Conditional unique indexes in Rails and PostgreSQL
This is a simple example of adding a conditional and partial unique index to Rails applications backed by PostgreSQL.To demonstrate adding a conditional unique index I will use a following User model that I want to add.
Conditional unique indexes in Rails and PostgreSQL #ruby #rubydeveloper #rubyonrails https://www.rubyonrails.ba/single/conditional-unique-indexes-in-rails-and-postgresql