Re: Generating random values.

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От Sebastian Hennebrueder
Тема Re: Generating random values.
Дата
Msg-id 43037713.1060301@laliluna.de
обсуждение исходный текст
Ответ на Generating random values.  (Fernando Lujan <flujan@gmail.com>)
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Fernando Lujan schrieb:

>Hi folks,
>
>I have a table wich contains my users... I want to insert to each user
>a random password, so I need a random function. Is there such function
>in Postgres? I just found the RANDOM which generates values between
>0.0 and 1.0.
>
>Any help or suggestion will be appreciated. :)
>
>Fernando Lujan
>
>---------------------------(end of broadcast)---------------------------
>TIP 9: In versions below 8.0, the planner will ignore your desire to
>       choose an index scan if your joining column's datatypes do not
>       match
>
>
>
>
Create an array of characters and numbers.
Estimating the array size at 30
Calculate something like round(random * 30) and fetch a character from
the array.
Repeat this for each character

--
Best Regards / Viele Grüße

Sebastian Hennebrueder

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