Re: Using VC2008 to store bytea, I got AppendChunk error 800a0c93

(2014/07/07 12:44), sunpeng wrote:

hr = m_pConnection.CreateInstance("ADODB.Connection");
sql.Format(_T("Driver=%s;Server=%s;Database=%s"),strDriver,strIP,strDBName);

Please add ";C7=1" which turns on *bytea as lo* option to your
connection string or
directly specify the data source name as the connectiion string
        _T("DSN=%s")

.

strDriver is "PostgreSQL ANSI" or "PostgreSQL Unicode"

<snip>

                                  for (long iSize = 0; iSize <
         FreImgSize; iSize++)
                                  {
                                          SafeArrayPutElement(psafe[0],
         &iSize, &pFreImg[iSize]);

Does SafeArrayPutElelment() work as you expect?
The input of the function is psafe[0] and the output is &pFreImg[iSize].

regards,
Hiroshi Inoue

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