Re: How to do auto numbering on INT column

[Brent Wood <b.wood@xxxxxxxxxx>]

Junkone wrote:
> HI
> I have a simple table created using PGAdmin III. How do i do a auto
> numbering on a column SYMBOL_ID?
> My table is
> CREATE TABLE "SYMBOL"
> (
>   "SYMBOL_ID" int4 NOT NULL,
>   "SYMBOL2EXCHANGE" int2 NOT NULL,
>   "SYMBOL_ALIAS" text[],
>   "RELATED_SYMBOLS_OTHER_EXCHANGES" int8[],
>   "SYMBOL_NAME" text,
>   "COMPANY_NAME" text,
>   "SYMBOL2SECTOR" int2,
>   "SYMBOL2INDUSTRY" int4,
>   "STOCK_SUMMARY" text
> ) 
>   
If you can, the easy way is to recreate the table using a serial 
datatype instead of int4.

See the docs at 
http://www.postgresql.org/docs/8.1/interactive/datatype.html#DATATYPE-SERIAL

Otherwise this also shows the long way to do it.


HTH,

 Brent Wood