Hi, I refactor the code and fix the git apply warning according to [1].
Here are the new version patches. -- Regards, ChangAo Chen [1] https://www.postgresql.org/message-id/Zrmh7X8jYCbFYXjH%40ip-10-97-1-34.eu-west-3.compute.internal
v3-0002-Add-test-case-snapshot_build-for-test_decoding.patch
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v4-0001-Track-transactions-committed-in-BUILDING_SNAPSHOT.patch
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