boxerror: override the properties directly

src/boxerror.js

@@ -9,17 +9,17 @@ const assert = require('assert'),
 
 exports = module.exports = BoxError;
 
-function BoxError(reason, errorOrMessage, details) {
+function BoxError(reason, errorOrMessage, override) {
     assert.strictEqual(typeof reason, 'string');
     assert(errorOrMessage instanceof Error || typeof errorOrMessage === 'string' || typeof errorOrMessage === 'undefined');
-    assert(typeof details === 'object' || typeof details === 'undefined');
+    assert(typeof override === 'object' || typeof override === 'undefined');
 
     Error.call(this);
     Error.captureStackTrace(this, this.constructor);
 
     this.name = this.constructor.name;
     this.reason = reason;
-    this.details = details || {};
+    this.details = {};
 
     if (typeof errorOrMessage === 'undefined') {
         this.message = reason;
@@ -28,7 +28,7 @@ function BoxError(reason, errorOrMessage, details) {
     } else { // error object
         this.message = errorOrMessage.message;
         this.nestedError = errorOrMessage;
-        _.extend(this.details, errorOrMessage); // copy enumerable properies
+        _.extend(this, override); // copy enumerable properies
     }
 }
 util.inherits(BoxError, Error);

src/database.js

@@ -93,7 +93,7 @@ function query() {
         const callback = typeof args[args.length - 1] === 'function' ? args.pop() : null;
 
         args.push(function queryCallback(error, result) {
-            if (error) return callback ? callback(error) : reject(new BoxError(BoxError.DATABASE_ERROR, error));
+            if (error) return callback ? callback(error) : reject(new BoxError(BoxError.DATABASE_ERROR, error, { code: error.code, sqlMessage: error.sqlMessage }));
 
             callback ? callback(null, result) : resolve(result);
         });