[GitHub] HyukjinKwon opened a new pull request #23828: [SPARK-26744][SQL][HOTFOX] Disable schema validation tests for FileDataSourceV2 (partially revert SPARK-26744)

[GitBox <gi...@apache.org>]

HyukjinKwon opened a new pull request #23828: [SPARK-26744][SQL][HOTFOX] Disable schema validation tests for FileDataSourceV2 (partially revert SPARK-26744)
URL: https://github.com/apache/spark/pull/23828
 
 
   ## What changes were proposed in this pull request?
   
   This PR partially revert SPARK-26744. 
   
   https://github.com/apache/spark/commit/60caa92deaf6941f58da82dcc0962ebf3a598ced and https://github.com/apache/spark/commit/4dce45a5992e6a89a26b5a0739b33cfeaf979208 were merged at similar time range independently. So the test failures were not caught.
   
   - https://github.com/apache/spark/commit/60caa92deaf6941f58da82dcc0962ebf3a598ced happened to add a schema reading logic in writing path for overwrite mode as well.
   
   - https://github.com/apache/spark/commit/4dce45a5992e6a89a26b5a0739b33cfeaf979208 added some tests with overwrite modes with migrated ORC v2.
   
   And the tests looks starting to fail.
   
   I guess the discussion won't be short (see https://github.com/apache/spark/pull/23606#discussion_r257675083) and this PR proposes to disable the tests added at https://github.com/apache/spark/commit/4dce45a5992e6a89a26b5a0739b33cfeaf979208 to unblock other PRs for now.
   
   ## How was this patch tested?
   
   Existing tests.

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