Add filtering for osm tags ("extra" properties)

[henrik242]

Example query: /api?q=Oslo&osm_tag=extra.transport_modes:onstreetTram

The extra tag(s) must have been imported, e.g.:

$ java -jar target/photon-opensearch-0.7.0.jar -nominatim-import \
       -import-file oslo.ndjson -languages no,en -extra-tags transport_modes

---

Note

Adds index mappings and query parsing/filtering for extra.* tags (incl. wildcards), with tests; removes :app:es_embedded from build.

• OpenSearch:
  • Index mapping: Add IndexMapping.addExtraTags(...) to map extra object and configured extra.<key> keyword fields.
  • Server: Wire addExtraTags(dbProperties.getExtraTags()) into index create/update.
  • Filtering: Extend OsmTagFilter to handle extra.* fields and wildcard values; support exclude-value logic for extras.
• Parsing:
  • TagFilter: split logic updated to support extra.<key>:<value> where values may contain colons.
• Tests:
  • Integration: import and assert extra.transport_modes; new testExtraTags.
  • Unit: add extra.transport_modes:onstreetTram case.
• Build:
  • Remove :app:es_embedded from settings.gradle.

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[henrik242]

Up for discussion :)

I can search for tags with e.g. http://localhost:2322/api?q=Oslo&osm_tag=extra.transport_modes:onstreetTram, and there's a wildcard search too: http://localhost:2322/api?q=Oslo&osm_tag=extra.transport_modes:*onstreetTram*

There's some slightly ugly code in there to cope with :'s in values, so that I can search for e.g. http://localhost:2322/api?q=Oslo&osm_tag=extra.source_id:NSR:StopPlace:6505

[henrik242]

Here's a test file btw. Import with:

$ java -jar target/photon-opensearch-0.7.0.jar -nominatim-import -import-file oslo.ndjson -languages no,en \
  -extra-tags id,layer,source,source_id,accuracy,country_a,county_gid,locality,locality_gid,label,transport_modes,tariff_zones

oslo.zip

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[henrik242]

Superseded by #948