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Create postgresql sequence for database ids

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Last Modified: 2015-07-30

We imported a MySQL database and, since in postgre there isn't Autoincrement options, we need to create a serial.

The thing is, the current exported id's doesn't allow us to change its type from int to a serial, instead of  that, Postgresql is asking to create a sequence and set the default value as the nextval of that sequence

Is there any more efficient way to do it?

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