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Zend Framework 2 database SQL examples
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| <?php | |
| use Zend\Db\Sql\Expression; | |
| use Zend\Db\Sql\Predicate\Operator; | |
| use Zend\Db\Sql\Select; | |
| use Zend\Db\Sql\Where; | |
| use Zend\Db\TableGateway\TableGateway; | |
| $adapter = $this->getServiceLocator()->get('Zend\Db\Adapter\Adapter'); | |
| $table = new TableGateway('users', $adapter); | |
| // SELECT `users`.* FROM `users` | |
| $query = $table->select(); | |
| // SELECT `users`.`user_id` AS `user_id` FROM `users` WHERE `user_id` = 2 | |
| $query = $table->select(function(Select $select) { | |
| $select->columns(['user_id']); | |
| $select->where(['user_id' => 2]); | |
| }); | |
| // SELECT MAX(`users`.`user_id`) FROM `users` | |
| $query = $table->select(function(Select $select) { | |
| $select->columns([ | |
| 'MAX(?)' => [['users.user_id' => Expression::TYPE_IDENTIFIER]], | |
| ]); | |
| }); | |
| // SELECT MAX(`user_id`) AS `max` FROM `users` WHERE `is_active` = 1 | |
| $query = $table->select(function(Select $select) { | |
| $select->columns([ | |
| 'max' => new Expression('MAX(?)', [['user_id' => Expression::TYPE_IDENTIFIER]]), | |
| ]); | |
| $select->where(['is_active' => 1]); | |
| }); | |
| // SELECT `users`.*, `p`.* FROM `users` | |
| // INNER JOIN `projects` AS `p` ON `p`.`user_id` = `users`.`user_id` | |
| // WHERE `users`.`is_active` = 1 | |
| $query = $table->select(function(Select $select) { | |
| $select->join(['p' => 'projects'], 'p.user_id = users.user_id'); | |
| $select->where(['users.is_active' => 1]); | |
| }); | |
| // SELECT `users`.* FROM `users` WHERE `is_locked` = 0 AND `is_active` = 1 OR `role_id` = 1 | |
| $query = $table->select(function(Select $select) { | |
| $select->where(['is_locked' => 0, 'is_active' => 1], Where::COMBINED_BY_AND); | |
| $select->where(['role_id' => 1], Where::OP_OR); | |
| }); | |
| // SELECT `users`.* FROM `users` WHERE `is_locked` = 0 AND (`role_id` = 1 OR `role_id` IN NULL) | |
| $query = $table->where(function(Where $where) { | |
| $where->equalTo('is_locked', 0) | |
| ->AND | |
| ->nest() | |
| ->equalTo('role_id', 1) | |
| ->OR | |
| ->isNull('role_id') | |
| ->unnest(); | |
| }); | |
| // SELECT `users`.* FROM `users` | |
| // WHERE NOT EXISTS (SELECT `admins`.* FROM `admins` WHERE `admins`.`id` = `users`.`id`) | |
| // ORDER BY RAND() | |
| $query = $table->select(function(Select $select) { | |
| $subquery = new Select('admins'); | |
| $subquery->where([ | |
| new Operator( | |
| 'er2.id_entity', | |
| Operator::OP_EQ, | |
| 'er1.id_entity_related', | |
| Operator::TYPE_IDENTIFIER, | |
| Operator::TYPE_IDENTIFIER | |
| ), | |
| 'admins.id' => 'users.id', | |
| ]); | |
| $select->where([ | |
| 'NOT EXISTS(?)' => $subquery, | |
| ]); | |
| $select->order(new Expression('RAND()')); | |
| }); | |
| // SELECT `users`.`id_user` AS `id` FROM `users` | |
| // WHERE (BINARY LOWER(`users`.`login`) = LOWER('test') OR BINARY LOWER(`users`.`email`) = LOWER('test')) | |
| // AND (`users`.`id_site` IS NULL OR `users`.`id_site` = 1) AND `users`.`status` = 1 | |
| // LIMIT 1 | |
| $query = $table->select()->where(function(Where $where) { | |
| $where = $where->NEST; | |
| foreach (['login', 'email'] as $column) { | |
| $predicate = new Expression('BINARY LOWER(?) = LOWER(?)', [ | |
| [$column => Expression::TYPE_IDENTIFIER], | |
| ['test' => Expression::TYPE_VALUE], | |
| ]); | |
| $where->orPredicate($predicate); | |
| } | |
| $where = $where->UNNEST; | |
| $where = $where->AND->NEST->isNull('id_site')->OR->equalTo('id_site', 1)->UNNEST->AND->equalTo('status', 1); | |
| })->limit(1); | |
| echo $query->getSqlString($adapter->getPlatform()); |
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The documentation must have some example like this.
If you add some code about group and other things like that, it would be great.
Thanks