adapt column lineage query for symlink dataset

[sophiely]

Problem

👋 Thanks for opening a [pull request]
A dataset with a symlink and column lineage threw an error during listing dataset in a specific namespace:

java.util.NoSuchElementException: No value present
! at java.base/java.util.Optional.get(Optional.java:143)

Closes: I2776

Solution

Change column lineage query in order to take only the 'main' dataset (not the dataset created by symlink).

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)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.47%. Comparing base (d5daf50) to head (5d8bfeb).

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2775   +/-   ##
=========================================
  Coverage     84.47%   84.47%           
  Complexity     1429     1429           
=========================================
  Files           251      251           
  Lines          6460     6460           
  Branches        299      299           
=========================================
  Hits           5457     5457           
  Misses          850      850           
  Partials        153      153           

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[wslulciuc]

Thanks @sophiely for the symlink fix for column lineage. Symlink support in Marquez is a hidden feature that only power users are aware of! I've opened #2796 and #2797 to better document and improve usage.