HIVE-27644 : Backport of HIVE-17917, HIVE-21457, HIVE-22582 #4686
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…timization (Saurabh Seth via Eugene Koifman) (cherry picked from commit 34331f3) Resolved merge conflict in VectorizedOrcAcidRowBatchReader.java
…chandran reviewed by Gopal V) (cherry picked from commit 72d72d4) Resolved conflicts in AcidUtils.java, CompactorMR.java and OrcInputFormat.java
…ith "delta" , but table is not transactional and BI Split Strategy is used (Aditya Shah reviewed by Laszlo Pinter and Peter Vary) (cherry picked from commit e6ef282)
asf-ci-hive
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sankarh
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Sep 16, 2023
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JIRA link - https://issues.apache.org/jira/browse/HIVE-27644
This ticket backports HIVE-17917, HIVE-21457, HIVE-22582
The reason behind fixing the TestInputOutputFormat test is this :
This PR targets to skip flush length check for external tables. The reason that some of the queries on external tables took more time was because Hive used to check for flush length files which are only present for Acid tables. In the first call when it concludes that it is an external table, it skips checking for side files hence the total number of calls reduces from 3 to 1.