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Re: what is good solution for support NULL inside string_to_array function?

Josh Berkus <josh@agliodbs.com>

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From: Josh Berkus <josh@agliodbs.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-05-04T00:55:06Z
Lists: pgsql-hackers 
> quietly removing NULL is maybe good for compatibility but is wrong for
> functionality. 

I agree.  I wasn't aware of this little misfeature.

Default display for NULL should be a zero-length string.

-- 
                                  -- Josh Berkus
                                     PostgreSQL Experts Inc.
                                     http://www.pgexperts.com