yes, this is the fast way to create, since no built-in function
on auto number field, anyway thanks for your helping....

--- In firebird-php@yahoogroups.com, Dariusz Zelichowski
<z_darius@y...> wrote:

> //Do it through storep procedures and triggers.
>
>
> //Assume you have a table with a field:
>
> CITY_GEN INTEGER;
>
> //You want CITY_GEN to be auto incremented after every
> insert.
> //Create a Generator:
>
> CREATE GENERATOR GEN_CITIES_ID;
>
> //Set its value to 0
>
> SET GENERATOR GEN_CITIES_ID TO 0;
>
> //Create a trigger a Stored Procedure that will increment
> the Genreator by 1
>
> CREATE PROCEDURE SP_GEN_CITIES_ID
> RETURNS (
> ID INTEGER)
> AS
> BEGIN
> ID = GEN_ID(GEN_CITIES_ID, 1);
> END
>
> //Now create the trigger to call the above procedure before
> every INSERT operation:
>
> CREATE TRIGGER CITIES_BI FOR CITIES
> ACTIVE BEFORE INSERT POSITION 0
> AS
> BEGIN
> IF (NEW.CITY_GEN IS NULL) THEN
> NEW.CITY_GEN = GEN_ID(GEN_CITIES_ID,1);
> END
>
>
> That's all.
>
>
>
> --- corp_5 <hasan@d...> wrote:
> > is there any way to use auto number field in FB ??
> > maybe someone can help me,
> >
> > thankyou
> >
> >
>
>
>
>
>
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