public Schema::indexExists($table, $name)
Checks if an index exists in the given table.
Parameters
$table: The name of the table in drupal (no prefixing).
$name: The name of the index in drupal (no prefixing).
Return value
TRUE if the given index exists, otherwise FALSE.
Overrides Schema::indexExists
File
- core/lib/Drupal/Core/Database/Driver/mysql/Schema.php, line 450
Class
- Schema
- MySQL implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\Core\Database\Driver\mysql
Code
public function indexExists($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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