public function ProximityField::query in Geolocation Field 8.2
Same name and namespace in other branches
- 8.3 src/Plugin/views/field/ProximityField.php \Drupal\geolocation\Plugin\views\field\ProximityField::query()
- 8 src/Plugin/views/field/ProximityField.php \Drupal\geolocation\Plugin\views\field\ProximityField::query()
Called to add the field to a query.
Overrides FieldPluginBase::query
File
- src/
Plugin/ views/ field/ ProximityField.php, line 108
Class
- ProximityField
- Field handler for geolocation field.
Namespace
Drupal\geolocation\Plugin\views\fieldCode
public function query() {
/** @var \Drupal\views\Plugin\views\query\Sql $query */
$query = $this->query;
$center = $this
->getCenter();
if (empty($center)) {
return;
}
// Build the query expression.
$expression = self::getProximityQueryFragment($this
->ensureMyTable(), $this->realField, $center['lat'], $center['lng']);
// Get a placeholder for this query and save the field_alias for it.
// Remove the initial ':' from the placeholder and avoid collision with
// original field name.
$this->field_alias = $query
->addField(NULL, $expression, substr($this
->placeholder(), 1));
}