[FLINK-35648][runtime] Allow applying multiple route rules for one single source table #3425
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@ruanhang1993 Adjusted this PR and dropped legacy route behavior, PTAL |
...rc/main/java/org/apache/flink/cdc/runtime/operators/schema/coordinator/SchemaDerivation.java
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wuzhenhua01
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Aug 4, 2024
…ngle source table (apache#3425)
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This closes FLINK-35648.
Currently, any upstream table could be routed at most once. If we wrote such a route definition:
Then, schema / data changes from
db.Bwill be sent toterminal.oneonly, not toterminal.twosince it has been handled by the first route rule.This PR added route behavior option (FIRST_MATCH/COMPLETE) to configure if all route rules should be applied or only the first matched rule (for backwards compatibility).After some discussion, now legacy "first match" route behavior is regarded as a mistake, and no configuration is needed now.