Move and rename DecimalType

[gatesn]

Oof. Moving this type from vortex-scalar to vortex-dtype so we can use it in vortex-vector 😢

[codspeed-hq]

CodSpeed Performance Report

Merging #5120 will improve performances by 12.55%

_{Comparing ngates/decimal-vector (9fe0949) with develop (a0808e7)}

Summary

⚡ 16 improvements
✅ 1302 untouched
🆕 7 new
⏩ 92 skipped¹

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	chunked_dict_primitive_canonical_into[f32, (1000, 10, 100)]	768.8 µs	698.4 µs	+10.08%
⚡	chunked_dict_primitive_canonical_into[u32, (1000, 10, 100)]	789.7 µs	717.7 µs	+10.04%
⚡	chunked_dict_primitive_canonical_into[u32, (1000, 100, 100)]	794.7 µs	721.9 µs	+10.08%
⚡	chunked_dict_primitive_into_canonical[u32, (1000, 10, 100)]	792.7 µs	719.6 µs	+10.17%
⚡	take_indices[(1000, 16, 0.005)]	22 µs	19.6 µs	+12.25%
⚡	take_indices[(1000, 16, 0.01)]	22.2 µs	19.8 µs	+12.01%
⚡	take_indices[(1000, 16, 0.03)]	23.9 µs	21.5 µs	+11.17%
⚡	take_indices[(1000, 256, 0.005)]	21.8 µs	19.4 µs	+12.55%
⚡	take_indices[(1000, 256, 0.01)]	22.1 µs	19.7 µs	+12.24%
⚡	take_indices[(1000, 256, 0.03)]	22.4 µs	20.1 µs	+11.84%
⚡	take_indices[(1000, 4, 0.005)]	24.4 µs	22 µs	+11.09%
⚡	take_indices[(1000, 4, 0.01)]	24.9 µs	22.5 µs	+10.56%
⚡	take_indices[(1000, 4, 0.03)]	26.2 µs	23.8 µs	+10.12%
⚡	take_indices[(10000, 16, 0.005)]	25.6 µs	23.2 µs	+10.38%
⚡	take_indices[(10000, 256, 0.005)]	24 µs	21.6 µs	+10.99%
⚡	take_indices[(10000, 256, 0.01)]	26.1 µs	23.7 µs	+10.16%
🆕	decompress[("alp_for_bp_f64", 0x75e5b0)]	N/A	24.2 ms	N/A
🆕	decompress[("datetime_for_bp", 0x761890)]	N/A	34.9 ms	N/A
🆕	decompress[("dict_fsst_varbin_bp_string", 0x7609a0)]	N/A	14.5 ms	N/A
🆕	decompress[("dict_fsst_varbin_string", 0x760310)]	N/A	14.5 ms	N/A
...	...	...	...	...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.

Footnotes

1. 92 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[codecov]

Codecov Report

❌ Patch coverage is 86.53846% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.23%. Comparing base (a0808e7) to head (9fe0949).
⚠️ Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
vortex-dtype/src/decimal/types.rs	0.00%	6 Missing ⚠️
vortex-duckdb/src/exporter/decimal.rs	80.00%	1 Missing ⚠️

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