add unit tests (#571)

* Add tests for drainer

* Use DeepEquals to simplify map testing

* Just import context

* Use Equals
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@csuzhangxc csuzhangxc csuzhangxc left review comments

@IANTHEREAL IANTHEREAL IANTHEREAL approved these changes

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@july2993 @IANTHEREAL @suzaku @csuzhangxc