zhengxiang378928908-code commented on PR #12787:
URL: https://github.com/apache/seatunnel/pull/12787#issuecomment-6207762062

   @SEZ9 @DanielLeens Both items are pushed in 521c27fd4:
   - `incompatible-changes.md` (en/zh): records the `DECIMAL(20, 0)` → 
`DECIMAL(39, 0)` change, its effect on auto-created tables (MySQL 
`DECIMAL(39,0)`; 38-max sinks such as Oracle and SQL Server clamp to 
`DECIMAL(38,0)` with a warning), Doris to Doris now keeping `LARGEINT` in 
arrays and maps, and a `CAST` workaround. The Spark behavior is left out until 
the policy in #12814 is settled, and I'll add it then.
   - `ARRAY<LARGEINT>` matching: array elements and map keys/values are now 
detected by normalizing the type (case, whitespace, optional display width such 
as `largeint(40)`) instead of an exact string match, with tests for those 
variants.
   


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