LvYanquan created FLINK-36566:
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Summary: Code optimization: always identify DataChangeEvent before
SchemaChangeEvent in Operator
Key: FLINK-36566
URL: https://issues.apache.org/jira/browse/FLINK-36566
Project: Flink
Issue Type: Improvement
Components: Flink CDC
Affects Versions: cdc-3.3.0
Reporter: LvYanquan
Fix For: cdc-3.3.0
In a data flow system, the number of DataChangeEvents is always much larger
than that of SchemaChangeEvents. If we always identify DataChangeEvents first
(such as using an `instance of` judgment), it can reduce a lot of judgment
logic and improve the performance.
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