In mem copy rdf graph

[andyfengHKU]

This PR adds in_memory option when copying rdf dataset. In memory version will first cache entire rdf dataset into memory before copying them into different tables. This approach avoids repeated parsing (which is a significant overhead) of rdf dataset.

Additional Changes

• Remove ExtraCopierConfig and store them inside each scan function's bind data respectively. In fact, we only need additional config for CSV reader.
• Regiester 9 rdf reader functions. Out-of-memory version should use the first 4 scan functions. In-memory version uses the fifth function to first scan into memory and then re-scan memory with the first 4 functions (in-memory version).
  • (in memory) scan resource
  • (in memory) scan literal
  • (in memory) scan rrr
  • (in memory) scan url
  • scan all

[codecov]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (9446b7b) 93.27% compared to head (0a35439) 93.26%.

Files	Patch %	Lines
...cessor/operator/persistent/reader/rdf/rdf_scan.cpp	95.86%	5 Missing ⚠️
src/common/copier_config/rdf_reader_config.cpp	70.00%	3 Missing ⚠️
...rocessor/operator/persistent/reader/rdf/rdf_scan.h	92.30%	1 Missing ⚠️
...ssor/operator/persistent/reader/rdf/rdf_reader.cpp	97.95%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2619      +/-   ##
==========================================
- Coverage   93.27%   93.26%   -0.02%     
==========================================
  Files        1036     1041       +5     
  Lines       38870    39033     +163     
==========================================
+ Hits        36257    36405     +148     
- Misses       2613     2628      +15     

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