playing with dotnet core 54 - dataStorage21 updateMethod debugging and understanding change tracking
0Description
------------------ Useful Links ------------------------------------
How change tracking is done
https://docs.microsoft.com/en-us/ef/core/change-tracking/
When are changes tracked?
https://docs.microsoft.com/en-us/ef/ef6/saving/change-tracking/auto-detect-changes
Untrack changes using the clear method
https://docs.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.changetracking.changetracker.clear?view=efcore-6.0
Clear method is contained within the ChangeTracker property in DbContext
https://docs.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.dbcontext.changetracker?view=efcore-6.0#microsoft-entityframeworkcore-dbcontext-changetracker
If you want to untrack an individual entity
DbContext Entry method
https://docs.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.dbcontext.entry?view=efcore-6.0
Note: DbContext find method tracks changes
https://docs.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.dbcontext.find?view=efcore-6.0
------------------ Video Sections --------------------------------
Chapters:
0:00 reading the bug description (change tracking)
0:48 changeTracking
1:41 How DbContext works on a high level
6:10 When does DbContext track changes
6:23 How DbContext normally untracks changes (scoped service, dispose of DbContext)
7:21 How DbContext can also be untrack changes
10:14 How i tried debugging my code
20:20 using changeTracker clear to untrack changes before disposing of DbContext
23:30 using entity detached state to untrack changes
30:12 Conclusion
---------------------[Playlists and Relevant Github Repositories]----------------------------------------------
Fluid Mechanics and Git Repos:
https://www.youtube.com/playlist?list=PLhPfNw4V4_YSmdAXc6J0XOSQ1b27qsMGt
https://github.com/theodoreOnzGit/OpenFoam_heatTrf_YouTube
Petroleum Downstream Crash Course Playlist:
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQ13CnhacUqEVk-tZlU4ISE
OpenFOAM for Windows 10 Beginner Playlist and some Git Repos
https://www.youtube.com/playlist?list=PLhPfNw4V4_YRhBU4IqSaToQ8_X543YQsZ
https://github.com/theodoreOnzGit/laminar_BL_OpenFOAM
OpenFOAM Intermediate Playlist and some Git Repos
https://www.youtube.com/playlist?list=PLhPfNw4V4_YSpWX6mSOlwWEOKVa6i_iuE
https://github.com/theodoreOnzGit/thin_pipeflow_snappyHexMesh
OpenFOAM Heat Transfer Playlist and GitHub Repo
https://www.youtube.com/playlist?list=PLhPfNw4V4_YR2Qa3Q9-AzNSF2J9Dc4_qT
https://github.com/theodoreOnzGit/OpenFoam_heatTrf_YouTube
Radiation Heat Transfer Learning Journal and Git Repos:
https://www.youtube.com/watch?v=uUzh9kh-WTo&list=PLhPfNw4V4_YRUUVUydQp-n6U-7uu1kJof
https://github.com/theodoreOnzGit/heatTransferTheory_YouTube
Convection Boundary Layer and git Repos:
https://www.youtube.com/playlist?list=PLhPfNw4V4_YR9pRBpp101Mkuds49vjQ63
https://github.com/theodoreOnzGit/heatTransferTheory_YouTube
Turbulence Modelling Playlist
https://www.youtube.com/watch?v=F_Rxv9uMM3g&list=PLhPfNw4V4_YSnbYkJIBQ1kRN06Mmxe2Be
https://github.com/theodoreOnzGit/turbulenceModelling
LabView Frequency Analysis and Fun (playlist and git repo)
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQYE7XqTisMBkpm7gqNS_nl
https://github.com/theodoreOnzGit/Ted_labview_YouTube
Control Systems and Frequency Response
https://www.youtube.com/watch?v=qHY6y7JmB2U&list=PLhPfNw4V4_YRUuWnrtClovPKxU_gJOXH-
https://github.com/theodoreOnzGit/matlabFrequencyResponse.git
OpenFOAM C++
https://github.com/theodoreOnzGit/C-_YouTube_OpenFoam
https://www.youtube.com/playlist?list=PLhPfNw4V4_YT9OgqS7ZPlot_Ucxzc6pQJ
OpenFOAM Bash
https://github.com/theodoreOnzGit/Bash_OpenFOAM_YouTube
https://www.youtube.com/playlist?list=PLhPfNw4V4_YT5zjBhfj5Hj4r4D5eXilcU
Basic Samba
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQuWJLufBUpNplitReZX0fB
https://github.com/theodoreOnzGit/sambaVideos
Manjaro Tips and Tricks
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQuyXBfJxAvzHJTl0UiWx3h
lammps and Discrete Element Modelling (DEM)
https://www.youtube.com/playlist?list=PLhPfNw4V4_YTdRlnLiu2OUXeTf5ZNVQ9E
playing with dotnet core
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQSTR8sqz0aRVzWlQBq3QUw
dotnet core github repo
https://github.com/theodoreOnzGit/dotnetCoreYoutube