Re: Need some help with SQL case/when performance -- MIDRANGE-L

× The internal search function is temporarily non-functional. The current search engine is no longer viable and we are researching alternatives.
As a stop gap measure, we are using Google's custom search engine service.
If you know of an easy to use, open source, search engine ... please contact support@midrange.com.

Subject: Re: Need some help with SQL case/when performance
From: Sam_L <lennon_s_j@xxxxxxxxxxx>
Date: Thu, 25 Feb 2021 13:58:17 -0500
List-archive: <https://archive.midrange.com/midrange-l/>
List-post: <mailto:midrange-l@lists.midrange.com>
List-subscribe: <https://lists.midrange.com/mailman/listinfo/midrange-l>, <mailto:midrange-l-request@lists.midrange.com?subject=subscribe>
List-unsubscribe: <https://lists.midrange.com/mailman/options/midrange-l>, <mailto:midrange-l-request@lists.midrange.com?subject=unsubscribe>

Is there an index or LF on the Vendor field and the index/LF is being updated every time?

On 2/25/2021 8:48 AM, smith5646midrange@xxxxxxxxx wrote:

We are converting files and I have a BIG performance problem.

I used the logic (forgive the syntax if it is wrong)

Vendor = case when vendor = ' ' then ' ' else '0' || vendor end

The problem that I am having is the performance on this seems horrible.

As an Amazon Associate we earn from qualifying purchases.

This mailing list archive is Copyright 1997-2024 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.