use arrow to query data

[wangfenjin]

Change-Id: I0a462b3c6f83f7bf1ca8f21bf651ba437229e740

[codecov]

Codecov Report

Merging #8 (103e597) into main (52a5e26) will decrease coverage by 2.27%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main       #8      +/-   ##
==========================================
- Coverage   67.04%   64.76%   -2.28%     
==========================================
  Files          22       22              
  Lines        1784     1910     +126     
==========================================
+ Hits         1196     1237      +41     
- Misses        588      673      +85     

Impacted Files	Coverage Δ
libduckdb-sys/build.rs	0.00% <ø> (ø)
src/types/value.rs	3.77% <0.00%> (-0.40%)	⬇️
src/types/value_ref.rs	37.66% <0.00%> (-9.12%)	⬇️
src/types/mod.rs	74.46% <28.57%> (-4.19%)	⬇️
src/row.rs	59.82% <36.69%> (-19.86%)	⬇️
src/statement.rs	89.23% <62.50%> (+3.07%)	⬆️
src/raw_statement.rs	63.52% <72.91%> (+7.38%)	⬆️
src/error.rs	22.00% <90.00%> (+7.22%)	⬆️
src/column.rs	61.22% <100.00%> (-2.57%)	⬇️
src/inner_connection.rs	72.54% <100.00%> (+0.85%)	⬆️
... and 2 more

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