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CTE to STUnion geography linestrings

  • August 31, 2010 at 1:55 pm

    #239708

    I am trying to use a CTE to STUnion together several geography LineStrings. I'm not having much luck. I'm pretty sure that I can do this in a "WHILE...LOOP", but just wanted to see if a CTE would do it. Has anyone tried this before?

  • August 31, 2010 at 2:35 pm

    #1214598

    Keith,

    Your description of the problem is too vague to be able to answer.

    You know, the people that help out here are all un-paid volunteers, so please HELP US HELP YOU. Providing the DDL scripts (CREATE TABLE, CREATE INDEX, etc.) for the tables affected, and INSERT statements to put some test data into those tables that shows your problem will go a long way in getting people to look at your issue and help you out. Please include code for what you have already tried. Don't forget to include what your expected results should be, based on the sample data provided. As a bonus to you, you will get tested code back. For more details on how to get all of this into your post, please look at the first link in my signature.

    Wayne
    Microsoft Certified Master: SQL Server 2008
    Author - SQL Server T-SQL Recipes

    If you can't explain to another person how the code that you're copying from the internet works, then DON'T USE IT on a production system! After all, you will be the one supporting it!
    Links:
    For better assistance in answering your questions
    Performance Problems
    Common date/time routines
    Understanding and Using APPLY Part 1 & Part 2

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