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Re: Possible to insert quoted null value into integer field?

From: "gnari" <gnari(at)simnet(dot)is>
To: "Pablo S" <pablo_tweek(at)yahoo(dot)com>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: Possible to insert quoted null value into integer field?
Date: 2004-08-26 08:27:59
Message-ID: 007901c48b46$9840c650$0100000a@wp2000 (view raw or flat)
Thread:
Lists: pgsql-general
"Pablo S" <pablo_tweek(at)yahoo(dot)com> wrote:


> Hi all, I have search high and low on this - 
> 
> Take for instance the statement : 
> 
> insert into foo (text1, text2, int1) values ('Foo', 'Bar', '');
> 
> On Pg 7.2.x, the db would happily insert the null val into the int
> field.  HOWSOMEVER, 7.4.x will explode and error back with:
> 
> "DBD::Pg::st execute failed: ERROR: invalid input syntax for integer:
> "" at /cgi-bin/foo line xxx"
> 
> I see what it is complaining about but I am wondering if there is any
> way to roll back this feature, as I have this cheesy bit of perl that
> dynamically builds the query and quotes everything and I don't want to
> have to change all occurrences to insert the NULL or worse yet try to
> differentiate between int/string.

if all else fails, you might use a view mirroring the original
table, but with int1 defined as varchar, with rules handling the
conversion at insert/update.

gnari



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