executeAsyncStart method
Starts non-blocking query execution and returns async request ID.
Returns null when API is unavailable. Returns 0 on native failure.
Implementation
int? executeAsyncStart(int connectionId, String sql) {
if (!_bindings.supportsAsyncExecuteApi) {
return null;
}
return _withSql<int>(
sql,
(sqlPtr) => _bindings.odbc_execute_async(connectionId, sqlPtr),
);
}