Query Optimizer Python Packages

vecadvisor

Cost-based advisor for filtered vector search in PostgreSQL and pgvector

query-doctor

Local-first Big Data query diagnostics for Apache Impala triage and bounded local Trino support, with raw-data-safe reports and read-only optimizer guidance.

samkhya

Engine-agnostic Rust SDK for portable, feedback-driven cardinality correction in embedded analytical engines: DataFusion, DuckDB, Polars, Postgres, Iceberg, Arrow, GPU, Python. One Corrector trait — GBT, TabPFN-2.5, LLM. LpJoinBound never-regress clamp. Apache-2.0.

goedwig

A generic query engine for graph data, based on abstract syntax trees as input.