Added the ability to update records without a primary key but used a where optio…

…n when selecting with updateAttribute

lib/dao-factory.js

@@ -15,7 +15,8 @@ module.exports = (function() {
       freezeTableName: false,
       underscored: false,
       syncOnAssociation: true,
-      paranoid: false
+      paranoid: false,
+      whereCollection: null
     }, options || {})
 
     this.name = name
@@ -54,7 +55,7 @@ module.exports = (function() {
     this.primaryKeys = {};
     Utils._.each(this.attributes, function(dataTypeString, attributeName) {
       // If you don't specify a valid data type lets help you debug it
-      if( dataTypeString === undefined ) throw new Error("Unrecognized data type for field " + attributeName );  
+      if( dataTypeString === undefined ) throw new Error("Unrecognized data type for field " + attributeName );
       if((attributeName != 'id') && (dataTypeString.indexOf('PRIMARY KEY') !== -1)) {
         self.primaryKeys[attributeName] = dataTypeString
       }
@@ -153,6 +154,9 @@ module.exports = (function() {
       }.bind(this))
     }
 
+    // whereCollection is used for  non-primary key updates
+    this.options.whereCollection = optcpy.where || undefined;
+
     return this.QueryInterface.select(this, this.tableName, options, { type: 'SELECT', hasJoin: hasJoin })
   }
 
@@ -161,6 +165,9 @@ module.exports = (function() {
     var optcpy = Utils._.clone(options)
     optcpy.attributes = optcpy.attributes || [Utils.addTicks(this.tableName)+".*"]
 
+    // whereCollection is used for  non-primary key updates
+    this.options.whereCollection = optcpy.where || undefined;
+
     return this.QueryInterface.select(this, [this.tableName, joinTableName], optcpy, { type: 'SELECT' })
   }
 
@@ -215,6 +222,9 @@ module.exports = (function() {
 
     options.limit = 1
 
+    // whereCollection is used for  non-primary key updates
+    this.options.whereCollection = optcpy.where || undefined;
+
     return this.QueryInterface.select(this, this.tableName, options, { plain: true, type: 'SELECT', hasJoin: hasJoin })
   }
 

lib/dao.js

@@ -121,8 +121,12 @@ module.exports = (function() {
     if(this.isNewRecord) {
       return this.QueryInterface.insert(this, this.__factory.tableName, values)
     } else {
-      var identifier = this.__options.hasPrimaryKeys ? this.primaryKeyValues : this.id
-        , tableName  = this.__factory.tableName
+      var identifier = this.__options.hasPrimaryKeys ? this.primaryKeyValues : this.id;
+
+      if (identifier === null && this.__options.whereCollection !== null)
+        identifier = this.__options.whereCollection;
+
+      var tableName  = this.__factory.tableName
         , query      = this.QueryInterface.update(this, tableName, values, identifier)
 
       return query