ClickHouse.Client 7.9.0

ClickHouse.Client

ADO.NET client for ClickHouse, ultra-fast 'big data' relational database

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Key features

  • High-throughput
  • Fully supports ClickHouse-specific types:
    • Composite types: Array, Tuple, Nullable, Nested, Map, including combinations
    • Specialized types: IPv4, IPv6, UUID, DateTime64, LowCardinality, Enum etc.
    • Large arithmetic types: (U)Int128, (U)Int256, Decimal128, Decimal256
    • Note: JSON type support was officially dropped from ClickHouse itself
  • Correctly handles DateTime, including time zones
  • Supports bulk insertion
  • Uses compressed binary protocol over HTTP(S)
  • Available for .NET Core/Framework/Standard

Advantages

Compared to other existing .NET clients, ClickHouse.Client has following advantages

  • Does not have to buffer response, reducing memory usage
  • Offers wider support for ClickHouse-specific types
  • Is more compliant to ADO.NET standards (e.g. does not require calling 'NextResult' on SELECT queries)
  • Works with ORM like Dapper, Linq2DB, Entity Framework Core etc.

Documentation

Documentation for the library is available in repository Wiki

No packages depend on ClickHouse.Client.

Version Last updated
7.14.0 6/29/2025
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7.13.0 5/3/2025
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7.11.0 5/3/2025
7.10.1 4/3/2025
7.10.0 3/28/2025
7.9.1 4/20/2025
7.9.0 3/27/2025
7.8.3 5/4/2025
7.8.3-alpha1 4/8/2025
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7.8.1 5/3/2025
7.8.0 4/28/2025
7.7.3 5/2/2025
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7.1.1 3/14/2025
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7.0.0 4/11/2025
7.0.0-alpha1 3/16/2025
6.8.1 5/3/2025
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6.7.5 3/18/2025
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3.2.0.421 3/30/2025
3.1.0.379 4/1/2025
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1.3.0.243 3/24/2025
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0.7.0.157 4/1/2025
0.6.0.144 3/31/2025
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0.2.0.69 3/31/2025
0.1.0.56-dev 3/31/2025
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0.1.0.40-dev 3/31/2025