protected function Schema::createKeysSql in Drupal 8
Same name and namespace in other branches
- 9 core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::createKeysSql()
3 calls to Schema::createKeysSql()
- Schema::addField in core/lib/ Drupal/ Core/ Database/ Driver/ mysql/ Schema.php 
- Add a new field to a table.
- Schema::changeField in core/lib/ Drupal/ Core/ Database/ Driver/ mysql/ Schema.php 
- Change a field definition.
- Schema::createTableSql in core/lib/ Drupal/ Core/ Database/ Driver/ mysql/ Schema.php 
- Generate SQL to create a new table from a Drupal schema definition.
File
- core/lib/ Drupal/ Core/ Database/ Driver/ mysql/ Schema.php, line 282 
Class
- Schema
- MySQL implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\Core\Database\Driver\mysqlCode
protected function createKeysSql($spec) {
  $keys = [];
  if (!empty($spec['primary key'])) {
    $keys[] = 'PRIMARY KEY (' . $this
      ->createKeySql($spec['primary key']) . ')';
  }
  if (!empty($spec['unique keys'])) {
    foreach ($spec['unique keys'] as $key => $fields) {
      $keys[] = 'UNIQUE KEY `' . $key . '` (' . $this
        ->createKeySql($fields) . ')';
    }
  }
  if (!empty($spec['indexes'])) {
    $indexes = $this
      ->getNormalizedIndexes($spec);
    foreach ($indexes as $index => $fields) {
      $keys[] = 'INDEX `' . $index . '` (' . $this
        ->createKeySql($fields) . ')';
    }
  }
  return $keys;
}