Jeff MacDonald <jeff(at)hub(dot)org> writes:
> i noticed that substr behaves a bit different in pgsql than perl
> ie select foo from table where substr(foo,1,1) = 'X';
> just wondering on the reasoning for this offset ?
Larry Wall and the SQL92 authors didn't talk to each other...
We are implementing SQL around here, not Perl, so we have to follow
the SQL spec's definition of substr().
regards, tom lane