Extract isActual function

Author: ssh24

lib/migration.js

@@ -51,41 +51,6 @@ function mixinMigration(PostgreSQL) {
     });
   };
 
-  /*!
-   * Check if the models exist
-   * @param {String[]} [models] A model name or an array of model names. If not present, apply to all models
-   * @param {Function} [cb] The callback function
-   */
-  PostgreSQL.prototype.isActual = function(models, cb) {
-    var self = this;
-
-    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);
-
-    var changes = [];
-    async.each(models, function(model, done) {
-      self.getTableStatus(model, function(err, fields) {
-        changes = changes.concat(self.getAddModifyColumns(model, fields));
-        changes = changes.concat(self.getDropColumns(model, fields));
-        done(err);
-      });
-    }, function done(err) {
-      if (err) {
-        return cb && cb(err);
-      }
-      var actual = (changes.length === 0);
-      cb && cb(null, actual);
-    });
-  };
-
   /*!
    * Alter the table for the given model
    * @param {String} model The model name