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sqlalchemy-clickhouse

ClickHouse dialect for SQLAlchemy.

Installation

The package is installable through PIP:

pip install sqlalchemy-clickhouse

Usage

The DSN format is similar to that of regular Postgres:

>>> import sqlalchemy as sa
>>> sa.create_engine('clickhouse://username:password@hostname:port/database')
Engine('clickhouse://username:password@hostname:port/database')

For SSL add ssl parameter to URL:

>>> import sqlalchemy as sa
>>> sa.create_engine('clickhouse://username:password@hostname:port/database?ssl=True')
Engine('clickhouse://username:password@hostname:port/database')

It implements a dialect, so there's no user-facing API.

Testing

The dialect can be registered on runtime if you don't want to install it as:

from sqlalchemy.dialects import registry
registry.register("clickhouse", "base", "dialect")