[Tile-serving] [openstreetmap/osm2pgsql] New ram middle (#1461)

[Jochen Topf]

@joto commented on this pull request.



> +    };
+
+    struct range_entry
+    {
+        std::vector<second_level_index_entry> index;
+        osmid_t from;
+        osmid_t to = 0;
+        std::size_t offset_from;
+
+        range_entry(osmid_t id, std::size_t offset, std::size_t block_size)
+        : from(id), offset_from(offset)
+        {
+            index.reserve(block_size);
+        }
+
+        bool full() const noexcept { return index.size() == index.capacity(); }

https://en.cppreference.com/w/cpp/container/vector says iterators are only invalidated on, for example `push_back()` or `resize()` **if the vector changed capacity**. Documenting it this way makes only sense if we can know whether a vector changed capacity. So I think we are good here.

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/1461#discussion_r620148923
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tile-serving/attachments/20210426/79cc9706/attachment.htm>