protected function Schema::createKeysSql in Drupal 9

Same name and namespace in other branches

1. 8 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 279

Class

Schema

MySQL implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\Core\Database\Driver\mysql

Code

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;
}