Function pb_add_cell

internal/cbm/sqlite_writer.c:536–545

Add a cell to the current leaf page. For table leaves: varint(payload_len) + varint(rowid) + payload For index leaves: varint(payload_len) + payload

// For table leaves: varint(payload_len) + varint(rowid) + payload
// For index leaves: varint(payload_len) + payload
static void pb_add_cell(PageBuilder *pb, const uint8_t *cell, int cell_len) {
    // Write cell content (grows down)
    pb->content_offset -= cell_len;
    memcpy(pb->page + pb->content_offset, cell, cell_len);

    // Write cell pointer (grows up)
    put_u16(pb->page + pb->ptr_offset, (uint16_t)pb->content_offset);
    pb->ptr_offset += CELL_PTR_SIZE;
    pb->cell_count++;
}

// Build interior pages from child page references.
// Returns the root page number.