diff options
Diffstat (limited to 'activerecord/lib/active_record/migration.rb')
| -rw-r--r-- | activerecord/lib/active_record/migration.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index d3581e2ccc..8dd3086413 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -70,8 +70,8 @@ module ActiveRecord # * <tt>change_column(table_name, column_name, type, options)</tt>: Changes the column to a different type using the same # parameters as add_column. # * <tt>remove_column(table_name, column_name)</tt>: Removes the column named +column_name+ from the table called +table_name+. - # * <tt>add_index(table_name, column_name, index_type)</tt>: Add a new index with the name of the column on the column. Specify an optional index_type (e.g. UNIQUE). - # * <tt>remove_index(table_name, column_name)</tt>: Remove the index called the same as the column. + # * <tt>add_index(table_name, column_names, index_type, index_name)</tt>: Add a new index with the name of the column, or +index_name+ (if specified) on the column(s). Specify an optional +index_type+ (e.g. UNIQUE). + # * <tt>remove_index(table_name, index_name)</tt>: Remove the index specified by +index_name+. # # == Irreversible transformations # |