protected function DbDumpCommand::getTableCollation in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Command/DbDumpCommand.php \Drupal\Core\Command\DbDumpCommand::getTableCollation()

Set the table collation.

Parameters

\Drupal\Core\Database\Connection $connection: The database connection to use.

string $table: The table to find indexes for.

array &$definition: The schema definition to modify.

1 call to DbDumpCommand::getTableCollation()

DbDumpCommand::getTableSchema in core/lib/Drupal/Core/Command/DbDumpCommand.php

Returns a schema array for a given table.

File

core/lib/Drupal/Core/Command/DbDumpCommand.php, line 273

Class

DbDumpCommand

Provides a command to dump the current database to a script.

Namespace

Drupal\Core\Command

Code

protected function getTableCollation(Connection $connection, $table, &$definition) {

  // Remove identifier quotes from the table name. See
  // \Drupal\Core\Database\Driver\mysql\Connection::$identifierQuotes.
  $table = trim($connection
    ->prefixTables('{' . $table . '}'), '"');
  $query = $connection
    ->query("SHOW TABLE STATUS WHERE NAME = :table_name", [
    ':table_name' => $table,
  ]);
  $data = $query
    ->fetchAssoc();

  // Map the collation to a character set. For example, 'utf8mb4_general_ci'
  // (MySQL 5) or 'utf8mb4_0900_ai_ci' (MySQL 8) will be mapped to 'utf8mb4'.
  list($charset, ) = explode('_', $data['Collation'], 2);

  // Set `mysql_character_set`. This will be ignored by other backends.
  $definition['mysql_character_set'] = $charset;
}