Function _BulkInsert_ReadProperty

src/bulk_insert/bulk_insert.c:123–195

read an SIValue from the data stream and update the index appropriately

// read an SIValue from the data stream and update the index appropriately
static SIValue _BulkInsert_ReadProperty
(
	const char* data,
	size_t* data_idx
) {
    // binary property format:
	// - property type : 1-byte integer corresponding to TYPE enum
	// - Nothing if type is NULL
	// - 1-byte true/false if type is boolean
	// - 8-byte double if type is double
	// - 8-byte integer if type is integer
	// - Null-terminated C string if type is string
	// - 8-byte array length followed by N values if type is array

    // possible property values
    bool b;
    double d;
    int64_t i;
    int64_t len;
    const char* s;

    SIValue v = SI_NullVal();
    TYPE t = data[*data_idx];
    *data_idx += 1;

	switch (t) {
		case BI_NULL:
			v = SI_NullVal();
			break;

		case BI_BOOL:
			b = data[*data_idx];
			*data_idx += 1;
			v = SI_BoolVal(b);
			break;

		case BI_DOUBLE:
			d = *(double*)&data[*data_idx];
			*data_idx += sizeof(double);
			v = SI_DoubleVal(d);
			break;

		case BI_LONG:
			i = *(int64_t*)&data[*data_idx];
			*data_idx += sizeof(int64_t);
			v = SI_LongVal(i);
			break;

		case BI_STRING:
			s = data + *data_idx;
			*data_idx += strlen(s) + 1;
			// The string itself will be cloned when added to the GraphEntity properties.
			v = SI_ConstStringVal((char*)s);
			break;

		case BI_ARRAY:
			// The first 8 bytes of a received array will be the array length.
			len = *(int64_t*)&data[*data_idx];