After importing data in PostgreSQL, duplicate key value violates unique constraint

Question

I recently migrated my rails app to PostgreSQL in order to take advantage of fulltext search.

Since the migration coincided with moving to a new webhost, the steps for m

Answer 1

In Rails you can use the command

ActiveRecord::Base.connection.reset_pk_sequence!('users')

to bring the primary key index for the User table in sync again.