Function NewResultSet

src/resultset/resultset.c:60–94

create a new result set

// create a new result set
ResultSet *NewResultSet
(
	RedisModuleCtx *ctx,
	ResultSetFormatterType format  // resultset format
) {
	ResultSet *set = rm_malloc(sizeof(ResultSet));

	set->gc                  =  QueryCtx_GetGraphCtx();
	set->ctx                 =  ctx;
	set->cells               =  NULL;
	set->format              =  format;
	set->columns             =  NULL;
	set->formatter           =  ResultSetFormatter_GetFormatter(format);
	set->column_count        =  0;
	set->cells_allocation    =  M_NONE;
	set->columns_record_map  =  NULL;

	// init resultset statistics
	ResultSetStat_init(&set->stats);

	// create resultset columns
	if(set->format != FORMATTER_NOP) {
		_ResultSet_SetColumns(set);
	}

	// allocate space for resultset entries only if data is expected
	if(set->column_count > 0) {
		// none empty result-set
		// allocate enough space for at least 10 rows
		uint64_t nrows = set->column_count * 10;
		set->cells = DataBlock_New(16384, nrows, sizeof(SIValue), NULL);
	}

	return set;
}

// map each column to a record index
// such that when resolving resultset row i column j we'll extract