juliuszsompolski commented on issue #26014: [SPARK-29349] Support FETCH_PRIOR in Thriftserver fetch request URL: https://github.com/apache/spark/pull/26014#issuecomment-538021299 I did not implement it in the various metadata operations. In fact, metadata operations don't work correctly with FETCH_FIRST either right now - in e.g. https://github.com/apache/spark/blob/master/sql/hive-thriftserver/v1.2.1/src/main/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java#L231 the `extractSubset` operation deletes the rows from the start of the subset. Doing `setStartOffset(0)` on `FETCH_FIRST` after that won't work. This bug still exists in Hive master: https://github.com/apache/hive/blob/master/service/src/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java#L264 It can be fixed as a followup.
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