| From: | Clemens Ladisch <clemens(at)ladisch(dot)de> | 
|---|---|
| To: | pgsql-odbc(at)lists(dot)postgresql(dot)org | 
| Subject: | Re: Problem with ODBC class | 
| Date: | 2018-05-09 07:18:25 | 
| Message-ID: | 5e55ec85-c319-0196-dad9-8ecf655eb118@ladisch.de | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-odbc | 
Igor Korot wrote:
>                 memset( qry, '\0', query.size() + 2 );
>                 memset( table_name, '\0', tableName.length() + 2 );
>                 memset( schema_name, '\0', schemaName.length() + 2 );
memset() expects a length in bytes.
>                     retcode = SQLBindParameter( stmt, 1,
> SQL_PARAM_INPUT, SQL_C_WCHAR, SQL_WCHAR, schemaName.length(), 0,
> schema_name, 0, &cbSchemaName );
Are you sure that a BufferLength (9th parameter) of zero is allowed?
The SQL_DESC_OCTET_LENGTH documentation says:
| The length, in bytes, of a character string or binary data type. For
| fixed-length character or binary types, this is the actual length in
| bytes. For variable-length character or binary types, this is the
| maximum length in bytes.
>     SQLWCHAR *owner = NULL;
>     ...
>     retcode = SQLBindCol( stmt, 1, SQL_C_WCHAR, &owner, columnSizePtr, &cbTableOwner );
You are giving the address of the pointer, so the pointer itself gets overwritten.
Regards,
Clemens
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Jari Siikarla | 2018-05-11 09:33:20 | Bug report: x64 Row status Array uses wrong data type | 
| Previous Message | Igor Korot | 2018-05-09 04:08:05 | Problem with ODBC class |