I am trying to do an update on column in a table with 1.5 millions rows.

The SQL is as follows, I am also putting it in a transaction in case things
go wrong.

begin;
update statistics set parameters = NULL where parameters ='';

An explain produces the following: -
Seq Scan on statistics  (cost=0.00..56174.49 rows=14976 width=88)

Would anyone be able to tell me why it is seemingly infinite, i'm running
linux, postgres v7.0

Cheers 

Graham

winmail.dat


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