From: Patrice OLIVER <oliverp21@free.fr>
To: pgsql-sql@postgresql.org
Subject: Problem with stored procedure
Date: Thu, 26 Aug 2004 15:07:09 +0200
Message-ID: <412DE07D.1060800@free.fr> (raw)
Hello,
In this example, I use 2 tables :
create table types (
typnum integer primary key,
catcode varchar(2),
typlib varchar(35));
create table uv (
uvnum varchar(5) primary key,
typnum integer,
uvlib varchar(50));
alter table uv
add constraint fk_uv_type foreign key (typnum)
references types (typnum)
on delete restrict on update restrict;
I also use stored procedures :
create function numtype(varchar) returns integer as '
declare
codetype alias for $1;
coderet integer;
begin
select into coderet typnum from types
where typcode = codetype and catcode = ''UV'';
return coderet;
end;
' language 'plpgsql';
create function insert_uv(varchar,varchar,varchar) returns integer as '
declare
codeuv alias for $1;
codetype alias for $2;
libuv alias for $3;
cletype integer;
begin
select into cletype numtype(codeuv);
insert into uv values (codeuv, cletype, libuv);
return cletype;
end;
' language 'plpgsql';
When I do :
select insert_uv('SGBD','DUVC','TEST BD');
I get the following message :
ERROR: insert or update on table "uv" violates foreign key constraint
"fk_uv_caracteri_type"
DETAIL: Key (typnum)=(43) is not present in table "types".
I don't kown why.
Anyone has an idea ?
With best regards,
Patrice
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Subject: Re: Problem with stored procedure
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