Gem::LoadError: can't activate pg (~> 0.18), already activated pg-1.0.0 [duplicate]

Gem::LoadError: can't activate pg (~> 0.18), already activated pg-1.0.0 [duplicate]

ruby-on-rails ruby postgresql bundler rails-migrations

postgresql

Rails Migrations: tried to change the type of column from string to integer

ruby-on-rails ruby postgresql casting rails-migrations

postgresql

Rails Migration Error w/ Postgres when pushing to Heroku

ruby-on-rails postgresql heroku rails-migrations

postgresql

Rails Migration to convert string to integer using conversion

postgresql ruby-on-rails-4 rails-migrations

postgresql

Rails + Postgres migration - why am I receiving the error "PG::UndefinedFunction: ERROR: function gen_random_uuid() does not exist"?

ruby-on-rails postgresql uuid rails-migrations

postgresql

What determines if rails includes id: :serial in a table definition?

ruby-on-rails postgresql rails-migrations

postgresql

Rails: PG::UndefinedTable: ERROR: relation "..." does not exist

ruby-on-rails postgresql ruby-on-rails-4 rails-migrations

postgresql

Rails migration to change column type from text to json (Postgresql)

ruby-on-rails postgresql rails-migrations

postgresql

Issue with adding a not null columns to an existing table

ruby-on-rails ruby postgresql rails-migrations

postgresql

Rails error: Index name '...' on table '...' already exists while running rails db:migrate

ruby-on-rails postgresql rails-activerecord rails-migrations

postgresql

Increase statement timeout for rails migration

ruby-on-rails postgresql activerecord rails-migrations

postgresql

Rails migrations over an existing database

ruby-on-rails ruby database postgresql rails-migrations

postgresql

How do I change a time column to an integer column in PostgreSQL with Rails?

ruby-on-rails postgresql ruby-on-rails-4 casting rails-migrations

postgresql

Rails changes schema.rb timestamps to datetimes

ruby-on-rails postgresql activerecord rails-migrations

postgresql

Limit integer size in Rails migration

ruby-on-rails postgresql rails-migrations

postgresql