Perf improvements for TPC-H ingestion

[jzombie]

No description provided.

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	cargo/​rust_decimal@​1.39.0

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[codspeed-hq]

CodSpeed Performance Report

Merging #176 will degrade performances by 14.74%

_{Comparing 67-continue-tpch-support--perf (49fa20b) with main (4dc34c1)}

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

Summary

⚡ 12 improvements
❌ 4 regressions
✅ 59 untouched
⏩ 2 skipped¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Mode	Benchmark	BASE	HEAD	Change
⚡	WallTime	hash_join_anti_join[1000]	86.1 µs	74.6 µs	+15.51%
⚡	WallTime	hash_join_inner_join[1000000]	279.7 ms	207.9 ms	+34.54%
❌	WallTime	hash_join_inner_join[100000]	14 ms	15.6 ms	-10.12%
⚡	WallTime	hash_join_left_join[1000000]	158 ms	135.2 ms	+16.88%
❌	WallTime	hash_join_left_join[100000]	8.8 ms	10.1 ms	-13.41%
⚡	WallTime	hash_join_left_join[1000]	152.7 µs	136.7 µs	+11.7%
❌	WallTime	hash_join_many_to_many[100000]	15.1 ms	16.8 ms	-10.04%
⚡	WallTime	hash_join_many_to_many[1000]	181.5 µs	160.9 µs	+12.81%
⚡	WallTime	hash_join_no_matches[1000000]	267.1 ms	214.4 ms	+24.62%
⚡	WallTime	hash_join_no_matches[1000]	164 µs	140 µs	+17.16%
⚡	WallTime	hash_join_semi_join[10000]	250.3 µs	199.5 µs	+25.47%
⚡	WallTime	hash_join_semi_join[1000]	82 µs	59.1 µs	+38.67%
⚡	WallTime	ingest_mixed_1M[batches=1]	209.2 ms	189.7 ms	+10.29%
❌	WallTime	ingest_mixed_1M[batches=64]	809.9 ms	950 ms	-14.74%
⚡	WallTime	scan_stream_expr_divide_two	1.1 ms	1 ms	+10.46%
⚡	WallTime	scan_stream_expr_multiply_two	1.1 ms	1 ms	+10.26%

Footnotes

1. 2 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. ↩