[GitHub] [spark] jyong-somnambulist commented on pull request #37792: add sparksql wirte mysql support update ,the design from replace into…

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jyong-somnambulist commented on PR #37792:
URL: https://github.com/apache/spark/pull/37792#issuecomment-1236304477

   The modification points are: Spark SQL writing MySQL supports update
   Background and purpose In the current big data scenario, when writing to the MySQL relational database, the redundancy of data needs to be updated according to the primary key or unique key, so this operation is required
   Technical point: use MySQL's replace into syntax for technical transformation


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