mirror of
https://github.com/postgres/postgres.git
synced 2025-05-06 19:59:18 +03:00
opclass. This is not so much because anyone's likely to create an index on TID, as that sorting TIDs can be useful. Also added max and min aggregates while at it, so that one can investigate the clusteredness of a table with queries like SELECT min(ctid), max(ctid) FROM tab WHERE ... Greg Stark and Tom Lane