Temporarily refactoring how bound values are stored to fix a bug

Changed andWhere and orWhere so they don't need where() to be called
before

Author: lorenzo

lib/Cake/Model/Datasource/Database/Expression/QueryExpression.php

@@ -54,14 +54,17 @@ public function add($conditions, $types = []) {
  */
 	public function bind($token, $value, $type) {
 		$param = $token;
+		$number = count($this->_bindings);
 
 		if (is_numeric($token)) {
 			$param = '?';
 		} else if ($param[0] !== ':') {
-			$param = sprintf(':c%s%s', $this->_identifier, count($this->_bindings));
+			$param = sprintf(':c%s%s', $this->_identifier, $number);
 		}
 
-		$this->_bindings[$token] = compact('value', 'type') + ['placeholder' => substr($param, 1)];
+		$this->_bindings[$number] = compact('value', 'type') + [
+			'placeholder' => substr($param, 1)
+		];
 		return $param;
 	}
 

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

@@ -242,7 +242,7 @@ public function where($conditions = null, $types = [], $overwrite = false) {
 	}
 
 	public function andWhere($conditions, $types = []) {
-		$where = $this->_parts['where'];
+		$where = $this->_parts['where'] ?: new QueryExpression();
 
 		if ($where->type() === 'AND') {
 			$where->add($conditions, $types);
@@ -256,7 +256,7 @@ public function andWhere($conditions, $types = []) {
 	}
 
 	public function orWhere($conditions, $types = []) {
-		$where = $this->_parts['where'];
+		$where = $this->_parts['where'] ?: new QueryExpression([], [], 'OR');
 
 		if ($where->type() === 'OR') {
 			$where->add($conditions, $types);

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

@@ -448,4 +448,23 @@ public function testSelectExpressionNesting() {
 		$this->assertEquals(['id' => 3], $result->fetch('assoc'));
 	}
 
+/**
+ * Tests that Query::orWhere() can be used without calling where() before
+ *
+ * @return void
+ **/
+	public function testSelectOrWhereNoPreviousCondition() {
+		$this->_insertDateRecords();
+		$query = new Query($this->connection);
+		$result = $query
+			->select(['id'])
+			->from('dates')
+			->orWhere(['posted' => new \DateTime('2012-12-21 12:00')], ['posted' => 'datetime'])
+			->orWhere(['posted' => new \DateTime('2012-12-22 12:00')], ['posted' => 'datetime'])
+			->execute();
+		$this->assertCount(2, $result);
+		$this->assertEquals(['id' => 1], $result->fetch('assoc'));
+		$this->assertEquals(['id' => 2], $result->fetch('assoc'));
+	}
+
 }