Re: Lookup tables
Rich Shepard <rshepard@appl-ecosys.com>
From: Rich Shepard <rshepard@appl-ecosys.com>
To: pgsql-general@postgresql.org
Date: 2025-02-04T14:46:41Z
Lists: pgsql-general
On Tue, 4 Feb 2025, Rob Sargent wrote: > I would definitely add an Id for each of the looked up values. The code > can use the Id (for the join or lookup) and the string value can safely be > changed (think typo) without ripple effect. It also prevents other tables > from referencing the lookup witrh bogus values (those not in the lookup > table) > > Unless your lookup tables are huge I would create a new table matching > your current table but with an identity column and load from you original > table. > https://www.postgresql.org/docs/current/ddl-identity-columns.html Thanks, Rob. Each lookup table has only a very few rows, I'll make new tables today. Regards, Rich