diff options
Diffstat (limited to 'activerecord/lib')
-rw-r--r-- | activerecord/lib/active_record/migration.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index af4fb6e83c..5cc9f4e197 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -8,6 +8,12 @@ module ActiveRecord end end + class DuplicateMigrationNameError < ActiveRecordError#:nodoc: + def initialize(name) + super("Multiple migrations have the name #{name}") + end + end + class UnknownMigrationVersionError < ActiveRecordError #:nodoc: def initialize(version) super("No migration with version number #{version}") @@ -440,6 +446,10 @@ module ActiveRecord if klasses.detect { |m| m.version == version } raise DuplicateMigrationVersionError.new(version) end + + if klasses.detect { |m| m.name == name.camelize } + raise DuplicateMigrationNameError.new(name.camelize) + end load(file) |