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https://issues.apache.org/jira/browse/IMPALA-12401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arnab Karmakar resolved IMPALA-12401.
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Resolution: Fixed
> Support more info types for HS2 GetInfo() API
> ---------------------------------------------
>
> Key: IMPALA-12401
> URL: https://issues.apache.org/jira/browse/IMPALA-12401
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Quanlong Huang
> Assignee: Arnab Karmakar
> Priority: Major
> Labels: newbie, ramp-up
>
> Impalad coordinators can act as HiveServer2 since they implement the HS2 APIs.
> Currently, we just support 3 info types for the HS2 GetInfo() API:
> CLI_SERVER_NAME, CLI_DBMS_NAME, CLI_DBMS_VER.
> https://github.com/apache/impala/blob/11a9861ec695fe62b39095940514b28a8c684484/be/src/service/impala-hs2-server.cc#L468-L474
> We can add more to be compatible with Hive, e.g. CLI_MAX_COLUMN_NAME_LEN,
> CLI_MAX_TABLE_NAME_LEN, CLI_MAX_SCHEMA_NAME_LEN, CLI_ODBC_KEYWORDS.
> https://github.com/apache/hive/blob/4903585a34ae44bb3fec4207b5acab63f6bfc8c1/service/src/java/org/apache/hive/service/cli/session/HiveSessionImpl.java#L501-L508
> Note that CLI_ODBC_KEYWORDS is a new type of emun TGetInfoType added in
> HIVE-17765 which is not in our common/thrift/hive-1-api/TCLIService.thrift
> We can add CLI_ODBC_KEYWORDS and other new types to our TCLIService.thrift
> file.
> New tests can be added in tests/hs2/test_hs2.py
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