branch-4.1: [fix](streaming-job) propagate ALTER source/target properties to runtime and persistence #62553#62985
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yiguolei merged 1 commit intobranch-4.1from May 1, 2026
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…ime and persistence (#62553) ### What problem does this PR solve? ALTER JOB on a non-TVF streaming CDC job could silently fail in two ways: 1. **Persistence**: `replayOnUpdated` didn't sync `sourceProperties` / `targetProperties`, so the values were lost after FE checkpoint/restart or on follower FE. 2. **Runtime**: `JdbcSourceOffsetProvider` held an independent copy of `sourceProperties` seeded at init time. ALTER on credentials (password, driver_url, etc.) never reached the provider's BE RPCs — the job would keep trying the old credentials. ### Fix 1. `replayOnUpdated` now copies `sourceProperties` / `targetProperties` from the replay job. 2. Job caches a `convertedSourceProperties` (transient) that's refreshed on ALTER; all provider and task entry points (`fetchMeta` / `cleanup` / `createStreamingMultiTblTask`) push it to the provider via a new `ensureInitialized` override.
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yiguolei
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May 1, 2026
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Cherry-picked from #62553