DB_common::createSequence()

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

Referentiesamenvatting

integer createSequence (string $seq_name)

Beschrijving

See "Intro - Sequences"

Parameter

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.

Return waarde

integer - DB_OK or a DB_Error object on failure

Throws

Tabel 34-1. Mogelijke PEAR_Error waarden

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

Note

Deze functie kan niet statisch worden aangeroepen.

Waarschuwing

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.

Voorbeeld

Zie

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