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ClickHouse Database Core Driver

Project description

ClickHouse Connect

A high performance core database driver for connecting ClickHouse to Python

  • Pandas DataFrames
  • Numpy Arrays
  • PyArrow Tables
  • SQLAlchemy 1.3 and 1.4 (limited feature set)

ClickHouse Connect currently uses the ClickHouse HTTP interface for maximum compatibility.

Installation

pip install clickhouse-connect

ClickHouse Connect requires Python 3.7 or higher.

Warning -- ZStd errors with versions 0.5.21 and below

Versions prior to 0.5.22 are not compatible with urllib3 version 2+ when using zstd compression. If you encounter such errors please upgrade to clickhouse-connect 0.5.22+ or downgrade your urllib3 version to 1.x

Superset Compatibility

Starting with v0.6.0, clickhouse-connect no longer includes a Superset EngineSpec. Instead, the relevant EngineSpec has been moved to the core Apache Superset project as of Superset v2.1.0. If you have issues connecting to earlier versions of Superset, please use clickhouse-connect v0.5.25.

SQLAlchemy Implementation

ClickHouse Connect incorporates a minimal SQLAlchemy implementation (without any ORM features) for compatibility with Superset. It has only been tested against SQLAlchemy versions 1.3.x and 1.4.x, and is unlikely to work with more complex SQLAlchemy applications.

Complete Documentation

The documentation for ClickHouse Connect has moved to ClickHouse Docs

Project details


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This version

0.6.0

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