Extract applySqlChanges to base

Author: ssh24

lib/migration.js

@@ -223,23 +223,6 @@ function mixinMigration(PostgreSQL) {
     }
   };
 
-  PostgreSQL.prototype.applySqlChanges = function(model, pendingChanges, cb) {
-    var self = this;
-    if (pendingChanges.length) {
-      var thisQuery = 'ALTER TABLE ' + self.tableEscaped(model);
-      var ranOnce = false;
-      pendingChanges.forEach(function(change) {
-        if (ranOnce) {
-          thisQuery = thisQuery + ' ';
-        }
-        thisQuery = thisQuery + ' ' + change;
-        ranOnce = true;
-      });
-      // thisQuery = thisQuery + ';';
-      self.execute(thisQuery, cb);
-    }
-  };
-
   /*!
    * Build a list of columns for the given model
    * @param {String} model The model name