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Bug #37037 pgsql: Can't access result returned from an INSERT
Submitted: 2006-04-11 10:30 UTC Modified: 2006-12-30 02:34 UTC
From: shadda at gmail dot com Assigned:
Status: Wont fix Package: PDO related
PHP Version: 5.1.3RC2 OS: Debian 3.1
Private report: No CVE-ID: None
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 [2006-04-11 10:30 UTC] shadda at gmail dot com
I'm using PostgreSQL 8.1.2, on Debian Sid. In my database, I have a table with a RULE on inserts...

CREATE RULE test_rule AS 
   ON INSERT TO test_table

When a new row is inserted to this table, it returns the ID (currval) of the new row. This works from PSQL, DBI (perl), and JDBC, aswell as the standard Pgsql extension in PHP.

From PDO, however, when calling PDOStatement::Fetch() after an insert, only an empty array is returned, and not the resultset I was expecting.

Reproduce code:
create table test_table ( id serial primary key );
create rule test_rule as on insert to test_table do also select;

postgres@Xanadu:/$ php -r '
$db = new PDO("pgsql:host=localhost;user=xoom;password=1914;dbname=general");
$q = $db->query("insert into foo default values");

Expected result:
array(2) {
  string(2) "10"
  string(2) "10"

Actual result:
array(0) {


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 [2006-04-11 10:36 UTC] shadda at gmail dot com
Just a quick note -- in the above insert statement, the table should be 'test_table'
 [2006-05-01 01:08 UTC]
The issue related to native prepared statements not describing that magical result set.


$stmt = $db->prepare("insert into test_table default values", array(

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