KoolElmout

+1

Thank. Yes you are right, the JOIN statement eliminate the 0 message count topic. I added a dedicated SQL query to specifically detect this case. : https://github.com/KoolElmout/rosbag2/blob/humble/rosbag2_storage_default_plugins/src/rosbag2_storage_default_plugins/sqlite/sqlite_storage.cpp

This generates the topics with message_count:0 inside the metadate.yaml. (I notice some error with colcon test, i am working on it but my patch already solve the problem)

I solve all but 1 problem during colcon test. https://github.com/KoolElmout/rosbag2/blob/humble/rosbag2_storage_default_plugins/src/rosbag2_storage_default_plugins/sqlite/sqlite_storage.cpp And here it is a dilemma that should be assert by the team working on the ros2 play. The awaited...

OK, i truly needed this function that i took the lead over the team (sorry). I implement the 2nd solution. On re-index only the patch is applied. All colcon test...