--On Freitag, März 06, 2009 02:26:12 +0100 Andreas 'ads' Scherbaum
<adsm...@wars-nicht.de> wrote:
test=# select is_valid('978-3-937514-69-6'::isbn13);
ERROR: invalid check digit for ISBN number: "978-3-937514-69-6",
should be 7 ROW 1: select is_valid('978-3-937514-69-6'::isbn13);
According to the docs, this is intended behavior. If you want to validate
those values later or yourself, you have to use the weak mode:
#= SELECT isn_weak(true);
isn_weak
----------
t
#= SELECT is_valid('978-3-937514-69-6'::isbn13);
is_valid
----------
f
#= SELECT is_valid('978-3-937514-69-7'::isbn13);
is_valid
----------
t
--
Thanks
Bernd
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