Specify column types in csv reader and remove arrow status return value from functions

[ray6080]

No description provided.

[codecov]

Codecov Report

Patch coverage: 92.72% and project coverage change: -0.79 ⚠️

Comparison is base (b001e03) 92.61% compared to head (0d1e363) 91.82%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1461      +/-   ##
==========================================
- Coverage   92.61%   91.82%   -0.79%     
==========================================
  Files         655      655              
  Lines       22914    22921       +7     
==========================================
- Hits        21221    21048     -173     
- Misses       1693     1873     +180     

Impacted Files	Coverage Δ
src/storage/copier/rel_copier.cpp	94.62% <82.35%> (-0.97%)	⬇️
src/storage/copier/table_copier.cpp	85.71% <92.53%> (-0.46%)	⬇️
src/include/catalog/catalog_structs.h	98.27% <100.00%> (+0.03%)	⬆️
src/include/storage/copier/node_copier.h	100.00% <100.00%> (ø)
src/include/storage/copier/table_copier.h	100.00% <100.00%> (ø)
src/storage/copier/node_copier.cpp	90.57% <100.00%> (-0.93%)	⬇️

... and 6 files with indirect coverage changes

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