| From: | Atri Sharma <atri(dot)jiit(at)gmail(dot)com> |
|---|---|
| To: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Accessing non catalog table in backend |
| Date: | 2016-01-05 05:30:15 |
| Message-ID: | CAOeZVidqamcbgBngRPCmpZow8emTQcEMh6_k-ywV3AR-dQLZPg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Jan 5, 2016 at 9:54 AM, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>
wrote:
> On 2016/01/05 3:53, Atri Sharma wrote:
> > I was wary to use SPI inside the executor for node evaluation functions.
> > Does it seem safe?
>
> What is "node evaluation functions"? Is it "Plan" nodes or "Expr" nodes
> that you are talking about? I guess you'd know to use ExecProcNode() or
> ExecEvalExpr() for them, respectively.
>
> Thanks,
> Amit
>
>
>
I fail to see the relevance of which node is getting evaluated (its a Plan
node BTW) for this question. The concern I had was around using SPI inside
executor and its fail safety.
Regards,
Atri
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