Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom, I can't find any cases where 7 or 9 are used to represent the
> maximum number of attributes indexed.
Could be they're all gone; I know I've seen some in the past though.
Some brave soul should try increasing the constant and then using
indexes with > 8 columns... better compile -g and --enable-casserts ;-)
regards, tom lane