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s2

PL/Python functions for converting latitude/longitude to S2 cell IDs and tokens and navigating the S2 cell hierarchy

PL/Python3U untrusted procedural language

pg_s2	Adds an S2 CellID type, hierarchy and covering functions, distance helpers, casts, operators, and a B-tree operator class.
qdgc	Encode, decode, navigate, and fill Extended Quarter Degree Grid Cell codes in pure SQL.
pgs2	Postgres extension for S2 spherical geometry
pgpyml	Run scikit-learn machine-learning models inside PostgreSQL through PL/Python functions and triggers.
plpython3t	A SQL-only wrapper that registers PostgreSQL PL/Python 3 handlers as a trusted procedural language named plpython3t.
panda_post	Python Pandas data in Postgres
verisql	Audit-grade verification gateway for AI-generated SQL — catches silently wrong queries before they hit your dashboard, keeps tamper-evident audit trails, verifies migration equivalence. Zero LLM tokens for 90% of checks.
pg_py_plan_forwarding	Forward PostgreSQL planner and executor data to embedded Python callbacks
rppd	Trigger-based PostgreSQL event dispatcher that sends row changes over gRPC to a clustered Rust/Python execution service.
audit_stream	Postgres extension that emits audit-stream-py-compatible governance events on watched table CRUD via pg notify, plus a Python LISTEN bridge daemon. The database-tier governance producer for the Kinetic Gain Protocol Suite.