[Fix](partial-update) Fix partial update fail when the datetime default value is 'current_time' #32926#33209
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xiaokang merged 3 commits intoapache:branch-2.0from Apr 3, 2024
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…des auto increment column (apache#31725) Problem: When partially updating columns without specifying the auto-increment column, and the imported data contains new keys, an error stating the auto-increment column could not be found occurs. Reason: The logic for partial column updates does not account for new keys in auto-increment columns. Since auto-increment columns can be generated by the system, it's possible to omit this column data during import. However, partial column updates treat this as a regular column, expecting it to be nullable or have a default value for automatic filling, overlooking the fact that auto-increment columns can also be auto-filled. This oversight leads to the error. Solution: Incorporate a check for auto-increment columns into the partial column update logic, and include the logic for generating auto-increment column values in the process of completing partial updates.
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TPC-H: Total hot run time: 50370 ms |
TPC-DS: Total hot run time: 201505 ms |
ClickBench: Total hot run time: 30.93 s |
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Load test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G' |
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TeamCity be ut coverage result: |
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Aug 16, 2024
…des auto increment column (apache#31725) (apache#33209)
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Problem:
When partially updating columns without specifying the auto-increment column, and the imported data contains new keys, an error stating the auto-increment column could not be found occurs.
Reason:
The logic for partial column updates does not account for new keys in auto-increment columns. Since auto-increment columns can be generated by the system, it's possible to omit this column data during import. However, partial column updates treat this as a regular column, expecting it to be nullable or have a default value for automatic filling, overlooking the fact that auto-increment columns can also be auto-filled. This oversight leads to the error.
Solution:
Incorporate a check for auto-increment columns into the partial column update logic, and include the logic for generating auto-increment column values in the process of completing partial updates.
Proposed changes
Issue Number: close #xxx
Further comments
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