ar_jdbc_pg_array 0.1.0-java
ar_jdbc_pg_array includes support of PostgreSQL's int[], float[], text[], timestamptz[] etc. into ActiveRecord. You could define migrations for array columns, query on array columns.
Gemfile:
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install:
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Runtime Dependencies (2):
activerecord
~> 3.1
activerecord-jdbcpostgresql-adapter
~> 1.2.9