Bugs item #1811563, was opened at 2007-10-11 17:51
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Category: any
Group: last released version
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: E.Bevz (bevz)
Assigned to: Nobody/Anonymous (nobody)
Summary: databaselayer BLOB write error
Initial Comment:
DatabaseLayer ver 1.7.1
File: FirebirdParameter.cpp line 148.
In function FirebirdParameter::ResetBlob().
Error is in request: isc_put_segment(status, &m_pBlob, nDataLength,
(char*)pData).
If nDataLength > 0xFFFF (unsigned short max value), then only part of user data
sends to database.
Solution:
int dataFetched = 0;
char* dataPtr = (char*)pData;
while (dataFetched < nDataLength){
unsigned short segLen = (nDataLength - dataFetched) < 0xFFFF ? (nDataLength
- dataFetched) : 0xFFFF ;
nReturn = isc_put_segment(status, &m_pBlob, segLen, dataPtr);
if (nReturn != 0)
{
#ifndef DONT_USE_DATABASE_LAYER_EXCEPTIONS
long nSqlCode = isc_sqlcode(status);
DatabaseLayerException
error(FirebirdDatabaseLayer::TranslateErrorCode(nSqlCode),
FirebirdDatabaseLayer::TranslateErrorCodeToString(nSqlCode,
status));
throw error;
#endif
//isc_print_status(status);
return;
}
dataFetched += segLen;
dataPtr += segLen;
}
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