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 exist
HINT: 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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