DQL new docs, refs #181

manual/codes/DQL (Doctrine Query Language) - Conditional expressions - Between expressions.php

+

manual/codes/DQL (Doctrine Query Language) - Conditional expressions - Input parameters.php

+<?php
+
+// POSITIONAL PARAMETERS:
+$users = $conn->query("FROM User WHERE User.name = ?", array('Arnold'));
+
+$users = $conn->query("FROM User WHERE User.id > ? AND User.name LIKE ?", array(50, 'A%'));
+
+
+// NAMED PARAMETERS:
+
+$users = $conn->query("FROM User WHERE User.name = :name", array(':name' => 'Arnold'));
+
+$users = $conn->query("FROM User WHERE User.id > :id AND User.name LIKE :name", array(':id' => 50, ':name' => 'A%'));
+?>

manual/codes/DQL (Doctrine Query Language) - Conditional expressions - Like Expressions.php

+<?php
+
+// finding all users whose email ends with '@gmail.com'
+$users = $conn->query("FROM User u, u.Email e WHERE e.address LIKE '%@gmail.com'");
+
+// finding all users whose name starts with letter 'A'
+$users = $conn->query("FROM User u WHERE u.name LIKE 'A%'");
+?>

manual/codes/DQL (Doctrine Query Language) - Conditional expressions - Subqueries.php

+<?php
+// finding all users which don't belong to any group 1
+$query = "FROM User WHERE User.id NOT IN 
+                        (SELECT u.id FROM User u 
+                         INNER JOIN u.Group g WHERE g.id = ?";
+                         
+$users = $conn->query($query, array(1));
+
+// finding all users which don't belong to any groups
+// Notice: 
+// the usage of INNER JOIN
+// the usage of empty brackets preceding the Group component
+
+$query = "FROM User WHERE User.id NOT IN 
+                        (SELECT u.id FROM User u 
+                         INNER JOIN u.Group g)";
+
+$users = $conn->query($query);
+?>

manual/codes/DQL (Doctrine Query Language) - GROUP BY, HAVING clauses.php

+<?php
+
+// retrieve all users and the phonenumber count for each user
+
+$users = $conn->query("SELECT u.*, COUNT(p.id) count FROM User u, u.Phonenumber p GROUP BY u.id");
+
+foreach($users as $user) {
+    print $user->name . ' has ' . $user->Phonenumber->getAggregateValue('count') . ' phonenumbers';
+}
+?>

manual/codes/DQL (Doctrine Query Language) - LIMIT and OFFSET clauses.php

+<?php
+
+// retrieve the first 20 users and all their associated phonenumbers
+
+$users = $conn->query("SELECT u.*, p.* FROM User u, u.Phonenumber p LIMIT 20");
+
+foreach($users as $user) {
+    print ' --- '.$user->name.' --- \n';
+
+    foreach($user->Phonenumber as $p) {
+        print $p->phonenumber.'\n';
+    }
+}
+?>