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Re: bitfromint4() in v7.2.3 to bit() in v8.1?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Björn Þór Jónsson <bangsi(at)bthj(dot)is>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: bitfromint4() in v7.2.3 to bit() in v8.1?
Date: 2009-04-21 14:00:56
Message-ID: 1051.1240322456@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
=?ISO-8859-1?B?Qmr2cm4g3vNyIErzbnNzb24=?= <bangsi(at)bthj(dot)is> writes:
> In version 7.2.3 this works fine:

> select substring(bitfromint4(cast (-2^31 + 22 as int4)), 1, 32);

> and now I'm porting the legacy code, that this line is part of, to version
> 8.1 but am having no luck updating it - have tried something like:

Use a cast, eg

regression=# select cast (-2^31 + 22 as int4)::bit(32);
               bit                
----------------------------------
 10000000000000000000000000010110
(1 row)


			regards, tom lane

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