Same name in other branches

1. 8.9.x core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema::addUniqueKey()
2. 10 core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema::addUniqueKey()
3. 11.x core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema::addUniqueKey()

Creates a unique key, dropping it if already existing.

Parameters

string $table: The table name.

string $name: The index name.

array $specifier: The unique fields.

See also

\Drupal\Core\Database\Schema::addUniqueKey()

File

core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php, line 2543

Class

SqlContentEntityStorageSchema

Defines a schema handler that supports revisionable, translatable entities.

Namespace

Drupal\Core\Entity\Sql

Code

protected function addUniqueKey($table, $name, array $specifier) {
    $schema_handler = $this->database
        ->schema();
    $schema_handler->dropUniqueKey($table, $name);
    $schema_handler->addUniqueKey($table, $name, $specifier);
}

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