rails-postgresql Examples and Free Source Code

How to list records of a Table with a counter of how many are used through a relationship...

postgresql ruby-on-rails-4 activerecord postgresql-9.1 rails-postgresql

Replace NULL values in an array in PostgreSQL...

arrays postgresql null rails-postgresql

PG::UndefinedTable: ERROR: relation does not exist for Multitenant Rails App...

ruby-on-rails multi-tenant rails-postgresql apartment-gem

JSON data type in Rails4 form_for...

json ruby-on-rails-4 rails-postgresql

Search results ordering based on rating and other values...

sql postgresql sorting rails-postgresql postgresql-9.5

Why does Rails .select alias change attributes to lowercase?...

sql ruby-on-rails postgresql ruby-on-rails-4 rails-postgresql

Filtering datetime not working when using timezone...

ruby-on-rails datetime rails-postgresql ransack

Issue constructing a query in Rails using Arel and array attributes...

ruby-on-rails arel rails-postgresql

how can I migrate the database dump of MongoDB into PostgreSQL?...

mongodb postgresql ruby-on-rails-4 mysql rails-postgresql

Rails, ActiveRecord and SubQueries...

sql ruby-on-rails activerecord subquery rails-postgresql

How to compare dates across two tables where one date is valid until updated?...

sql postgresql rails-postgresql

CSV Worker is locking dbase...

ruby-on-rails ruby csv ruby-on-rails-4 rails-postgresql

Querying a PostgreSQL multi-dimensional array data type in Rails 4...

postgresql ruby-on-rails-4 rails-postgresql

How to get unique value after removing space and group by some different column in postgres...

postgresql rails-postgresql groupwise-maximum

'pg' works locally, but not when deployed to Heroku...

ruby-on-rails heroku bundler rails-postgresql pg

What is the role of -s flag in creating user...

postgresql rails-postgresql

Problems with heroku rake db:reset...

ruby-on-rails postgresql heroku rails-postgresql

How to Delete all duplicate rows in postgres sql based on 3 duplicate columns and out of that keep m...

sql postgresql postgresql-9.1 postgresql-9.3 rails-postgresql

Pgagent and Postgis are not seen in pgAdmin?...

postgresql postgresql-9.1 pgadmin rails-postgresql

Getting PG duplicate table error on deploy...

ruby-on-rails postgresql capistrano rails-postgresql

Rails: Optimize querying maximum values from associated table...

sql ruby-on-rails ruby postgresql rails-postgresql

Why does the where() method run SQL queries after all nested relations are eager-loaded?...

sql ruby-on-rails ruby eager-loading rails-postgresql

Rake tasks seem to ignore database.yml configuration...

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

Query an array of json with Active Record (Rails 4/postgresql9.4)...

ruby-on-rails json postgresql rails-postgresql jsonb

Postgres <=> Rails . How to auto-create a user from database.yml...

ruby-on-rails ruby-on-rails-4 database-migration rails-postgresql pg

Creating a feed => NoMethodError: undefined method for ActiveRecord_Associations_CollectionProxy...

ruby-on-rails rails-activerecord has-many-through model-associations rails-postgresql

best temp table strategy for update/insert operation...

sql performance postgresql database-design rails-postgresql

Using Sqlite3 test database and Postgres dev/production database in Rails...

ruby-on-rails database ruby-on-rails-3 sqlite rails-postgresql

plpythonu.control Missing on Postgres 9.4.0...

python ruby-on-rails postgresql rails-postgresql

Rails - Postgres - could not connect to server: Connection refused (PG::ConnectionBad)...

ruby-on-rails database sqlite database-connection rails-postgresql