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DB_common::createSequence()

DB_common::createSequence() -- Creates a new sequence

Áttekintés

integer createSequence (string $seq_name)

Leírás

See "Intro - Sequences"

Paraméterek

string $seq_name

name of the new sequence to create

To avoid problems with various database systems, sequence names should start with a letter and only contain letters, numbers and the underscore character.

Visszatérési érték

integer - DB_OK or a DB_Error object on failure

Lehetséges hibaértékek

Táblázat 35-1. Lehetséges PEAR_Error visszatérési értékek

Error codeError messageReasonSolution
every error code  Database specific error Check the name of the sequence. If correct, probably a bug in the sequence implementation

Megjegyzés

Ez a függvény nem hívható statikusan.

Figyelem

When using PEAR DB's sequence methods, we strongly advise using these methods for all procedures, including the creation of the sequences. Do not use PEAR DB's methods to access sequences that were created directly in the DBMS. See the warning on the "Intro - Sequences" page complete information.

Példa

Példa 35-1. Using createSequence()


<?php
// Once you have a valid DB object named $db...
$tmp = $db->createSequence('mySequence');

if (PEAR::isError($tmp)) {
    die($tmp->getMessage());
}
?>

Lásd

"Intro - Sequences", nextId(), dropSequence()

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