diff options
Diffstat (limited to 'activerecord/lib/active_record/base.rb')
-rwxr-xr-x | activerecord/lib/active_record/base.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index c7fc1fa124..b3ecd01348 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -67,6 +67,25 @@ module ActiveRecord #:nodoc: class StatementInvalid < ActiveRecordError end + # Parent class for all specific exceptions which wrap database driver exceptions + # provides access to the original exception also. + class WrappedDatabaseException < StatementInvalid + attr_reader :original_exception + + def initialize(message, original_exception) + super(message) + @original_exception, = original_exception + end + end + + # Raised when a record cannot be inserted because it would violate a uniqueness constraint. + class RecordNotUnique < WrappedDatabaseException + end + + # Raised when a record cannot be inserted or updated because it references a non-existent record. + class InvalidForeignKey < WrappedDatabaseException + end + # Raised when number of bind variables in statement given to <tt>:condition</tt> key (for example, when using +find+ method) # does not match number of expected variables. # |