Re: Selects query inside function must read commited data

>
> Would like to receive your kind attention and enormous knowledge on
> the following

This tickles me

>
> I have a function

So what ?

> sai_func_a()
> Which does as follows and in the same order:
> 1. Retrieves the latest record from the table test_sai
> (By latest I mean the record corresponding to max primary key of
> the table)
> 2. Increments date as received from test_sai.current_date
> as my_new_date := test_sai.current_date + 1 ;
> 3. Inserts the new date into the same table test_sai
> 4. Calls another function sai_func_b()
> Now inside sai_func_b()
> 1. Does as #1 of above
> 2. Works on the date in the last record.
> 3. Returns success code to sai_func_a()
> 5. The sai_func_a() finishes the work
>
> Now My question :

No one is intrested in your question and thus no answers

> Since sai_func_a() which encapsulates the function sai_func_b has not
> completed yet till #4 or #5
> then how does the function sai_func_b reads the new data since it is
> not committed yet.
>
> If I am not wrong PostgreSQL select statements works on committed data
> thus the new
> inserted data at #3 must not be available to sai_func_b() till #5
>
> Server Specs:
> 1. version
> ---------------------------------------------------------------------------------------------------------
> PostgreSQL 7.3.4 on i686-pc-linux-gnu, compiled by GCC gcc (GCC) 3.2.2
> 20030222 (Red Hat Linux 3.2.2-5)
> 2.Both functions are plpgsql and are not triggers
>
>
>
> If you need more information kindly ask for the same.

Yes, I need one Why did you ask this question ?

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Vishal Kashyap

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