From: Karthikeyan Sundaram <skarthi98@hotmail.com>
To: postgres admin <pgsql-admin@postgresql.org>
To: postgres sql <pgsql-sql@postgresql.org>
Subject: Question on pgpsql function
Date: Sun, 8 Apr 2007 12:47:42 -0700
Message-ID: <BAY131-W13C024D09AE528E6496EECB05A0@phx.gbl> (raw)
Hi Everybody,
I am using Postgres 8.1.0 and I have a requirement.
I have a table
create table weekly_tbl (id int, week_flag bit(7) not null default '1111111');
I want to create a function like this
create function week_func (int) returns weekly_tbl as
$$
select id,
substr(week_flag,1,1) as monday_flag,
substr(week_flag,2,1) as tuesday_flag,
substr(week_flag,3,1) as wednesday_flag,
substr(week_flag,4,1) as thursday_flag,
substr(week_flag,5,1) as friday_flag,
substr(week_flag,6,1) as saturday_flag,
substr(week_flag,7,1) as sunday_flag
from weekly_tbl where id=$1;
$$
language SQL;
I am getting an error message
ERROR: function substr(bit, integer, integer) does not existHINT: No function matches the given name and argument types. You may need to add explicit type casts.CONTEXT: SQL function "week_func"
I know I can do this in view. But for a purpose, I don't want to do it in view. Can somebody help me?
Regards
skarthi
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Subject: Re: Question on pgpsql function
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