Re: Compare rows - Mailing list pgsql-performance

From Joe Conway
Subject Re: Compare rows
Date
Msg-id 3F843F73.6030302@joeconway.com
Whole thread Raw
In response to Re: Compare rows  (Greg Spiegelberg <gspiegelberg@cranel.com>)
Responses Re: Compare rows
List pgsql-performance
Greg Spiegelberg wrote:
> The reason for my initial question was this.  We save changes only.
> In other words, if system S has row T1 for day D1 and if on day D2
> we have another row T1 (excluding our time column) we don't want
> to save it.

It still isn't entirely clear to me what you are trying to do, but
perhaps some sort of calculated checksum or hash would work to determine
if the data has changed?

Joe



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