mirror of
https://github.com/dart-lang/sdk
synced 2024-09-05 00:13:50 +00:00
![Daco Harkes](/assets/img/avatar_default.png)
The sample wasn't working for the longest time. Fixes: - Null safety, and late fields. - `dart pub` instead of `pub`. - Use the new `NativeFinalizer` and `Finalizable` features. Change-Id: I0a397abae511ab3f6762d1b2c4047226d15e36d6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/143804 Commit-Queue: Daco Harkes <dacoharkes@google.com> Reviewed-by: Michael Thomsen <mit@google.com>
1.4 KiB
1.4 KiB
Sample code dart:ffi
This is an illustrative sample for how to use dart:ffi
.
Prerequirement
For Windows, Linux, and MacOS, you should make sure, sqlite dev lib installed on your system.
Windows user can download dll from https://www.sqlite.org/download.html
If you do not have any sqlite3.dll or so file, you may found error message:
Unhandled exception:
Invalid argument(s): Failed to load dynamic library (126)
#0 _open (dart:ffi-patch/ffi_dynamic_library_patch.dart:13:55)
#1 new DynamicLibrary.open (dart:ffi-patch/ffi_dynamic_library_patch.dart:22:12)
Building and Running this Sample
Building and running this sample is done through pub.
Running dart run example/main
should produce the following output.
$ dart run example/main
1 Chocolade chip cookie Chocolade cookie foo
2 Ginger cookie null 42
3 Cinnamon roll null null
1 Chocolade chip cookie Chocolade cookie foo
2 Ginger cookie null 42
expected exception on accessing result data after close: The result has already been closed.
expected this query to fail: no such column: non_existing_column (Code 1: SQL logic error)
Tutorial
A tutorial walking through the code is available in docs/sqlite-tutorial.md. For information on how to use this package within a Flutter app, see docs/android.md. (Note: iOS is not yet supported).