asyncPoll method

int? asyncPoll(
  1. int requestId
)

Polls async request status.

Status values: 0 pending, 1 ready, -1 error, -2 cancelled.

Implementation

int? asyncPoll(int requestId) {
  if (!_bindings.supportsAsyncExecuteApi) {
    return null;
  }
  final outStatus = malloc<ffi.Int32>()..value = 0;
  try {
    final code = _bindings.odbc_async_poll(requestId, outStatus);
    if (code != 0) {
      return null;
    }
    return outStatus.value;
  } finally {
    malloc.free(outStatus);
  }
}