Foreign key constraint error

lib/dialects/mysql/query.js

@@ -62,6 +62,24 @@ module.exports = (function() {
           parent: err
         });
 
+      case 1451:
+        match = err.message.match(/FOREIGN KEY \(`(.*)`\) REFERENCES `(.*)` \(`(.*)`\)(?: ON .*)?\)$/);
+
+        return new sequelizeErrors.ForeignKeyConstraintError({
+          fields: null,
+          index: match[3],
+          parent: err
+        });
+
+      case 1452:
+        match = err.message.match(/FOREIGN KEY \(`(.*)`\) REFERENCES `(.*)` \(`(.*)`\)\)$/);
+
+        return new sequelizeErrors.ForeignKeyConstraintError({
+          fields: null,
+          index: match[1],
+          parent: err
+        });
+
       default:
         return new sequelizeErrors.DatabaseError(err);
     }

lib/errors.js

@@ -122,6 +122,26 @@ error.UniqueConstraintError = function (options) {
   this.index = options.index;
 };
 util.inherits(error.UniqueConstraintError, error.DatabaseError);
+
+/**
+ * Thrown when a foreign key constraint is violated in the database
+ * @extends DatabaseError
+ * @constructor
+ */
+error.ForeignKeyConstraintError = function (options) {
+  options = options || {};
+  options.parent = options.parent || { sql: '' };
+
+  error.DatabaseError.call(this, options.parent);
+  this.name = 'SequelizeForeignKeyConstraintError';
+
+  this.message = options.message;
+  this.fields = options.fields;
+  this.value = options.value;
+  this.index = options.index;
+};
+util.inherits(error.ForeignKeyConstraintError, error.DatabaseError);
+
 /**
  * The message from the DB.
  * @property message

lib/sequelize.js

@@ -269,6 +269,13 @@ module.exports = (function() {
     sequelizeErrors.UniqueConstraintError;
 
   /**
+   * Thrown when a foreign key constraint is violated in the database
+   * @see {Errors#ForeignKeyConstraintError}
+   */
+  Sequelize.prototype.ForeignKeyConstraintError = Sequelize.ForeignKeyConstraintError =
+    sequelizeErrors.ForeignKeyConstraintError;
+
+  /**
    * Returns the specified dialect.
    *
    * @return {String} The specified dialect.