harlequin-clickhouse-adapter 0.1.1

A Harlequin adapter for ClickHouse.

harlequin-clickhouse-adapter

A ClickHouse adapter for Harlequin built on clickhouse-driver.

Installation

Using uv:

uv pip install harlequin-clickhouse-adapter

From source:

uv sync
uv pip install -e .

Usage

Connect with a URL:

harlequin clickhouse clickhouse://user:password@localhost:9000/default

Connect with explicit options:

harlequin clickhouse \
  --host localhost \
  --port 9000 \
  --user default \
  --database default

Or via positional connection tokens (host, port, database, user, password):

harlequin clickhouse localhost 9000 default default secret

TLS and compression

harlequin clickhouse \
  --host ch.example.com \
  --port 9440 \
  --secure \
  --ca-cert /path/to/ca.pem \
  --compression

ClickHouse settings

Repeat --setting for query-level settings:

harlequin clickhouse \
  --host localhost \
  --setting max_threads=8 \
  --setting max_memory_usage=10000000000