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IBM DB2 Funktionen
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# db2_last_insert_id

(PECL ibm_db2 >= 1.7.1)

db2_last_insert_id — Returns the auto generated ID of the last insert query that successfully executed on this connection

### Beschreibung

string db2_last_insert_id ( resource `$resource` )

Returns the auto generated ID of the last insert query that successfully executed on this connection.

The result of this function is not affected by any of the following:

- A single row INSERT statement with a VALUES clause for a table without an identity column.

- A multiple row INSERT statement with a VALUES clause.

- An INSERT statement with a fullselect.

- A ROLLBACK TO SAVEPOINT statement.

### Parameter-Liste

`resource`

  A valid connection resource as returned from db2_connect() or db2_pconnect(). The value of this parameter cannot be a statement resource or result set resource.

### Rückgabewerte

Returns the auto generated ID of last insert query that successfully executed on this connection.

### Beispiele

Beispiel #1 A db2_last_insert_id() example

The following example shows how to return the auto generated ID of last insert query that successfully executed on this connection.

`<?php
$database = "SAMPLE";
$user = "db2inst1";
$password = "ibmdb2";
$conn = db2_connect($database, $user, $password);
if($conn) {
$createTable = "CREATE TABLE lastInsertID
(id integer GENERATED BY DEFAULT AS IDENTITY, name varchar(20))";
$insertTable = "INSERT INTO lastInsertID (name) VALUES ('Temp Name')";
$stmt = @db2_exec($conn, $createTable);
/* Checking for single row inserted. */
$stmt = db2_exec($conn, $insertTable);
$ret = db2_last_insert_id($conn);
if($ret) {
echo "Last Insert ID is : " . $ret . "\n";
} else {
echo "No Last insert ID.\n";
}
db2_close($conn);
}
else {
echo "Connection failed.";
}
?>`

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

    Last Insert ID is : 1

db2_get_option
db2_lob_read
IBM DB2 Funktionen
PHP Manual