Master find duplicate records

[wangtaohz]

Why are the changes needed?

(For example: The Arctic Flink dataStream API has already supported this configuration: 'scan.startup.mode', but it is not available with Flink SQL. We should expose this configuration to users when they are using Flink SQL.)

Brief change log

(For example:)

• Add the 'scan.startup.mode' configuration to the ArcticScanContext in the flink modules
• The Flink 1.12 and 1.14 versions are affected.
• Add the documentation in the flink chapter

How was this patch tested?

• Add some test cases that check the changes thoroughly including negative and positive cases if possible

• Add screenshots for manual tests if appropriate

• Run test locally before making a pull request

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

[codecov-commenter]

Codecov Report

Merging #15 (e68229b) into master (333434d) will decrease coverage by 2.35%.
Report is 1 commits behind head on master.
The diff coverage is n/a.

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@@             Coverage Diff              @@
##             master      #15      +/-   ##
============================================
- Coverage     51.01%   48.67%   -2.35%     
+ Complexity     3765      582    -3183     
============================================
  Files           467       46     -421     
  Lines         25334     4368   -20966     
  Branches       2578      508    -2070     
============================================
- Hits          12924     2126   -10798     
+ Misses        11249     2009    -9240     
+ Partials       1161      233     -928     

Flag	Coverage Δ
core	?
trino	48.67% <ø> (-0.05%)	⬇️

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see 422 files with indirect coverage changes