executor: fix a bug of 'insert on duplicate update' statement on partitioned table

[tiancaiamao]

What problem does this PR solve?

create table t2 (a int,b int,primary key(a,b)) partition by hash(a) partitions 4;
create table t1 (a int,b int,primary key(a,b)) partition by range(a) (partition p0 values less than (100),partition p1 values less than (1000));
insert into t1 set a=1,b=1;
insert into t2 set a=1,b=1;
insert into t1 set a=1,b=1 on duplicate key update a=1,b=1;
(1105, u'can not be duplicated row, due to old row not found. handle 1 not found')
insert into t2 set a=1,b=1 on duplicate key update a=1,b=1;
(1105, u'can not be duplicated row, due to old row not found. handle 1 not found')

In this statement:

insert into t1 set a=1,b=1 on duplicate key update a=1,b=1

Batch checker find a=1,b=1 is duplicated, then in the "on duplicate update" step,
it uses the non-partitioned table to get the old row, which is a bug.
getOldRow returns this error: (1105, u'can not be duplicated row, due to old row not found. handle 1 not found')

What is changed and how it works?

Use the partitioned table to getOldRow

Check List

Tests

• Unit test

Related changes

• Need to cherry-pick to the release branch

[tiancaiamao]

PTAL @crazycs520 @jackysp

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@2ea24e0). Click here to learn what that means.
The diff coverage is 100%.

@@             Coverage Diff             @@
##             master     #11204   +/-   ##
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  Coverage          ?   81.2743%           
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  Files             ?        423           
  Lines             ?      90005           
  Branches          ?          0           
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  Hits              ?      73151           
  Misses            ?      11557           
  Partials          ?       5297

[codecov]

Codecov Report

Merging #11204 into master will increase coverage by 0.0164%.
The diff coverage is 100%.

@@               Coverage Diff                @@
##             master     #11204        +/-   ##
================================================
+ Coverage   81.2468%   81.2632%   +0.0164%     
================================================
  Files           423        423                
  Lines         90198      90005       -193     
================================================
- Hits          73283      73141       -142     
+ Misses        11612      11563        -49     
+ Partials       5303       5301         -2

[tiancaiamao]

/run-all-tests

[jackysp]

LGTM

[crazycs520]

LGTM

[tiancaiamao]

/run-all-tests