suyue created IOTDB-152:
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Summary: Reduce RPC communication for retrieving data types in
queries
Key: IOTDB-152
URL: https://issues.apache.org/jira/browse/IOTDB-152
Project: Apache IoTDB
Issue Type: Improvement
Reporter: suyue
When executing the query statement, after sending the executeStatement request
to the server to return the execResp, the client send several TSFetchMetadata
requests to the server for fetching data types of the query columns. So we can
return dataTypes in executeStatement request to avoid the following
fetchmetaData requests.
Thank Rui Lei for discovering this problem.
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