| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Werewolf <werewolfff(at)yandex(dot)ru> |
| Cc: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: ODBC: SQLGetDescField returns incorrect length for SQL_DESC_COUNT field of APD |
| Date: | 2019-07-06 20:31:14 |
| Message-ID: | 20190706203114.t74rdgzh3y3x26vt@momjian.us |
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| Thread: | |
| Lists: | pgsql-bugs |
On Tue, Jun 18, 2019 at 10:31:17PM +0300, Werewolf wrote:
> Field SQL_DESC_COUNT should fit into a variable of type SQLSMALLINT. But when
> retrieving this field of APD SQLGetDescField returns SQLINTEGER value. So
> memory corruption is possible in application using psqlodbc driver.
> Also the function returns an undefined error code -8.
>
> The mistake is located here
> https://git.postgresql.org/gitweb/?p=psqlodbc.git;a=blob;f=pgapi30.c;h=
> ba0dd6d731bbccd81392def43ae9b10e9c013aef;hb=HEAD#l1240
>
> Just replace 'ret = SQL_IS_SMALLINT;' with 'rettype = SQL_IS_SMALLINT;'.
I suggest you report this to the ODB project at
pgsql-odbc(at)postgresql(dot)org(dot) See:
https://odbc.postgresql.org/faq.html#1.6
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
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