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How to migrate column type from uuid to serial - Mailing list pgsql-general

From Hemil Ruparel
Subject How to migrate column type from uuid to serial
Date
Msg-id CANW1aT8fpZqpr6WcN1oj8-0PWjsgorPMEUQguUpO00E=bXYG2A@mail.gmail.com
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Re: How to migrate column type from uuid to serial
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I was integrating a payment gateway for my app when I noticed its maximum length of customer id string is 32. SIze of UUID is 36 (32 characters and 4 dashes). So I want to change the type of customer id to serial. The problem is by now, the column is being used at many places. How to migrate the column to serial without dropping the data?

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