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Named Searches - Performance Questions

Dear MDM Pros,

I have question regarding the performance of Named Searches.

I have a repository with 600.000 datasets (and various lookup tables) now I need to setup named searches for restricting the access to the data.

I have one field with classifications (Number 8 digits / 15.000 different classes) on that I want to restrict access. The restriction should work on the first 2 digits of a class.

Example Classification:

21010509

21010503

21010504

21010507

19050711

19050912

31020530

Rule:

LEFT(CLASSIFICATION,2) >= 19 AND LEFT(CLASSIFICATION,2) <= 21

So my idea is to use this

LEFT(CLASSIFICATION,2) >= 19 AND LEFT(CLASSIFICATION,2) <= 21

Expression in the search and save this as Named Search.

As wrote before I think this is really slow.

Can anybody give me a hint how to find a performance optimized solution for this problem.

Best regards

Roman

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2 Answers

  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Sep 09, 2008 at 12:45 PM

    Hi Roman,

    from my experience, if you use the free form search in favor of expessions, it would be faster. So you can try to create three separate named searches and use the "starts with" operator in the free form search directly in the field:

    Search1: Classification starts with 19

    Search2: Classification starts with 20

    Search3: Classification starts with 21

    Now you assign all three named searches to a role. When you log on, you should see all classification fields starting with 19, 20 and 21.

    Maybe this method is faster.

    Christian

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  • Posted on Oct 21, 2008 at 03:50 PM

    There is a note (sorry I forgot the number) explaining Free-Form-Search is not supported by Named Searches.

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    • Former Member Roman Becker

      Hi Roman,

      now it is clearer: please do not mix up free-form search and expression. Generally, the free-form search works well with named searches. However, using expressions within a free-form search may not work properly with named searches. That is correct. Please refer to my first post from Sep 9 to solve you problem, i.e. create several named searches with free-form searches (not expressions) and then assign these named searches to the roles. I even did exactly that in an SRM-MDM (Version 2.0 SP01 and SP04) project already. By the way, performance has been greatly enhanced in MDM-SRM 2.0 SP04.

      Feel free to get back if you need more information.

      Best regards

      Christian

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