Function write_one_table

internal/cbm/sqlite_writer.c:1804–1825

Write a streaming B-tree table from count items, or an empty table if count == 0. */

/* Write a streaming B-tree table from count items, or an empty table if count == 0. */
static int write_one_table(write_db_ctx_t *w, uint32_t *root, const void *items, int count,
                           build_record_fn build_rec, get_rowid_fn get_id) {
    if (count <= 0 || !items) {
        *root = write_table_btree(w->fp, &w->next_page, NULL, NULL, NULL, 0, false);
        return 0;
    }
    PageBuilder pb;
    pb_init(&pb, w->fp, w->next_page, false);
    for (int i = 0; i < count; i++) {
        int rec_len;
        uint8_t *rec = build_rec(items, i, &rec_len);
        if (!rec) {
            return ERR_WRITE_FAILED;
        }
        int64_t rowid = get_id(items, i);
        int64_t prev_id = i > 0 ? get_id(items, i - SKIP_ONE) : 0;
        pb_add_table_cell_with_flush(&pb, rowid, rec, rec_len, prev_id);
        free(rec);
    }
    *root = pb_finalize_table(&pb, &w->next_page, get_id(items, count - SKIP_ONE));
    return 0;
}

/* Adapter functions for write_one_table (nodes are written via the streaming
 * PageBuilder in cbm_writer_append_nodes, so no node adapter is needed here). */