Method fillFromCache

src/common/StatementMetadata.cpp:427–453

Fill an output buffer from the cached data. Return true if succeeded.

// Fill an output buffer from the cached data. Return true if succeeded.
bool StatementMetadata::fillFromCache(unsigned itemsLength, const UCHAR* items,
	unsigned bufferLength, UCHAR* buffer)
{
	//// TODO: Respond more things locally. isc_dsql_prepare_m will need.

	if (((itemsLength == 1 && items[0] == isc_info_sql_stmt_type) ||
			(itemsLength == 2 && items[0] == isc_info_sql_stmt_type &&
				(items[1] == isc_info_end || items[1] == 0))) &&
		type.specified)
	{
		if (bufferLength >= 8)
		{
			*buffer++ = isc_info_sql_stmt_type;
			put_vax_short(buffer, 4);
			buffer += 2;
			put_vax_long(buffer, type.value);
			buffer += 4;
			*buffer = isc_info_end;
		}
		else
			*buffer = isc_info_truncated;

		return true;
	}

	return false;
}

// Fetch input or output parameter list.
void StatementMetadata::fetchParameters(UCHAR code, Parameters* parameters)