• Tom Lane's avatar
    Add the full set of comparison functions for type TID, including a btree · 0144eb92
    Tom Lane authored
    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
    0144eb92
builtins.h 35.5 KB