Re: BIN()

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From: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Michael Fuhr <mike(at)fuhr(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: BIN()
Date: Wed, 30 Nov 2005 11:40:20 +0800
Message-id: <438D1F24(dot)5070407(at)familyhealth(dot)com(dot)au>



Tom Lane wrote:

Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> writes:

test=> SELECT ltrim(textin(bit_out(12::bit(64))), '0');

ltrim-------

1100
(1 row)

Sweeeeet.  Good old i/o functions.



Who needs the I/O functions?  Just cast int to bit(n).

Then how do you remove all leading zeros, and make sure you choose ahigh enough 'n'?


Chris

References:
- BIN()
  - From: Christopher Kings-Lynne
- Re: BIN()
  - From: Andrew Dunstan
- Re: BIN()
  - From: Michael Fuhr
- Re: BIN()
  - From: Michael Fuhr
- Re: BIN()
  - From: Christopher Kings-Lynne
- Re: BIN()
  - From: Tom Lane

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