Ensure that values are properly cast for INSERT and UPDATE queries.

data/source/Database.php

@@ -782,7 +782,7 @@ public function _processConditions($key, $value, $context, $schema, $glue = 'AND
 	 */
 	public function fields($fields, $context) {
 		$type = $context->type();
-		$schema = (array) $context->schema();
+		$schema = (array) $context->schema()->fields();
 		$modelNames = (array) $context->name();
 		$modelNames = array_merge($modelNames, array_keys((array) $context->relationships()));
 

tests/cases/data/source/DatabaseTest.php

@@ -369,6 +369,30 @@ public function testCreate() {
 		$this->assertEqual($expected, $result);
 	}
 
+	public function testCreateWithValueBySchema() {
+		$entity = new Record(array(
+			'model' => $this->_model,
+			'data' => array('title' => '007', 'body' => 'the body')
+		));
+		$query = new Query(compact('entity') + array(
+			'type' => 'create',
+			'model' => $this->_model
+		));
+		$hash = $query->export($this->db);
+		ksort($hash);
+		$expected = sha1(serialize($hash));
+
+		$result = $this->db->create($query);
+		$this->assertTrue($result);
+		$result = $query->entity()->id;
+		$this->assertEqual($expected, $result);
+
+		$expected = "INSERT INTO {mock_database_posts} ({title}, {body})";
+		$expected .= " VALUES ('007', 'the body');";
+		$result = $this->db->sql;
+		$this->assertEqual($expected, $result);
+	}
+
 	public function testCreateWithKey() {
 		$entity = new Record(array(
 			'model' => $this->_model,
@@ -475,6 +499,23 @@ public function testUpdate() {
 		$this->assertEqual($sql, $this->db->renderCommand($query));
 	}
 
+	public function testUpdateWithValueBySchema() {
+		$entity = new Record(array(
+			'model' => $this->_model,
+			'data' => array('id' => 1, 'title' => '007', 'body' => 'the body'),
+			'exists' => true
+		));
+		$query = new Query(compact('entity') + array('type' => 'update'));
+		$result = $this->db->update($query);
+
+		$this->assertTrue($result);
+		$this->assertEqual(1, $query->entity()->id);
+
+		$expected = "UPDATE {mock_database_posts} SET";
+		$expected .= " {id} = 1, {title} = '007', {body} = 'the body' WHERE {id} = 1;";
+		$this->assertEqual($expected, $this->db->sql);
+	}
+
 	public function testDelete() {
 		$entity = new Record(array(
 			'model' => $this->_model,