Re: Selects query inside function must read commited data

From: "V i s h a l Kashyap (at) [Sai Hertz And Control Systems]" <sank89(at)sancharnet(dot)in>
To: Oliver Elphick <olly(at)lfix(dot)co(dot)uk>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Selects query inside function must read commited data
Date: 2004-01-25 16:31:45
Message-ID: 4013EF71.9080603@sancharnet.in
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Dear Oliver Elphick ,

>>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
>>
>>
>
>No. All operations by a single transaction are visible inside the
>transaction. Therefore an encapsulated function can see anything already
>done in the whole transaction. A function must be entirely inside a
>transaction and cannot start a transaction, so there can never be any
>problem about this.
>
>
Loads of thanks for the kind reply .
Would be greatefull if you kindly post some links/refrences to support
your answer for the said.
Thanks one again .

--
Regards,
Vishal Kashyap

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