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Posted to commits@hudi.apache.org by "KnightChess (Jira)" <ji...@apache.org> on 2022/09/29 02:42:00 UTC

[jira] [Created] (HUDI-4946) merge into with no preCombineField has dup row in only insert

KnightChess created HUDI-4946:
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             Summary: merge into with no preCombineField has dup row in only insert
                 Key: HUDI-4946
                 URL: https://issues.apache.org/jira/browse/HUDI-4946
             Project: Apache Hudi
          Issue Type: Bug
          Components: spark-sql
            Reporter: KnightChess
            Assignee: KnightChess


a table with precombineField use diff merge into sql has different result.

If merge sql with matchAction will have no dup key result, but when merge sql only has insertAction will have dup result if we not set `hoodie.combine.before.insert=true`.

I think merge into for the same table need has consistent behavior.



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