On Thu, Feb 12, 2026 at 6:18 AM Nico Heller <[email protected]> wrote:
> I just checked for hash collisions with the following query today: > > SELECT COUNT(*), hashtextextended(key, 0) FROM > ( > SELECT key FROM table1 > UNION > FWIW, you need UNION ALL, not UNION, if you are trying to detect duplicate values (hashed or not) across tables. Cheers, Greg
