function Schema::indexExists

Same name in this branch
  1. 9 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::indexExists()
  2. 9 core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::indexExists()
  3. 9 core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefakeWithAllCustomClasses/Schema.php \Drupal\corefake\Driver\Database\corefakeWithAllCustomClasses\Schema::indexExists()
  4. 9 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::indexExists()
Same name and namespace in other branches
  1. 11.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::indexExists()
  2. 11.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::indexExists()
  3. 11.x core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::indexExists()
  4. 11.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::indexExists()

File

core/modules/mysql/src/Driver/Database/mysql/Schema.php, line 489

Class

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

Namespace

Drupal\mysql\Driver\Database\mysql

Code

public function indexExists($table, $name) {
  // Returns one row for each column in the index. Result is string or FALSE.
  // Details at http://dev.mysql.com/doc/refman/5.0/en/show-index.html
  $row = $this->connection
    ->query('SHOW INDEX FROM {' . $table . '} WHERE key_name = ' . $this->connection
    ->quote($name))
    ->fetchAssoc();
  return isset($row['Key_name']);
}

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