Add an optional models argument to automigrate/autoupdate

lib/datasource.js

@@ -412,27 +412,39 @@ DataSource.prototype.defineProperty = function (model, prop, params) {
  * Drop each model table and re-create.
  * This method make sense only for sql connectors.
  *
+ * @param {String} or {[String]} Models to be migrated, if not present, apply to all models
+ *
  * @warning All data will be lost! Use autoupdate if you need your data.
  */
-DataSource.prototype.automigrate = function (cb) {
+DataSource.prototype.automigrate = function (models, cb) {
     this.freeze();
     if (this.connector.automigrate) {
-        this.connector.automigrate(cb);
-    } else if (cb) {
-        cb();
+        this.connector.automigrate(models, cb);
+    } else {
+        if ((!cb) && ('function' === typeof models)) {
+            cb = models;
+            models = undefined;
+        }
+        cb && process.nextTick(cb);
     }
 };
 
 /**
  * Update existing database tables.
  * This method make sense only for sql connectors.
+ *
+ * @param {String} or {[String]} Models to be migrated, if not present, apply to all models
  */
-DataSource.prototype.autoupdate = function (cb) {
+DataSource.prototype.autoupdate = function (models, cb) {
     this.freeze();
     if (this.connector.autoupdate) {
-        this.connector.autoupdate(cb);
-    } else if (cb) {
-        cb();
+        this.connector.autoupdate(models, cb);
+    } else {
+        if ((!cb) && ('function' === typeof models)) {
+            cb = models;
+            models = undefined;
+        }
+        cb && process.nextTick(cb);
     }
 };
 

lib/sql.js

@@ -267,11 +267,27 @@ BaseSQL.prototype.disconnect = function disconnect() {
     this.client.end();
 };
 
-BaseSQL.prototype.automigrate = function (cb) {
+/**
+ * Recreate the tables for the given models
+ * @param models A model name or an array of model names, if not present, apply to all models defined in the connector
+ * @param cb Callback function
+ */
+BaseSQL.prototype.automigrate = function (models, cb) {
     var self = this;
     var wait = 0;
-    Object.keys(this._models).forEach(function (model) {
-        wait += 1;
+    if ((!cb) && ('function' === typeof models)) {
+        cb = models;
+        models = undefined;
+    }
+    // First argument is a model name
+    if ('string' === typeof models) {
+        models = [models];
+    }
+
+    models = models || Object.keys(this._models);
+    models.forEach(function (model) {
+        if (model in self._models) {
+            wait++;
             self.dropTable(model, function () {
                 // console.log('drop', model);
                 self.createTable(model, function (err) {
@@ -280,6 +296,7 @@ BaseSQL.prototype.automigrate = function (cb) {
                     done();
                 });
             });
+        }
     });
     if (wait === 0) cb();