The ideal thing would be for GIN to return a count of the number of distinct heap tuples referenced by the entries in the index, but I suppose that would be impractical for VACUUM to compute.
Of course, in this case we should collect heap pointers in memory.. -- Teodor Sigaev E-mail: [EMAIL PROTECTED] WWW: http://www.sigaev.ru/ ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match