lol_dba is a small package of rake tasks that scan your application models and displays a list of columns that probably should be indexed. Also, it can generate .sql migration scripts.
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Catch unsafe PostgreSQL migrations in development and run them easier in production (code helpers for table/column renaming, changing column type, adding columns with default, background migrations, etc).
Rails tagging system that stores tags in a PostgreSQL array column or an SQLite JSON column – no join tables, no extra models, no N+1 queries.
- tagging
- rails-gem
- social
- rails-tagging