Zhihua Deng created HIVE-27583:
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Summary: Get the meta of query with limit 0 in JDBC storage handler
Key: HIVE-27583
URL: https://issues.apache.org/jira/browse/HIVE-27583
Project: Hive
Issue Type: Improvement
Reporter: Zhihua Deng
Following the discussion on HIVE-27487, In general the JDBC storage handler
adds limit 1 to the query in order to fetch the metadata, say the column names
and its types. This jira is trying to explore if we can add "limit 0" to the
query as we don't care about the records returned, this will reduce the
overhead of executing the query.
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