Add showTablesQuery / dropTableQuery

lib/dialects/mssql/query-generator.js

@@ -3,7 +3,23 @@
 var Utils = require('../../utils');
 
 module.exports = (function() {
-  var QueryGenerator = { dialect: 'mssql' };
+  var QueryGenerator = {
+    dialect: 'mssql',
+
+    showTablesQuery: function () {
+      return 'SELECT * FROM sys.Tables';
+    },
+
+    dropTableQuery: function(tableName, options) {
+      options = options || {};
+
+      var query = "IF OBJECT_ID('dbo.<%= tableName %>', 'U') IS NOT NULL DROP TABLE dbo.<%= tableName %>";
+
+      return Utils._.template(query)({
+        tableName: tableName
+      });
+    }
+  };
 
   return Utils._.extend(Utils._.clone(require('../mysql/query-generator')), QueryGenerator);
 })();