[DRAFT] Add a new option to parquet reader to treat binaries as UTF-8 text

[gortiz]

This PR adds a new property called treatBinaryAsString to ParquetRecordReaderConfig. This property is an optional boolean. If it is true, then the import process will treat all binary columns as texts.

See #9081

[codecov-commenter]

Codecov Report

Merging #9112 (5c4b45b) into master (f473bf6) will decrease coverage by 2.86%.
The diff coverage is n/a.

❗ Current head 5c4b45b differs from pull request most recent head 166b3d8. Consider uploading reports for the commit 166b3d8 to get more accurate results

@@             Coverage Diff              @@
##             master    #9112      +/-   ##
============================================
- Coverage     69.96%   67.09%   -2.87%     
- Complexity     4764     4815      +51     
============================================
  Files          1859     1381     -478     
  Lines         99118    71945   -27173     
  Branches      15074    11519    -3555     
============================================
- Hits          69346    48273   -21073     
+ Misses        24861    20167    -4694     
+ Partials       4911     3505    -1406     

Flag	Coverage Δ
integration1	?
integration2	?
unittests1	67.09% <ø> (+0.01%)	⬆️
unittests2	?

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Impacted Files	Coverage Δ
...va/org/apache/pinot/core/routing/RoutingTable.java	0.00% <0.00%> (-100.00%)	⬇️
...va/org/apache/pinot/common/config/NettyConfig.java	0.00% <0.00%> (-100.00%)	⬇️
...a/org/apache/pinot/common/metrics/MinionMeter.java	0.00% <0.00%> (-100.00%)	⬇️
...g/apache/pinot/common/metrics/ControllerMeter.java	0.00% <0.00%> (-100.00%)	⬇️
.../apache/pinot/common/metrics/BrokerQueryPhase.java	0.00% <0.00%> (-100.00%)	⬇️
.../apache/pinot/common/metrics/MinionQueryPhase.java	0.00% <0.00%> (-100.00%)	⬇️
...ache/pinot/server/access/AccessControlFactory.java	0.00% <0.00%> (-100.00%)	⬇️
...he/pinot/common/messages/SegmentReloadMessage.java	0.00% <0.00%> (-100.00%)	⬇️
...he/pinot/common/messages/TableDeletionMessage.java	0.00% <0.00%> (-100.00%)	⬇️
...pinot/core/data/manager/realtime/TimerService.java	0.00% <0.00%> (-100.00%)	⬇️
... and 714 more

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[Jackie-Jiang]

Should we consider adding the charSetName (default to utf8) in case the string is using a different encoding?