createIndex method
Create an index
Implementation
Future<void> createIndex(
String indexName,
String table,
List<String> columns, {
bool unique = false,
}) async {
final uniqueStr = unique ? 'UNIQUE ' : '';
final columnsStr = columns.join(', ');
await executor.runCustom(
'CREATE ${uniqueStr}INDEX $indexName ON $table($columnsStr)');
}