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https://issues.apache.org/jira/browse/IMPALA-12802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17828945#comment-17828945
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ASF subversion and git services commented on IMPALA-12802:
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Commit eb5c8d6884f1c1bb3de66809e9ec59173072d5e8 in impala's branch
refs/heads/master from wzhou-code
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=eb5c8d688 ]
IMPALA-12802: Support ALTER TABLE for JDBC tables
IMPALA-12793 changes the syntax for creating JDBC table. The
configurations of connection credentials - url, username, password,
jdbc driver, etc, are set as table properties.
This patch allows user to change these table properties, or edit
columns via ALTER TABLE statement.
Testing:
- Added frontend analysis unit-tests.
- Added end-to-end unit-test.
- Passed Core tests
Change-Id: I5ebb5de2c686d2015db78641f78299dd5f33621e
Reviewed-on: http://gerrit.cloudera.org:8080/21088
Reviewed-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
> Support ALTER TABLE for JDBC tables
> -----------------------------------
>
> Key: IMPALA-12802
> URL: https://issues.apache.org/jira/browse/IMPALA-12802
> Project: IMPALA
> Issue Type: Sub-task
> Components: Frontend
> Reporter: Wenzhe Zhou
> Assignee: Wenzhe Zhou
> Priority: Major
>
> Currently ALTER TABLE is not supported for data source tables since
> connection credentials are set as in single initString. See
> https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/analysis/AlterTableStmt.java#L103-L108.
> IMPALA-12793 change the syntax for creating JDBC table. The configuration of
> connection credentials - url, username, password, jdbc driver, etc, are set
> as table properties. We should allow user to change these properties or edit
> a column name via ALTER TABLE statement.
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