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From Boglarka Egyed <b...@apache.org>
Subject Re: Review Request 63920: Sqoop ignores metastore properties defined in sqoop-site.xml
Date Mon, 11 Dec 2017 14:44:32 GMT

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Fix it, then Ship it!

Hi Szabi,

I checked your patch and it seems to be good however I have some minor findings, please find
them below.

I ran unit and 3rd party tests with your patch succesfully.


Lines 1087-1093 (original)

    GenericJobStorage import is no longer used in this class after this change, please remove
it too.

Lines 1 (patched)

    Please add license info header to this new file too.

Lines 58-70 (patched)

    Typo in test case and method names: "AutoAuto"

- Boglarka Egyed

On Dec. 8, 2017, 3:31 p.m., Szabolcs Vasas wrote:
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/63920/
> -----------------------------------------------------------
> (Updated Dec. 8, 2017, 3:31 p.m.)
> Review request for Sqoop.
> Bugs: SQOOP-3255
>     https://issues.apache.org/jira/browse/SQOOP-3255
> Repository: sqoop-trunk
> Description
> -------
> This patch restores the following metastore behavior:
> If --meta-connect parameter is present then Sqoop will try to connect to the metastore
database specified in this parameter value. It will use the username and password specified
in --meta-username and --meta-password parameters if they are not present Sqoop will use empty
username/password. If the database in the connection string is not supported, then Sqoop will
default to HSQLDB metastore (See: org.apache.sqoop.metastore.GenericJobStorage#canAccept).
> If --meta-connect parameter is not present Sqoop checks if sqoop.metastore.client.enable.autoconnect
configuartion parameter is set to false. If the parameter is false then Sqoop throws an error
since there are no applicable metastore implementations.
> The next step is to check sqoop.metastore.client.autoconnect.url configuration parameter.
In this parameter users can specify a JDBC connection string to a metastore database (HSQLDB,
MySQL, Oracle, PostgreSQL, DB2 and SQL Server are supported) if it is not present Sqoop will
create an embedded HSQLDB metastore in the home directory of the OS user which executes the
sqoop command. The username and password can be specified in sqoop.metastore.client.autoconnect.username
(default value: SA) and sqoop.metastore.client.autoconnect.password (default value is the
empty string).
> SqoopOptions:
>  - It turned out that the default value initialisation did not work, because the configuration
parameters are not present in system properties just in the configuration object
>  - getLocalAutoConnectString is moved to AutoGenericJobStorage.getHomeDirFileConnectStr
> AutoGenericJobStorage:
>  - The class is restored version of AutoHsqldbStorage.
>  - it extends GenericJobStorage
>  GenericJobStorage:
>  - the auto metastore parameters are moved to AutoGenericJobStorage
>  - driverClass field is removed since it can be derived from the metastoreConnectStr
>  - canAccept is modified
> JobTool:
>  - SUPPORTED_DRIVERS is moved to GenericJobStorage since JobTool just delegates to job
storages so the supported databases depend on the job storage implementation.
>  - applyMetastoreOptions now copies the parameter values from the CommandLine object
to the SqoopObject instance.
>  - the storage descriptor map initialized in initializeStorageDescriptor now
> Diffs
> -----
>   src/java/org/apache/sqoop/SqoopOptions.java d5fdfba14f5a2a22ae41ce4627b4e9afd13d5d28

>   src/java/org/apache/sqoop/metastore/AutoGenericJobStorage.java PRE-CREATION 
>   src/java/org/apache/sqoop/metastore/GenericJobStorage.java e4ffde210d6b93eec4cb4d3c5b20e388971bf564

>   src/java/org/apache/sqoop/metastore/JobStorageFactory.java 9a348d5181d20498dc89f68261302d65e041959a

>   src/java/org/apache/sqoop/tool/JobTool.java 5b95c7d00643ed76d3e15799648ca40bda7f0b90

>   src/test/com/cloudera/sqoop/TestIncrementalImport.java 166792b516008f34f7d20f899a0910ed19155f6b

>   src/test/com/cloudera/sqoop/metastore/SavedJobsTestBase.java 81789e76f2a5c9f85c38fed3e6fb7b791ed7299f

>   src/test/com/cloudera/sqoop/metastore/TestMetastoreConfigurationParameters.java PRE-CREATION

>   src/test/com/cloudera/sqoop/testutil/HsqldbTestServer.java 8d0a30db8e3ab0b364f8ccf43e643269d4eb0df0

>   src/test/org/apache/sqoop/metastore/TestAutoGenericJobStorageCanAccept.java PRE-CREATION

>   src/test/org/apache/sqoop/metastore/TestGenericJobStorageCanAccept.java PRE-CREATION

> Diff: https://reviews.apache.org/r/63920/diff/2/
> Testing
> -------
> Executed unit and third party test suite, created new test cases.
> Thanks,
> Szabolcs Vasas

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