Java ClickHouse整合—官方教程

一、开发环境 OpenJDK版本 >= 17 ClickHouse：20.7+  1、支持的数据类型 Format Support Comment AggregatedFunction ❌ limited to groupBitmap, and known to have issue with 64bit bitmap Array(*) ✅ Bool ✅ Date* ✅ DateTime* ✅ Decimal* ✅ SET output_format_decimal_trailing_zeros=1 in 21.9+ for consistency Enum* ✅ can be treated as both string and integer Geo Types ✅ Point, Ring, Polygon, and MultiPolygon Int*, UInt* ✅ UInt64 is mapped to long IPv* ✅ Map(*) ✅ Nested(*) ✅ Object('JSON') ✅ SimpleAggregateFunction ✅ *String ✅ Tuple(*) ✅ UUID ✅ 二、Java客户端方式 1、引入依赖 <dependency> <groupId>com.clickhouse</groupId> <!-- or clickhouse-grpc-client if you prefer gRPC --> <artifactId>clickhouse-http-client</artifactId> <version>0.4.0</version> </dependency> 2、连接ClickHouse 一、开发环境 OpenJDK版本 >= 17 ClickHouse：20.7+  1、支持的数据类