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-rw-r--r--activerecord/lib/active_record/errors.rb30
1 files changed, 18 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb
index c615d59725..7e38719811 100644
--- a/activerecord/lib/active_record/errors.rb
+++ b/activerecord/lib/active_record/errors.rb
@@ -57,26 +57,23 @@ module ActiveRecord
class RecordNotDestroyed < ActiveRecordError
end
- # Raised when SQL statement cannot be executed by the database (for example, it's often the case for
- # MySQL when Ruby driver used is too old).
+ # Superclass for all database execution errors.
+ #
+ # Wraps the underlying database error as +original_exception+.
class StatementInvalid < ActiveRecordError
- end
-
- # Raised when SQL statement is invalid and the application gets a blank result.
- class ThrowResult < 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)
+ def initialize(message, original_exception = nil)
super(message)
@original_exception = original_exception
end
end
+ # Defunct wrapper class kept for compatibility.
+ # +StatementInvalid+ wraps the original exception now.
+ class WrappedDatabaseException < StatementInvalid
+ end
+
# Raised when a record cannot be inserted because it would violate a uniqueness constraint.
class RecordNotUnique < WrappedDatabaseException
end
@@ -158,6 +155,15 @@ module ActiveRecord
# Raised when unknown attributes are supplied via mass assignment.
class UnknownAttributeError < NoMethodError
+
+ attr_reader :record, :attribute
+
+ def initialize(record, attribute)
+ @record = record
+ @attribute = attribute.to_s
+ super("unknown attribute: #{attribute}")
+ end
+
end
# Raised when an error occurred while doing a mass assignment to an attribute through the