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Hive >> mail # dev >> Review Request 16063: HIVE-4395: Support TFetchOrientation.FIRST for HiveServer2 FetchResults


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Re: Review Request 16063: HIVE-4395: Support TFetchOrientation.FIRST for HiveServer2 FetchResults

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https://reviews.apache.org/r/16063/#review29893
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ql/src/java/org/apache/hadoop/hive/ql/processors/DfsProcessor.java
<https://reviews.apache.org/r/16063/#comment57360>

    Formatting.

service/src/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java
<https://reviews.apache.org/r/16063/#comment57361>

    Since this EnumSet if constant I think we should make it a static final class variable.
    
    Also, formatting.

service/src/java/org/apache/hive/service/cli/operation/Operation.java
<https://reviews.apache.org/r/16063/#comment57362>

    Use supportedOrientations.contains(orientation) instead of manually iterating through the set. Also, should this method be protected instead of public?
- Carl Steinbach
On Dec. 6, 2013, 5:37 a.m., Prasad Mujumdar wrote:
>
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/16063/
> -----------------------------------------------------------
>
> (Updated Dec. 6, 2013, 5:37 a.m.)
>
>
> Review request for hive, Brock Noland and Thejas Nair.
>
>
> Bugs: HIVE-4395
>     https://issues.apache.org/jira/browse/HIVE-4395
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>
> Repository: hive-git
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>
> Description
> -------
>
> Support fetch-from-start for hiveserver2 fetch operations.
>  - Handle new fetch orientation for various HS2 operations.
>  - Added support to reset the read position in Hive driver
>  - Enabled scroll cursors with support for positioning cursor to start of resultset
>
>
> Diffs
> -----
>
>   itests/hive-unit/src/test/java/org/apache/hive/jdbc/TestJdbcDriver2.java 7b1c9da
>   jdbc/src/java/org/apache/hive/jdbc/HiveConnection.java ef39573
>   jdbc/src/java/org/apache/hive/jdbc/HiveQueryResultSet.java 812ee56
>   jdbc/src/java/org/apache/hive/jdbc/HiveStatement.java fce19bf
>   ql/src/java/org/apache/hadoop/hive/ql/Context.java ed502a7
>   ql/src/java/org/apache/hadoop/hive/ql/Driver.java 86db406
>   ql/src/java/org/apache/hadoop/hive/ql/exec/FetchTask.java 343f760
>   ql/src/java/org/apache/hadoop/hive/ql/processors/DfsProcessor.java ce54e0c
>   service/src/java/org/apache/hive/service/cli/operation/GetCatalogsOperation.java 581e69c
>   service/src/java/org/apache/hive/service/cli/operation/GetColumnsOperation.java af87a90
>   service/src/java/org/apache/hive/service/cli/operation/GetFunctionsOperation.java 0fe01c0
>   service/src/java/org/apache/hive/service/cli/operation/GetSchemasOperation.java bafe40c
>   service/src/java/org/apache/hive/service/cli/operation/GetTableTypesOperation.java 2be018e
>   service/src/java/org/apache/hive/service/cli/operation/GetTablesOperation.java 7e8a06b
>   service/src/java/org/apache/hive/service/cli/operation/GetTypeInfoOperation.java 2daa9cd
>   service/src/java/org/apache/hive/service/cli/operation/HiveCommandOperation.java a1ac55b
>   service/src/java/org/apache/hive/service/cli/operation/Operation.java 6f4b8dc
>   service/src/java/org/apache/hive/service/cli/operation/SQLOperation.java 301187d
>
> Diff: https://reviews.apache.org/r/16063/diff/
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>
> Testing
> -------
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> Added new testcases to TestJdbcDriver2
>
>
> Thanks,
>
> Prasad Mujumdar
>
>