Kenji Otsuka

> Still, I'm wondering how to handle Timestamp NOT NULL constraint, > because MySQL 5.5.6 and later handles Timestamp NOT NULL as default. > Current program handle nullable = true...

**Is your feature request related to a problem? Please describe.** SqlServer Adapter doesn't have all required methods **Describe the solution you'd like** Write all required methods in SQL Server Adapter

**Is your feature request related to a problem? Please describe.** createTime, createDateTime, createTimestamp require constant default value in SQLite. I'm wondering how Rails and other migration tools set the value....

**Is your feature request related to a problem? Please describe.** For varchar default value `a'a\'`, in MySQL it must be escaped as `a''a\\''` or `a\'\a\\'`, but in PostgreSQL it must...

Research other tools

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https://github.com/rails/rails/blob/f47b4236e089b07cb683ee9b7ff8b06111a0ec10/activerecord/lib/active_record/railties/databases.rake https://github.com/cakephp/phinx/blob/master/src/Phinx/Db/Adapter/PostgresAdapter.php https://gist.github.com/amejiarosario/2950888 ## Available transformations ### Creation * `create_join_table(table_1, table_2, options)` * Creates a join table having its name as the lexical order of the first two arguments. See...

Sometimes migration stops because of closed connection "This connection has been closed."

1

**Describe the bug** Sometimes migration stops because of closed connection, and says "This connection has been closed." **To Reproduce** Steps to reproduce the behavior: 1. execute harmonicaUp, harmonicaDown 2. execute...