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Re: INSERT Trigger to check for existing records - Mailing list pgsql-general

From David G. Johnston
Subject Re: INSERT Trigger to check for existing records
Date
Msg-id CAKFQuwZQXdHJ=Maf6FgSnP3SZdn9jQtLb7qXR6_vrzioJXbnRg@mail.gmail.com
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In response to Re: INSERT Trigger to check for existing records  (Hagen Finley <hagen@datasundae.com>)
Responses Re: INSERT Trigger to check for existing records  ("David G. Johnston" <david.g.johnston@gmail.com>)
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On Saturday, November 21, 2020, Hagen Finley <hagen@datasundae.com> wrote:

David,

That's an interesting idea. I WOULD like  to retain the OLD records that are the same and only INSERT new or changed records. Is there a way to compare the old and the new records without a trigger?


A where clause?

David J. 

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