From: Bricklen Anderson <BAnderson@PresiNET.com>
To: dpandey@secf.com
Cc: PostgreSQL <pgsql-sql@postgresql.org>
Subject: Re: Create connection with Oracle database from Postgres plpgsql
Date: Tue, 05 Jul 2005 07:26:15 -0700
Message-ID: <42CA9887.7000603@PresiNET.com> (raw)
In-Reply-To: <20050705094703.4EFF85280B@svr1.postgresql.org>
References: <20050705094703.4EFF85280B@svr1.postgresql.org>
Dinesh Pandey wrote:
> How can we create connection with Oracle database from Postgres plpgsql
> function and execute some oracle stored procedure?
>
> Thanks
> Dinesh
You can use perl DBI to access Oracle, providing you have DBI and the plperlu
language installed.
Sample code that may help you get started (lookout for typos):
create or replace function connect_ora() returns void as $$
use DBI;
&main;
sub main {
my $query="select 1 from dual";
my $dbh=openDatabase();
if ($dbh==0) { return; }
my $sth = $dbh->prepare( $query, {ora_check_sql => 0} ) || elog NOTICE, "Can't
prepare SQL statement: $DBI::errstr\n";
$sth->execute() || elog ERROR, "Cant execute SQL statement: $DBI::errstr\n";
my $array_ref = $sth->fetchall_arrayref();
$sth->finish();
$dbh->disconnect() || elog WARNING, "Disconnection from db failed\n";
RETURN;
}
sub openDatabase {
$dbh =
DBI->connect_cached("dbi:Oracle:host=<host>;sid=<sid>;port=<port>",<ora_username>,<ora_pwd>)
|| elog ERROR, $DBI::errstr;
$dbh->{RowCacheSize} = 100;
return $dbh;
}
$$ language plperlu;
Customize as you see fit. YMMV
--
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To: pgsql-sql@postgresql.org
Cc: BAnderson@PresiNET.com, dpandey@secf.com
Subject: Re: Create connection with Oracle database from Postgres plpgsql
In-Reply-To: <42CA9887.7000603@PresiNET.com>
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