Re: [HACKERS] string_to_array with empty input

From: Justin <justin(at)emproshunts(dot)com>
To: Martin Gainty <mgainty(at)hotmail(dot)com>
Cc: robertmhaas(at)gmail(dot)com, Tom State of Pa <tgl(at)sss(dot)pgh(dot)pa(dot)us>, stark(at)enterprisedb(dot)com, Sam Mason <sam(at)samason(dot)me(dot)uk>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [HACKERS] string_to_array with empty input
Date: 2009-04-01 20:54:26
Message-ID: 49D3D482.8070601@emproshunts.com
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Martin Gainty wrote:
<blockquote cite="mid:BLU142-W15179F226ED6BF8A1854D9AE8B0(at)phx(dot)gbl"
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<tt class="LITERAL">Split strings into array elements using provided
delimiter<br>
<br>
string_to_array('xx~^~yy~^~zz', '~^~') <br>
output: </tt><tt class="LITERAL">{xx,yy,zz}</tt><br>
<br>
<a class="moz-txt-link-freetext" href="http://www.postgresql.org/docs/8.3/interactive/functions-array.html">http://www.postgresql.org/docs/8.3/interactive/functions-array.html</a><br>
<br>
</blockquote>
Sorry thats not the question i'm asking.&nbsp; <br>
<br>
We are debating if it makes sense to change the output in certain
cases.&nbsp; <br>
<br>
I'm for not returning nulls or returning zero element array.&nbsp; <br>
<br>
I'm asking how is the other better by giving a real world example???&nbsp; I
don't see the plus side at the moment. <br>
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