adzeitor/migrate

WIP: Go rails-like migrations

Example:

initialMigration := migrate.Migration(
    func(m *Migration) {
        m.AddColumn(TimeColumn("table", "created_at"))
    }
)
migrate.Up(initialMigration, postgresConn)

Support custom types

TODO:

• add_column
• add_foreign_key
• add_index
• add_reference
• add_timestamps
• change_column_default (must supply a :from and :to option)
• change_column_null
• create_join_table
• create_table
• disable_extension
• drop_join_table
• drop_table (must supply a block)
• enable_extension
• remove_column (must supply a type)
• remove_foreign_key (must supply a second table)
• remove_index
• remove_reference
• remove_timestamps
• rename_column
• rename_index
• rename_table