refactor: (WIP)exprimental parquet reader #18498
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Summary
This PR introduces an experimental Parquet deserialization component aimed at improving the efficiency of Parquet data deserialization for Fuse tables.
This PR is the first part of a series of improvements.
However, many additional features and capabilities still need to be implemented (TODO: add details todo items).
Initial testing on TPC-H SF 1000 shows that the optimizations are effective:
Comparison of scanning columns of table
lineitem
select col from lineitem ignore_result
To enable to experiment reader
set use_parquet2 = 1
(will be changed to other setting later)Tests
Type of change
This change is