query function
Implementation
Future<List?> query(String sql, [List bind = const []]) async {
await _inited;
/*
const [] parameter will cause error
Error: DataCloneError: Failed to execute 'postMessage' on 'Worker': function Array() { [native code] } could not be cloned.
so I had to change the bind to none-constant value
*/
var params = List.from(bind);
var promise = callSqlite('exec', [sql, params]);
var result = await promiseToFuture(promise);
var rtn = [];
for (var row in result) {
var d = dartify(row) as Map;
rtn.add(d);
}
return rtn;
}