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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 284b38ed7b..9de8242a58 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -619,6 +619,7 @@ module ActiveRecord
ER_DUP_ENTRY = 1062
ER_NOT_NULL_VIOLATION = 1048
ER_DO_NOT_HAVE_DEFAULT = 1364
+ ER_ROW_IS_REFERENCED_2 = 1451
ER_NO_REFERENCED_ROW_2 = 1452
ER_DATA_TOO_LONG = 1406
ER_OUT_OF_RANGE = 1264
@@ -633,7 +634,7 @@ module ActiveRecord
case error_number(exception)
when ER_DUP_ENTRY
RecordNotUnique.new(message)
- when ER_NO_REFERENCED_ROW_2
+ when ER_ROW_IS_REFERENCED_2, ER_NO_REFERENCED_ROW_2
InvalidForeignKey.new(message)
when ER_CANNOT_ADD_FOREIGN
mismatched_foreign_key(message)