addColumnQuery

lib/connectors/mysql/query-generator.js

@@ -45,6 +45,18 @@ var QueryGenerator = module.exports = {
     return Utils._.template(query)({ before: before, after: after })
   },
 
+  addColumnQuery: function(tableName, attributes) {
+    var query      = "ALTER TABLE `<%= tableName %>` ADD <%= attributes %>;"
+      , attrString = Utils._.map(attributes, function(definition, attributeName) {
+          return Utils._.template('`<%= attributeName %>` <%= definition %>')({
+            attributeName: attributeName,
+            definition: definition
+          })
+        }).join(', ')
+
+    return Utils._.template(query)({ tableName: tableName, attributes: attrString })
+  },
+
   /*
     Returns a query for selecting elements in the database <tableName>.
     Options:

lib/connectors/query-generator.js

@@ -79,6 +79,20 @@ module.exports = (function() {
     },
 
     /*
+      Returns a query, which adds an attribute to an existing table.
+      Parameters:
+        - tableName: Name of the existing table.
+        - attributeName: Name of the new attribute.
+        - options: A hash with attribute specific options:
+          - type: DataType
+          - defaultValue: A String with the default value
+          - allowNull: Boolean
+    */
+    addColumnQuery: function(tableName, attributeName, options) {
+      throw new Error('Define the method addColumnQuery!')
+    },
+
+    /*
       Takes something and transforms it into values of a where condition.
     */
     getWhereConditions: function(smth) {