PHP Query::newExpr方法代码示例

 /**
  * Custom finder for distance.
  *
  * Options:
  * - lat (required)
  * - lng (required)
  * - tableName
  * - distance
  *
  * @param \Cake\ORM\Query $query Query.
  * @param array $options Array of options as described above
  * @return \Cake\ORM\Query
  */
 public function findDistance(Query $query, array $options)
 {
     $options += ['tableName' => null];
     $sql = $this->distance($options['lat'], $options['lng'], null, null, $options['tableName']);
     $query->select(['distance' => $query->newExpr($sql)]);
     if (isset($options['distance'])) {
         // Some SQL versions cannot reuse the select() distance field, so we better reuse the $sql snippet
         $query->where(['(' . $sql . ') <' => $options['distance']]);
     }
     return $query->order(['distance' => 'ASC']);
 }

 /**
  * {@inheritdoc}
  */
 public function apply($fromAlias, $fromIdentifier, $resourcePrefix, array $requesterIdentifiers, $mask, array $orX = [])
 {
     $this->query->join(['table' => $this->getAclSchema()->getPermissionsTableName(), 'alias' => 'acl_p', 'type' => 'LEFT', 'conditions' => $this->query->newExpr()->eq('acl_p.resource', $this->query->func()->concat([':acl_resource_prefix' => 'literal', $fromAlias . '.' . $fromIdentifier => 'literal']))]);
     $orX[] = $this->query->newExpr()->and_([$this->query->newExpr()->in('acl_p.requester', $requesterIdentifiers, 'string'), $this->query->newExpr(':acl_mask = (acl_p.mask & :acl_mask)')]);
     $this->query->andWhere($this->query->newExpr()->or_($orX));
     $this->query->bind(':acl_resource_prefix', $resourcePrefix);
     $this->query->bind(':acl_mask', $mask, 'integer');
     return $this->query;
 }

 /**
  * Custom finder to get all rows (`trashed` or not).
  *
  * @param \Cake\ORM\Query $query Query.
  * @param array $options Options.
  * @return \Cake\ORM\Query
  */
 public function findWithTrashed(Query $query, array $options)
 {
     return $query->where(['OR' => [$query->newExpr()->isNotNull($this->getTrashField()), $query->newExpr()->isNull($this->getTrashField())]]);
 }

 /**
  * Custom finder for distance.
  *
  * Options:
  * - lat (required)
  * - lng (required)
  * - tableName
  * - distance
  * - sort
  *
  * @param \Cake\ORM\Query $query Query.
  * @param array $options Array of options as described above
  * @return \Cake\ORM\Query
  */
 public function findDistance(Query $query, array $options)
 {
     $options += ['tableName' => null, 'sort' => true];
     $sql = $this->distanceExpr($options['lat'], $options['lng'], null, null, $options['tableName']);
     if ($query->autoFields() === null) {
         $query->autoFields(true);
     }
     $query->select(['distance' => $query->newExpr($sql)]);
     if (isset($options['distance'])) {
         // Some SQL versions cannot reuse the select() distance field, so we better reuse the $sql snippet
         $query->where(function ($exp) use($sql, $options) {
             return $exp->lt($sql, $options['distance']);
         });
     }
     if ($options['sort']) {
         $sort = $options['sort'] === true ? 'ASC' : $options['sort'];
         $query->order(['distance' => $sort]);
     }
     return $query;
 }

 public function findFemaleRatio(Query $query, $options = [])
 {
     $allManagers = $this->find()->select($query->func()->count('*'));
     return $query->find('female')->select(['female_ratio' => $query->newExpr($query->func()->count('*'))->add($allManagers)->type('/')]);
 }

 /**
  * Custom finder for distance.
  *
  * Used to be a virtual field in 2.x via setDistanceAsVirtualField()
  *
  * Options:
  * - lat (required)
  * - lng (required)
  * - tableName
  * - distance
  *
  * @param \Cake\ORM\Query $query Query.
  * @param array $options Array of options as described above
  * @return \Cake\ORM\Query
  */
 public function findDistance(Query $query, array $options)
 {
     $options += array('tableName' => null);
     $sql = $this->distance($options['lat'], $options['lng'], null, null, $options['tableName']);
     $query->select(['distance' => $query->newExpr($sql)]);
     if (isset($options['distance'])) {
         $query->where(['distance <' => $options['distance']]);
     }
     return $query->order(['distance' => 'ASC']);
 }