troubleshooting Question

How to use CASE and EXISTS?

Avatar of renesisx
renesisx asked on
DatabasesPostgreSQL
7 Comments1 Solution9671 ViewsLast Modified:
PostgreSQL question...

I want something like this:
CASE WHEN EXISTS(SELECT constraint_name FROM information_schema.table_constraints WHERE constraint_name = 'FK_ProductPurchased_Customer') THEN
ALTER TABLE "ProductPurchased" DROP CONSTRAINT "FK_ProductPurchased_Customer"
END;

But that's not valid SQL.

Do you know a way to do that with valid PostgreSQL SQL?
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