docs fix

Signed-off-by: Andrey Pyzhikov <[email protected]>

Author: iRedds

user_guide_src/source/database/query_builder/015.php

@@ -3,4 +3,4 @@
 $subquery = $db->table('countries')->select('name')->where('id', 1);
 $builder  = $db->table('users')->select('name')->selectSubquery($subquery, 'country');
 $query    = $builder->get();
-// Produces: SELECT `name`, (SELECT `name` FROM `countries` WHERE `id` = 1) AS `country` FROM `users`
+// Produces: SELECT `name`, (SELECT `name` FROM `countries` WHERE `id` = 1) `country` FROM `users`

user_guide_src/source/database/query_builder/017.php

@@ -3,4 +3,4 @@
 $subquery = $db->table('users');
 $builder  = $db->table('jobs')->fromSubquery($subquery, 'alias');
 $query    = $builder->get();
-// Produces: SELECT * FROM `jobs`, (SELECT * FROM `users`) AS `alias`
+// Produces: SELECT * FROM `jobs`, (SELECT * FROM `users`) `alias`

user_guide_src/source/database/query_builder/018.php

@@ -3,4 +3,4 @@
 $subquery = $db->table('users')->select('id, name');
 $builder  = $db->newQuery()->fromSubquery($subquery, 't');
 $query    = $builder->get();
-// Produces: SELECT * FROM (SELECT `id`, `name` FROM users) AS `t`
+// Produces: SELECT * FROM (SELECT `id`, `name` FROM users) `t`