| From: | Michael Nacos <m(dot)nacos(at)gmail(dot)com> |
|---|---|
| To: | pgsql-announce(at)postgresql(dot)org |
| Cc: | fabien(dot)coelho(at)ensmp(dot)fr |
| Subject: | data diffs with pg51g |
| Date: | 2009-09-05 01:22:55 |
| Message-ID: | 407fa4640909041822p44573d47jf1edce18618dd040@mail.gmail.com |
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| Lists: | pgsql-announce |
pg51g is a data diff toolkit for PostgreSQL. It is meant to be
pronounced 'pee-gee-sig' -- which is what you get if you unfocus
enough while looking at the name :-) I know, it's a terrible name.
It is also an accurate name, as it generates and maintains md5-based
signature tables for your relations in a PostgreSQL database. These
sig tables may be used in two ways:
* for comparing data across databases
* for comparing the current state of a database with a saved snapshot
of itself (self-diff)
This software has been based on Fabien Coelho's report on Remote
Comparison of Database Tables, which may be found here:
http://cri.ensmp.fr/classement/doc/A-375.pdf This software, however,
represents a brand new implementation in C and PL/pgSQL, with
modifications.
comments, suggestions, contributions welcome!
regards, Michael Nacos
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