Re: Don't codegen deform code for virtual tuples in expr eval forscan fetch

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От Soumyadeep Chakraborty
Тема Re: Don't codegen deform code for virtual tuples in expr eval forscan fetch
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Msg-id CAE-ML+9OKSN71+mHtfMD-L24oDp8dGTfaVjDU6U+j+FNAW5kRQ@mail.gmail.com
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Ответ на Re: Don't codegen deform code for virtual tuples in expr eval forscan fetch  (Andres Freund <andres@anarazel.de>)
Ответы Re: Don't codegen deform code for virtual tuples in expr eval forscan fetch  (Andres Freund <andres@anarazel.de>)
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Hello Andres,

Thank you very much for reviewing my patch!

On Wed, Sep 25, 2019 at 1:02 PM Andres Freund <andres@anarazel.de> wrote:
> IOW, wherever ExecComputeSlotInfo() is called, we should only actually
> push the expression step, when ExecComputeSlotInfo does not determine
> that a) the slot is virtual, b) and fixed (i.e. guaranteed to always be
> the same type of slot).
>
> Does that make sense?

That is a great suggestion and I totally agree. I have attached a patch
that achieves this.

--
Soumyadeep
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