Implemented Connection::delete()

Author: lorenzo

lib/Cake/Model/Datasource/Database/Connection.php

@@ -190,10 +190,23 @@ public function update($table, array $data, array $conditions = array(), $types
  *
  * @param string $table the table to delete rows from
  * @param array $conditions conditions to be set for delete statement
+ * @param array $types list of associative array containing the types to be used for casting
  * @return Cake\Model\Datasource\Database\Statement
  **/
-	public function delete($table, $conditions = array()) {
-
+	public function delete($table, $conditions = array(), $types = array()) {
+		$this->connect();
+		$conditionsKeys = array_keys($conditions);
+		$sql = 'DELETE FROM %s %s';
+		list($conditions, $params) = $this->_parseConditions($conditions);
+		$sql = sprintf(
+			$sql,
+			$table,
+			$conditions
+		);
+		if (!empty($types)) {
+			$types = $this->_mapTypes($conditionsKeys, $types);
+		}
+		return $this->execute($sql, $params, $types);
 	}
 
 /**

lib/Cake/Test/TestCase/Model/Datasource/Database/ConnectionTest.php

@@ -333,4 +333,36 @@ public function testUpdateWithConditionsAndTypes() {
 		$this->assertEquals('2012-01-01', $row['body']);
 	}
 
+/**
+ * Tests delete from table with no conditions
+ *
+ * @return void
+ **/
+	public function testDeleteNoConditions() {
+		$this->_insertTwoRecords();
+		$this->connection->delete('things');
+		$result = $this->connection->execute('SELECT * FROM things');
+		$this->assertCount(0, $result);
+	}
+
+
+/**
+ * Tests delete from table with conditions
+ * @return void
+ **/
+	public function testDeleteWithConditions() {
+		$this->_insertTwoRecords();
+		$this->connection->delete('things', array('id' => '1-rest-is-ommited'), array('id' => 'integer'));
+		$result = $this->connection->execute('SELECT * FROM things');
+		$this->assertCount(1, $result);
+
+		$this->connection->delete('things', array('id' => '1-rest-is-ommited'), array('id' => 'integer'));
+		$result = $this->connection->execute('SELECT * FROM things');
+		$this->assertCount(1, $result);
+
+		$this->connection->delete('things', array('id' => '2-rest-is-ommited'), array('id' => 'integer'));
+		$result = $this->connection->execute('SELECT * FROM things');
+		$this->assertCount(0, $result);
+	}
+
 }