Hello,

  I am getting a few of these errors in my web logs and didn't know what I could do to 
stop it.

NOTICE:  Deadlock detected -- See the lock(l) manual page for a possible cause.

Error in query "UPDATE <table> SET <field> = <value> WHERE <field2> = <value2>" : 
ERROR:  WaitOnLock: error on wakeup - Aborting this transaction

Is this due to the hash index on field2 or due to the has index in general?  I read in 
the mailing archive back in '98 (referring to v6.5) that hash index were bad, is this 
still the case and should I switch to btree?  I have tried to wrap the update 
statement with BEGIN; <statement>; END; and get the same results.

System:
  Linux: 2.2.18
  PostgreSQL: 7.0.3
  gcc: 2.95.2
  libc-2.1.3

Thanks,

Brian

BTW, on a different table I get this warning ever time I vacuum the database. It 
doesn't seem to cause a problem, but didn't know how to get rid of it.  

NOTICE:  Index <indexname>: NUMBER OF INDEX' TUPLES (214) IS NOT THE SAME AS HEAP' 
(215).
        Recreate the index.


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