Sergey Shelukhin created HIVE-4914:
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Summary: filtering via partition name should be done inside
metastore server
Key: HIVE-4914
URL: https://issues.apache.org/jira/browse/HIVE-4914
Project: Hive
Issue Type: Improvement
Components: Metastore
Reporter: Sergey Shelukhin
Currently, if the filter pushdown is impossible (which is most cases), the
client gets all partition names from metastore, filters them, and asks for
partitions by names for the filtered set.
Metastore server code should do that instead; it should check if pushdown is
possible and do it if so; otherwise it should do name-based filtering.
Saves the roundtrip with all partition names from the server to client, and
also removes the need to have pushdown viability checking on both sides.
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