[GIS] the highest possible value of OSM_ID

openstreetmap

What is currently the highest value of OSM_ID in openstreetmapping?

What is the highest possible value of OSM_ID? 2^31 (2.147.483.648)?

And here I add some more text or my question is rejected because it is too short…

Best Answer

The highest ID value will be different for each type of object (nodes, ways and relations) and will change from day to day as people add more objects, so knowing what it is now is of little use.

The IDs are all 64 bit signed integers at the moment, so have a theoretical limit of 2^63-1 or 9,223,372,036,854,775,807 but I think it will take a while before we get to that number.

Related Solutions

[GIS] Converting OSM_ID to coordinates

If you don't want to reload the whole data, you can query the Overpass API http://www.overpass-api.de/query_form.html with

<osm-script>
  <id-query ref="507464799" type="node"/>
  <print/>
</osm-script>

for the OSM_IDs you got.

[GIS] Difference between osm_id and place_id

Actually there isn't anything called an osm_id, at-least not officially.

In the OSM database, each node, relationship, way etc have a unique id.This uniqueness is only within a particular element type. i.e. there could be a node with id 1023, a relationship with id 1023 as well as a way with id 1023. These are often called the OSM ID for that particular Element. These usually will be same in all OSM databases.

In a Particular Nominatim Instance, the index will contain a unique place_id for each feature. This is guaranteed to be unique only for that instance. The same feature on different instances will usually be different, and one place_id on different instances will usually refer to different features.

Hence the place_id should be considered as a primary key only for data of a particular nominatim instance.

Best Answer

Related Solutions

[GIS] Converting OSM_ID to coordinates

[GIS] Difference between osm_id and place_id

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