Go-native multi-table hash join bypasses per-row PRG overhead. TryGoJoin detects equi-join + plain-col SELECT, aggregate cols get placeholder. 2-way 73→3ms, 3-way 3.9s→61ms. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Go-native multi-table hash join bypasses per-row PRG overhead. TryGoJoin detects equi-join + plain-col SELECT, aggregate cols get placeholder. 2-way 73→3ms, 3-way 3.9s→61ms. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>