Re: BUG #17579: 15beta2: strange error when trying to use MERGE statement as a CTE

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От Tom Lane
Тема Re: BUG #17579: 15beta2: strange error when trying to use MERGE statement as a CTE
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Msg-id 481803.1660225028@sss.pgh.pa.us
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Ответ на Re: BUG #17579: 15beta2: strange error when trying to use MERGE statement as a CTE  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
Ответы Re: BUG #17579: 15beta2: strange error when trying to use MERGE statement as a CTE  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
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Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> On 2022-Aug-11, Richard Guo wrote:
>> +1 to disallow it for now.

> This patch does that.

The parse error location seems quite oddly chosen.  Can you make
it point at the MERGE instead?  I think exprLocation(cte->ctequery)
might work, but not sure.

            regards, tom lane

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