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Former Member

Need information on Central Repositories and there uses.

Hi all,

I want to know all about the Central repository and its uses.

There are lot of options like check in, check out, get the latest and all.

Please help me.

Regards,

Venkat

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1 Answer

  • Posted on Dec 07, 2015 at 01:35 PM

    Hi Former Member

    Central Repository is mainly used for Multi User Development like to share the ETL Code.

    Multi-user development:


    If you are using a central repository management system, allowing multiple

    developers, each with their own local repository, to check in and check out

    jobs, the development environment typically has the following characteristics:

    It has a central repository and a number of local repositories.

    • Multiple development environments get merged (via central repository

    operations such as check in and check out) at times. When this occurs,

    real owner names (used initially to import objects) must be later mapped

    to a set of aliases shared among all users.

    • The software preserves object history (versions and labels).

    The instances share the same database type but may have different

    versions and locales.

    • Database objects may belong to different owners.

    • Each instance has a unique database connection name, user name,

    password, other connection properties, and owner mapping.

    In the multi-user development scenario you must define aliases so that the

    software can properly preserve the history for all objects in the shared

    environment.

    Porting jobs in a multi-user environment:


    When porting jobs in a multi-user environment, consider these points:

    • Use the Renaming table and function owner to consolidate object database

    object owner names into aliases.

    • Renaming occurs in local repositories. To rename the database objects

    stored in the central repository, check out the datastore to a local

    repository and apply the renaming tool in the local repository.

    • If the objects to be renamed have dependent objects, the software

    will ask you to check out the dependent objects.

    • If all the dependent objects can be checked out, renaming will create

    a new object that has the alias and delete the original object that has

    the original owner name.

    • If all the dependent objects cannot be checked out (data flows are

    checked out by another user), the software displays a message, which

    gives you the option to proceed or cancel the operation. If you cannot

    check out some of the dependent objects, the renaming tool only

    affects the flows that you can check out. After renaming, the original

    object will co-exist with the new object. The number of flows affected

    by the renaming process will affect the Usage and Where-Used

    information in the Designer for both the original object and the new

    object.

    • You are responsible for checking in all the dependent objects that were

    checked out during the owner renaming process. Checking in the new

    objects does not automatically check in the dependent objects that were

    checked out.

    • The software does not delete original objects from the central repository

    when you check in the new objects.

    Use caution because checking in datastores and checking them out

    as multi-user operations can override datastore configurations.

    • Maintain the datastore configurations of all users by not overriding the

    configurations they created. Instead, add a configuration and make it

    your default configuration while working in your own environment.

    • When your group completes the development phase, It is

    recommended that the last developer delete the configurations that

    apply to the development environments and add the configurations

    that apply to the test or production environments.

    Source: Multi User Development


    Regards,

    Akhilesh Kiran.

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