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

Merlin Moncure <mmoncure@gmail.com>

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From: Merlin Moncure <mmoncure@gmail.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Josh Berkus <josh@agliodbs.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-05-04T14:24:45Z
Lists: pgsql-hackers 
On Tue, May 4, 2010 at 10:05 AM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> and then string_to_array and array_to_string are orthogonal with NULL.

I like the behavior, but should it share the name with the 2 argument
version given the incompatibility? Maybe make a new function
to_string(anyarray, sep, nullsym='') and deprecate the old one?

merlin