[FLINK-38206][pipeline-connector][paimon] Support writing to existed table with inconsistent schema with upstream. #4081
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…table with inconsistent schema with upstream.
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LGTM, but i find some problem in my test. I cherry-picked this to the 3.3 branch and tested the MySQL to Paimon. I'll try to reproduce this tomorrow and figure out the reason. It might be some mistake in my cherry-pick. |
Mrart
approved these changes
Aug 19, 2025
...-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/v2/PaimonWriterHelper.java
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LGTM |
yuxiqian
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Sep 9, 2025
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Thanks for @lvyanquan's nice work! Just left some non-blocking comments.
...or-paimon/src/test/java/org/apache/flink/cdc/connectors/paimon/sink/v2/PaimonSinkITCase.java
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flink-cdc-common/src/main/java/org/apache/flink/cdc/common/types/utils/DataTypeUtils.java
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...rc/main/java/org/apache/flink/cdc/connectors/paimon/sink/v2/bucket/BucketAssignOperator.java
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...rc/main/java/org/apache/flink/cdc/connectors/paimon/sink/v2/bucket/BucketAssignOperator.java
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For situations where the structure of downstream tables and upstream data tables is inconsistent, the data is transformed based on the downstream schema to avoid possible errors and data correctness issues.