On 17.10.2011 16:41, Andreas Pflug wrote:
Am 17.10.11 10:53, schrieb Thomas Kellerer:
Susanne Ebrecht, 17.10.2011 09:31:
Hello,
I couldn't find that somebody already mentioned it.
PostgreSQL isn't supporting CHAR(0).
An empty string has a length of 0.
CHAR(0) can have two values: NULL and empty string.
In MySQL it is very common to simulate not null boolean
by using CHAR(0).
This is a little bit annoying on migration topics.
While not move on to a cleaner approach during the migration and use a
"boolean not null"?
Sounds much too straight forward, not mysql-ish artistic enough...
Depends if you want / are able to touch the application source code or not.
Susanne
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Susanne Ebrecht - 2ndQuadrant
PostgreSQL Development, 24x7 Support, Training and Services
www.2ndQuadrant.com
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