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* Database comments: switch to keyword args for new table optionsJeremy Daer2016-04-181-3/+1
| | | | | | * Switch to keyword args where we can without breaking compat. * Use add_table_options! for :options, too. * Some code polish.
* Add support for specifying comments for tables, columns, and indexes.Andrey Novikov2016-04-161-0/+91
Comments are specified in migrations, stored in database itself (in its schema), and dumped into db/schema.rb file. This allows to generate good documentation and explain columns and tables' purpose to everyone from new developers to database administrators. For PostgreSQL and MySQL only. SQLite does not support comments at the moment. See docs for PostgreSQL: http://www.postgresql.org/docs/current/static/sql-comment.html See docs for MySQL: http://dev.mysql.com/doc/refman/5.7/en/create-table.html