The article introduces pg_clickhouse, a PostgreSQL extension that allows users to run analytics queries on ClickHouse without modifying their existing PostgreSQL queries. It aims to streamline the migration process for organizations moving from PostgreSQL to ClickHouse, addressing challenges like query rewriting and execution speed.

Crunchy Hardened PostgreSQL support might end around April 2026, prompting organizations in regulated sectors to assess their options. The article highlights the risks of relying on vendor-controlled distributions and suggests Percona as a stable, open-source alternative.