0.01  2026-03-06
    - Async queries (query, query_params)
    - Prepared statements (prepare, query_prepared, describe_prepared,
      describe_portal)
    - Pipeline mode (enter/exit, pipeline_sync, send_pipeline_sync,
      send_flush_request)
    - Single-row mode, chunked rows (libpq >= 17)
    - COPY IN/OUT with backpressure (put_copy_data, put_copy_end,
      get_copy_data, on_drain)
    - LISTEN/NOTIFY (on_notify)
    - Connection via string or keyword/value params (connect, connect_params)
    - Connection string parsing (conninfo_parse)
    - Connection reset/finish
    - Cancel (sync PQcancel, async cancel_async for libpq >= 17)
    - Close prepared/portal (libpq >= 17)
    - Structured error fields (error_fields)
    - Result metadata (result_meta with inserted_oid)
    - Protocol tracing (trace, untrace, set_trace_flags)
    - Connection introspection (conninfo, connection_used_password,
      connection_used_gssapi, connection_needs_password, hostaddr,
      ssl_attribute, ssl_attribute_names, protocol_version)
    - Error verbosity and context visibility settings
    - Notice receiver (on_notice)
    - Escape/quoting utilities (escape_literal, escape_identifier,
      escape_bytea, unescape_bytea)
    - Password encryption (encrypt_password)
    - Short aliases (q, qp, qx, dp, quote, quote_id, pid)