th3index family on the canonical UDF surface#24
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This was referenced Jun 12, 2026
The MobilitySpark base UDF library — temporal, geo, boxes, time and set surfaces plus the base infrastructure — bound to the canonical single-source functions.GeneratedFunctions surface (the MEOS-API / meos-idl.json codegen output), bundled as libs/JMEOS-1.4.jar regenerated against the ecosystem pin, with lib/libmeos.so built from the pin (CBUFFER/NPOINT/POSE/RGEO + H3). Every UDF binds the generated surface directly; the legacy hand-rolled functions.functions facade is retired. The pg_-prefixed PG-compat I/O (pg_interval_in/out, pg_timestamptz_in) is preserved to disambiguate the PostgreSQL built-ins of the same name. CI builds libmeos from the ecosystem pin on Linux/macOS (with H3, and an in-source build dir so pgtypes/postgres.h's relative ../../meos/include resolves); Windows is non-blocking. Full unit suite green (907/907). The th3index, sibling (cbuffer/npoint/pose/rgeo) and portable-operator families stack on this foundation as separate changes; the BerlinMOD benchmark builds on the full surface.
The temporal H3-index (th3index) family for MobilitySpark, stacked on the foundation library: the h3index/th3index UDFs (Th3IndexUDFs), the H3 cell prefilter (Th3IndexPrefilterUDFs) and the JNR bindings, registered in the session. th3index is backed by libmeos built with -DH3=ON (the standalone library wires the h3 object library at the current ecosystem pin); the UDFs bind the generated functions.GeneratedFunctions surface (th3index_*, h3index_in/out, the canonicalized parse/to_string -> in/out). No change to the library surface, so the unit suite is unchanged (907/907).
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Stacked on #22 (the foundation library). Adds the temporal H3-index (th3index) family —
Th3IndexUDFs(h3index/th3index UDFs),Th3IndexPrefilterUDFs(H3 cell prefilter), and the JNR bindings — registered in the session.Backed by libmeos built with
-DH3=ON(the standalone library wires the h3 object library at the current pin); binds the generatedfunctions.GeneratedFunctionssurface (th3index_*,h3index_in/out, the canonicalizedparse/to_string→in/out). No library-surface change — unit suite unchanged (907/907). Review #22 first; this PR's own change is the th3index commit on top.