- Postgres Generate Uuid Primary Key Of Life
- Postgresql Create Table Uuid Primary Key
- Postgres Generate Uuid Primary Key Example
Generate A UUID In PostgreSQL. Postgres has support for universally unique identifiers (UUIDs) as a column data type via uuid. If you have a UUID column, you may need to generate a UUID. This requires the uuid-ossp module.
Generating a UUID in Postgres for Insert statement? (4)
As of Postgres 9.4, the pgcrypto module includes the gen_random_uuid() function. This function generates one of the random-number based Version 4 type of UUID.
Get contrib modules, if not already available.
Use pgcrypto module.
The gen_random_uuid() function should now available;
Example usage.
Quote from Postgres doc on uuid-ossp module.
Note: If you only need randomly-generated (version 4) UUIDs, consider using the gen_random_uuid() function from the pgcrypto module instead.
My question is rather simple. I'm aware of the concept of a UUID and I want to generate one to refer to each 'item' from a 'store' in my DB with. Seems reasonable right?
Postgres Generate Uuid Primary Key Of Life
The problem is the following line returns an error:
Postgresql Create Table Uuid Primary Key
I've read the page at: http://www.postgresql.org/docs/current/static/uuid-ossp.html
I'm running Postgres 8.4 on Ubuntu 10.04 x64.
(works at least in 8.4)
Good point from @Erwin Brandstetter to use clock_timestamp()
Also, in modern Postgres, you can simply cast:
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Postgres Generate Uuid Primary Key Example
SELECT md5(random()::text clock_timestamp()::text)::uuid