Function cascade_delete_edges

src/graph_buffer/graph_buffer.c:320–338

Cascade-delete all edges touching nodes in deleted_set. */

/* Cascade-delete all edges touching nodes in deleted_set. */
static void cascade_delete_edges(cbm_gbuf_t *gb, CBMHashTable *deleted_set) {
    int write_idx = 0;
    for (int i = 0; i < gb->edges.count; i++) {
        cbm_gbuf_edge_t *e = gb->edges.items[i];
        char src_id[CBM_SZ_32];
        char tgt_id[CBM_SZ_32];
        make_id_key(src_id, sizeof(src_id), e->source_id);
        make_id_key(tgt_id, sizeof(tgt_id), e->target_id);

        if (cbm_ht_get(deleted_set, src_id) || cbm_ht_get(deleted_set, tgt_id)) {
            unindex_edge(gb, e);
            free_edge_strings(e);
            free(e);
        } else {
            gb->edges.items[write_idx++] = gb->edges.items[i];
        }
    }
    gb->edges.count = write_idx;
}

/* Register a node in primary (QN, ID) and secondary (label, name) indexes. */
static void register_node_in_indexes(cbm_gbuf_t *gb, cbm_gbuf_node_t *node) {