Re: Fast COPY FROM based on batch insert

On 09/07/2022 00:09, Andrey Lepikhov wrote:
> On 8/7/2022 05:12, Ian Barwick wrote:
>>      ERROR:  bind message supplies 0 parameters, but prepared statement "pgsql_fdw_prep_178" requires 6
>>      CONTEXT:  remote SQL command: INSERT INTO public.foo_part_1(t, v1, v2, v3, v4, v5) VALUES ($1, $2, $3, $4, $5,
$6)
>>      COPY foo, line 88160
> Thanks, I got it. MultiInsertBuffer are created on the first non-zero flush of tuples into the partition and isn't
deletedfrom the buffers list until the end of COPY. And on a subsequent flush in the case of empty buffer we catch the
error.
> Your fix is correct, but I want to propose slightly different change (see in attachment).

LGTM.

Regards

Ian Barwick

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