Re: Problem on calling procedures with ADODB

Hi Kamil,

Have you tried changing pCommand->CommandText to _bstr_t("CALL sp_TEST(?,
?, ?)"), with one question mark per parameter?

Adrian Grucza
Technical Lead
Tel: +61390185800
adrian(dot)grucza(at)iress(dot)com
www.iress.com
Level 16 385 Bourke St
Melbourne, Victoria, 3000
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On Thu, 16 Sept 2021 at 17:49, Kamil ADEM <kamila(at)aqvilasoftware(dot)com> wrote:

>
>
> *CAUTION: *This Email is from an EXTERNAL source. Ensure you trust this
> sender before clicking on any links or attachments.
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> Hello,
>
>
>
> We porting a Windows MFC application from MSSQLServer to PostgreSQL and
> trying to use psqlODBC driver with Microsoft ADODB.
>
> We are currently performing the migration steps of our C sources and got
> stuck on an issue and thought to ask for your help.
>
>
>
> We use Microsoft ADODB on Windows to access the database and cannot change
> this interface in short time. To access Postgres we changed the connection
> string accordingly. (e.g. “Driver= {PostgreSQL ANSI};”)
>
> On calling Postgres procedures we have the following code sample:
>
> _CommandPtr pCommand;
>
> pCommand->CommandType = adCmdStoredProc;
>
> pCommand->CommandText = _bstr_t(“sp_TEST”);
>
> pCommand->Parameters->Refresh();
>
> pCommand->Execute(NULL, NULL, adCmdStoredProc | adExecuteNoRecords);
>
> The Execute() method generates the command: “SELECT * FROM sp_TEST(…)”
> instead of “CALL sp_TEST(…)”. This is appropriate for Postgres functions,
> but there must be a way to call procedures also.
>
> Do you know such a reported issue? Do you know a way to change this
> behaviour? Should we use a different driver? Should we get rid of
> procedures and convert our MSSQL stored procedures to Postgres functions?
>
>
>
> We would be grateful if you can guide us to the right solution.
>
> Thanks in advance.
>
>
>
> Best regards,
>
>
>
> Kamil Adem
>
> Aqvila Software Yazılım A.Ş.
>
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