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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Lists: | pgsql-admin |
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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