//-----------------------------------------------------------------------------
// ExternalLobVar_InternalRead()
// Return the size of the LOB variable for internal comsumption.
//-----------------------------------------------------------------------------
static int ExternalLobVar_InternalRead(
udt_ExternalLobVar *var, // variable to return the size of
char *buffer, // buffer in which to put data
ub4 bufferSize, // size of buffer
ub4 *length, // length of data (IN/OUT)
int offset) // offset
{
sword status;
if (var->lobVar->isFile) {
Py_BEGIN_ALLOW_THREADS
status = OCILobFileOpen(var->lobVar->connection->handle,
var->lobVar->environment->errorHandle,
var->lobVar->data[var->pos], OCI_FILE_READONLY);
Py_END_ALLOW_THREADS
if (Environment_CheckForError(var->lobVar->environment, status,
"ExternalLobVar_FileOpen()") < 0)
return -1;
}
void BfileFileIsOpen_proc(OCILobLocator *Bfile_loc, OCIEnv *envhp,
OCIError *errhp, OCISvcCtx *svchp, OCIStmt *stmthp)
{
boolean flag;
printf ("----------- OCILobFileIsOpen Demo --------------\n");
checkerr(errhp, OCILobFileOpen(svchp, errhp, Bfile_loc,
(ub1)OCI_FILE_READONLY));
checkerr(errhp, OCILobFileIsOpen(svchp, errhp, Bfile_loc, &flag));
if (flag == TRUE)
{
printf("File is open\n");
}
else
{
printf("File is not open\n");
}
checkerr(errhp, OCILobFileClose(svchp, errhp, Bfile_loc));
}
