interface TablesInterface

Same name in other branches
  1. 9 core/lib/Drupal/Core/Entity/Query/Sql/TablesInterface.php \Drupal\Core\Entity\Query\Sql\TablesInterface
  2. 8.9.x core/lib/Drupal/Core/Entity/Query/Sql/TablesInterface.php \Drupal\Core\Entity\Query\Sql\TablesInterface
  3. 10 core/lib/Drupal/Core/Entity/Query/Sql/TablesInterface.php \Drupal\Core\Entity\Query\Sql\TablesInterface

Adds tables and fields to the SQL entity query.

Hierarchy

Expanded class hierarchy of TablesInterface

All classes that implement TablesInterface

File

core/lib/Drupal/Core/Entity/Query/Sql/TablesInterface.php, line 8

Namespace

Drupal\Core\Entity\Query\Sql
View source
interface TablesInterface {
    
    /**
     * Adds a field to a database query.
     *
     * @param string $field
     *   The field to add to the query.
     *
     *   For comprehensive documentation on the format, see
     *   \Drupal\Core\Entity\Query\QueryInterface::condition().
     * @param string $type
     *   Join type, can either be INNER or LEFT.
     * @param string $langcode
     *   The language code the field values are to be queried in.
     *
     * @return string
     *   The return value is a string containing the alias of the table, a dot
     *   and the appropriate SQL column as passed in. This allows the direct use
     *   of this in a query for a condition or sort.
     *
     * @throws \Drupal\Core\Entity\Query\QueryException
     *   If $field specifies an invalid relationship.
     */
    public function addField($field, $type, $langcode);
    
    /**
     * Determines whether the given field is case sensitive.
     *
     * This information can only be provided after it was added with addField().
     *
     * @param string $field_name
     *   The name of the field.
     *
     * @return bool|null
     *   TRUE if the field is case sensitive, FALSE if not. Returns NULL when the
     *   field did not define if it is case sensitive or not.
     */
    public function isFieldCaseSensitive($field_name);

}

Members

Title Sort descending Modifiers Object type Summary Overrides
TablesInterface::addField public function Adds a field to a database query. 1
TablesInterface::isFieldCaseSensitive public function Determines whether the given field is case sensitive. 1

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