Assume I have an UPDATE statement that looks like
UPDATE foo
SET
pattern = '$pattern',
shape = '$shape',
length = $length,
comment = '$comment'
WHERE foo_id = $foo_id
and length is defined as NUMERIC. Is there any kind of magic that
would allow me to use the SQL above as is even if $length is not
defined? In other words, I'd like to avoid having to modify the SQL
to include or not include "length = $length" based on whether or not
$length is defined as it's acceptable for it to be NULL in foo.
I can't say "length = '$length'" as '' is not valid input for NUMERIC.
Hope that makes sense?
Thanks.
--
Brandon
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