Ling Jin

* TiDB store all timestamp value in UTC * TiCDC convert the timestamp value in UTC to the TiCDC Server's timezone, which is default to `System`. * The downstream consumer...

## Background ## Implement simple encoding protocol * [x] #9899 * [x] #9900 * [x] #9901 * [x] #9902 * [x] #10108 * [x] #10184 * [x] #10107 * [x]...

``` panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x2 addr=0x0 pc=0x10188dfbc] goroutine 2978 [running]: github.com/tikv/pd/client.(*client).ScanRegions(0x14000d0ac60, {0x10671f7f8, 0x14003e4fa90}, {0x14001fab770, 0x24, 0x24}, {0x14001fab7a0, 0x24, 0x24},...

point-get: calcualte the row level checksum on the real time to avoid incorrect checksum caused by schema change

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### What problem does this PR solve? Issue Number: close #52590 Problem Summary: ### What changed and how does it work? ### Check List Tests - [x] Unit test -...

## Backgroud At the moment, we mock the event, both `model.RowChangedEvent` and `model.DDLEvent` by filling fields arbitrarily, which are used in the unit tests, spread over the codebase, it has...

codec(ticdc): add more log to detect simple handle key only case.

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### What problem does this PR solve? Issue Number: close #xxx ### What is changed and how it works? ### Check List #### Tests - Unit test - Integration test...

### Is your feature request related to a problem? #### Background At the moment, we have E2E Checksum functionality, it's implemented based on the column-level checksum, which means TiDB calculates...

processor(ticdc): remove ctx from multiple place in the processor.

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### What problem does this PR solve? Issue Number: close #xxx ### What is changed and how it works? ### Check List #### Tests - Unit test - Integration test...