Function openOrCreateBlob

src/yvalve/why.cpp:1493–1522

Open or create an existing blob (extended edition).

// Open or create an existing blob (extended edition).
static ISC_STATUS openOrCreateBlob(ISC_STATUS* userStatus, isc_db_handle* dbHandle,
	isc_tr_handle* traHandle, isc_blob_handle* blobHandle, ISC_QUAD* blobId,
	USHORT bpbLength, const UCHAR* bpb, bool createFlag)
{
	StatusVector status(userStatus);
	CheckStatusWrapper statusWrapper(&status);

	try
	{
		nullCheck(blobHandle, isc_bad_segstr_handle);

		RefPtr<YAttachment> attachment(translateHandle(attachments, dbHandle));
		RefPtr<YTransaction> transaction(translateHandle(transactions, traHandle));

		YBlob* blob = createFlag ?
			attachment->createBlob(&statusWrapper, transaction, blobId, bpbLength, bpb) :
			attachment->openBlob(&statusWrapper, transaction, blobId, bpbLength, bpb);

		if (status.getState() & IStatus::STATE_ERRORS)
			return status[1];

		*blobHandle = blob->getHandle();
	}
	catch (const Exception& e)
	{
		e.stuffException(&statusWrapper);
	}

	return status[1];
}


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