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I'm installing Moodle in an Amazon EC2 instance. Currently, there is a backup in from PostgreSQL 7.3 which I already migrated to PostgreSQL 9.1. However, I need convert this database to MySQL 5.5.12 to use Amazon RDS.

Are there any tools to do this?

I'm using pg2mysql but maybe there is a better solution?

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  • Any particular problems you're having with pg2mysql? Commented Dec 15, 2011 at 18:15
  • possible duplicate of How do I migrate easily from MySQL to PostgreSQL? Commented Dec 15, 2011 at 18:23
  • @derobert the problem with pg2mysql is the size of files from pg_dump Commented Dec 15, 2011 at 18:27
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    Please edit that into the question, being as specific as possible (e.g., "the pg_dump file is 2TB. pg2mysql doesn't seem able to handle this, crashing with a (something) exception / has been working on it for 3 days and isn't done / etc."). The edit link is located under the tags. Commented Dec 15, 2011 at 18:30
  • Is there a reason you cannot use EC2 with postgresql? RDS isn't much more than a totally vanilla MySQL server. Commented Dec 15, 2011 at 18:49

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I think the accepted answer in the question How do I migrate easily from MySQL to PostgreSQL? is applicable in this case: either automated tools like pg2mysql are sufficient, or your schema is complicated enough that you will need to migrate manually.

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Finally I use pg2mysql for the schema and this script in python for the data:

https://gist.github.com/1483322

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