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db2_last_insert_id


(PECL ibm_db2 >= 1.7.1)

db2_last_insert_idReturns the auto generated ID of the last insert query that successfully executed on this connection

Beschreibung

int 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.

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$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