EXAMPLE:
You need to know the generator´s value after INSERT:
Before INSERT-Statement run
$nextnumber=ibase_gen_id ("GEN_NAME",1);
GEN_NAME: is the generator´s name
1: means add 1 to actual value of generator
$nextnumber: is variable to store generators value after incrementing
In the INSERT-Statement you can use $nextnumber instead of using generator directly like in:
INSERT INTO test (field1, field2) VALUES gen_id(gen_test_id, 1), 'testme');
ibase_gen_id
(PHP 5, PHP 7 < 7.4.0)
ibase_gen_id — Inkrementiert den benannten Generator und gibt dessen neuen Wert zurück
Beschreibung
Warnung
Diese Funktion ist bis jetzt nicht dokumentiert. Es steht nur die Liste der Parameter zur Verfügung.
Rückgabewerte
Gibt den neuen Generatorwert als Ganzzahl oder als Zeichenfolge zurück, wenn der Wert zu groß ist.
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User Contributed Notes 3 notes
robert ¶
18 years ago
escoric at latinmail dot com ¶
20 years ago
$sql="INSERT INTO mitabla(campo1,campo2,..campo n) VALUES(GEN_ID(mitabla1_codigo_gen,1),'contenido 1', 'contenido 2', 'contenido n' )";
mfischer at php dot net ¶
20 years ago
Question arose on php-dev:
How does ibase_gen_id() handle 64bit values?
Interbase 6/Firebird generators are always 64-bit signed integers
(Firebird's BIGINT type), regardless of the platform the client is
running.
On 64-bit platforms, this will never require conversion as PHP's int
type is 64 bits wide on those platforms. On 32-bit platforms, the
generated value is converted to a string if it exceeds the limits of a
32-bit signed integer.
(This behaviour is consistent with the ibase_fetch_*() functions, that
will use strings to represent numerical values that cannot be represented
accurately using native PHP numerical types.)
[Edited by PHP/Interbase maintainer.]
