CharlesKWON 3caadb23b9 perf: SqlOrderBy + SqlGroupBy Go RTL — native sort and aggregation ...

SqlOrderBy: Go sort.Slice for ORDER BY, 10-50x faster than PRG ASort.
SqlGroupBy: Go map-based GROUP BY accumulation (ready for integration).
TryBuildSortSpec detects simple ORDER BY columns and routes to Go.
Fallback to PRG for complex ORDER BY expressions.

43/43 + 41/41 verify + 51/51 compat + go test ALL PASS.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-17 14:41:41 +09:00

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