| From: | Oliver Jowett <oliver(at)opencloud(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: SQL-Invoked Procedures for 8.1 |
| Date: | 2004-09-23 23:07:51 |
| Message-ID: | 41535747.6000603@opencloud.com |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> Oliver Jowett <oliver(at)opencloud(dot)com> writes:
>
>>Tom Lane wrote:
>>
>>>>How can clients distinguish multiple resultsets if they're using the
>>>>extended query protocol?
>>>
>>>You'll get multiple repetitions of RowDescription/DataRows.
>
>
>>Ah, so the Execute spontaneously generates a RowDescription
>>spontaneously when it hits the second resultset, without needing an
>>extra Describe?
>
>
> Oh, wait, you won't get anything. My example was using simple-Query
> protocol. In extended Query you get nothing, per this comment in
> pquery.c:
Ok, thanks. It looks like the driver is doing the right thing then.
Here's a one-line patch that clarifies the Execute protocol docs slightly.
-O
| Attachment | Content-Type | Size |
|---|---|---|
| pgsql-protocol-docs.txt | text/plain | 882 bytes |
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