Re: PREPARE vs query with MULTIPLE statements

From: Andrei Kovalevski <andyk(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: PREPARE vs query with MULTIPLE statements
Date: 2007-11-21 06:10:46
Message-ID: 4743CBE6.5070705@commandprompt.com
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Yes, Thank you!

Tom Lane wrote:
> Andrei Kovalevski <andyk(at)commandprompt(dot)com> writes:
>
>> 2) If I send it as 'PREPARE "SQL_CUR1" AS SELECT 1; SELECT 2; SELECT3;
>> SELECT4;' and then 'EXECUTE "SQL_CUR1" - I'm getting:
>> - results for SELECT 1; SELECT2; SELECT 3;
>> - ReadyForQuery response
>> - results for SELECT 4;
>> - one more ReadyForQuery response
>> from backend
>>
>
>
>> Is this behavour is correct and expected?
>>
>
> You seem to have some odd ideas about what the semicolons mean.
> The prepare command there is PREPARE "SQL_CUR1" AS SELECT 1
> ... no more and no less.
>
> regards, tom lane
>
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