Existing partition skip predicate

[Will-Lo]

Dear Gobblin maintainers,

Please accept this PR. I understand that it will not be reviewed until I have checked off all the steps below!

JIRA

• My PR addresses the following Gobblin JIRA issues and references them in the PR title. For example, "[GOBBLIN-XXX] My Gobblin PR"
  • https://issues.apache.org/jira/browse/GOBBLIN-XXX

Description

• Here are some details about my PR, including screenshots (if applicable):

Tests

• My PR adds the following unit tests OR does not need testing for this extremely good reason:

Commits

• My commits all reference JIRA issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "How to write a good git commit message":
  1. Subject is separated from body by a blank line
  2. Subject is limited to 50 characters
  3. Subject does not end with a period
  4. Subject uses the imperative mood ("add", not "adding")
  5. Body wraps at 72 characters
  6. Body explains "what" and "why", not "how"

[codecov-commenter]

Codecov Report

Merging #22 (08b3c24) into master (7b29ce2) will decrease coverage by 0.00%.
The diff coverage is 43.75%.

@@             Coverage Diff              @@
##             master      #22      +/-   ##
============================================
- Coverage     46.71%   46.70%   -0.01%     
- Complexity    10424    10437      +13     
============================================
  Files          2080     2082       +2     
  Lines         81305    81453     +148     
  Branches       9072     9090      +18     
============================================
+ Hits          37982    38043      +61     
- Misses        39824    39901      +77     
- Partials       3499     3509      +10     

Impacted Files	Coverage Δ
...bblin/cluster/GobblinClusterConfigurationKeys.java	0.00% <ø> (ø)
...pache/gobblin/iceberg/writer/GobblinMCEWriter.java	75.55% <ø> (-0.56%)	⬇️
...n/java/org/apache/gobblin/yarn/YarnHelixUtils.java	23.52% <0.00%> (-3.14%)	⬇️
...apache/gobblin/yarn/event/NewContainerRequest.java	0.00% <0.00%> (ø)
...main/java/org/apache/gobblin/yarn/YarnService.java	14.82% <8.98%> (-0.65%)	⬇️
...kunit/packer/KafkaTopicGroupingWorkUnitPacker.java	38.05% <9.09%> (-2.27%)	⬇️
...pache/gobblin/cluster/GobblinHelixJobLauncher.java	64.84% <16.66%> (-2.37%)	⬇️
...completeness/verifier/KafkaAuditCountVerifier.java	51.16% <25.00%> (-2.69%)	⬇️
.../org/apache/gobblin/cluster/GobblinTaskRunner.java	63.63% <42.85%> (+0.17%)	⬆️
...opy/predicates/ExistingPartitionSkipPredicate.java	50.00% <50.00%> (ø)
... and 17 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7b29ce2...08b3c24. Read the comment docs.