Restricts a dynamic column or constraint name to safe characters.

Only keeps alphanumeric and underscores.

Parameters

$field: The field name to escape.

Return value

The escaped field name as a string.

Related topics

File

drupal-7.x/includes/database/database.inc, line 2582

Core systems for the database layer.

Code

function db_escape_field($field) {
  return Database::getConnection()->escapeField($field);
}