version history: deduplicate the versions displayed

[namyyys]

Problem

In the version history, a dataset will sometimes have the same version displayed multiple times.

After investigating, i found out that this comes from the join clause between the dataset_versions and datasets_view in this function. The symlinks are included in the datasets_view using the same uuid as the dataset and so are displayed in the same logic as the primary dataset.

Solution

• Exclude the symlinks from the result of the query to display the version history
• this will be done by creating a CTE 'dataset_symlinks_names' with all the symlinks name. Then we check that all the datasets name included in the list of version does not have a symlink name (and so is not a symlink)

For the same dataset in the above example we have now this display

One-line summary:

Checklist

• You've signed-off your work
• Your changes are accompanied by tests (if relevant)
• Your change contains a small diff and is self-contained
• You've updated any relevant documentation (if relevant)
• You've included a one-line summary of your change for the CHANGELOG.md (Depending on the change, this may not be necessary).
• You've versioned your .sql database schema migration according to Flyway's naming convention (if relevant)
• You've included a header in any source code files (if relevant)

[boring-cyborg]

Thanks for opening your first pull request in the Marquez project! Please check out our contributing guidelines (https://github.com/MarquezProject/marquez/blob/main/CONTRIBUTING.md).

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.74%. Comparing base (8010387) to head (826ed70).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2854   +/-   ##
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  Coverage     84.74%   84.74%           
  Complexity     1456     1456           
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  Files           253      253           
  Lines          6562     6562           
  Branches        305      305           
=========================================
  Hits           5561     5561           
  Misses          850      850           
  Partials        151      151           

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[phixMe]

Remove log statement here.

[namyyys]

i pushed a new version removing the log statement

[phixMe]

Thanks for the change, happy to merge after the log is removed!

[phixMe]

Thanks for the fix! 💯 👍

[boring-cyborg]

Great job! Congrats on your first merged pull request in the Marquez project!