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升级shardingsphere-jdbc版本到5.5.0,需要手工配置ShardingSphere数据源到spring.datasource.dynamic.datasource中,用法更明确
This commit is contained in:
@ -42,6 +42,13 @@
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<groupId>jakarta.servlet</groupId>
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<groupId>jakarta.servlet</groupId>
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<artifactId>jakarta.servlet-api</artifactId>
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<artifactId>jakarta.servlet-api</artifactId>
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</dependency>
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</dependency>
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<!-- 分库分表示例 -->
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<!-- <dependency>
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<groupId>org.jeecgframework.boot3</groupId>
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<artifactId>jeecg-cloud-test-shardingsphere</artifactId>
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<version>3.8.3</version>
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</dependency>-->
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</dependencies>
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</dependencies>
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<build>
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<build>
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@ -153,12 +153,10 @@ spring:
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username: root
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username: root
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password: root
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password: root
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driver-class-name: com.mysql.cj.jdbc.Driver
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driver-class-name: com.mysql.cj.jdbc.Driver
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# 多数据源配置
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# # shardingjdbc数据源
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#multi-datasource1:
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# sharding-db:
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#url: jdbc:mysql://localhost:3306/jeecg-boot2?useUnicode=true&characterEncoding=utf8&autoReconnect=true&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&allowPublicKeyRetrieval=true&serverTimezone=Asia/Shanghai
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# driver-class-name: org.apache.shardingsphere.driver.ShardingSphereDriver
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#username: root
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# url: jdbc:shardingsphere:classpath:sharding.yaml
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#password: root
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#driver-class-name: com.mysql.cj.jdbc.Driver
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#redis 配置
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#redis 配置
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data:
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data:
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redis:
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redis:
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@ -1,59 +0,0 @@
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spring:
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shardingsphere:
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datasource:
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names: ds0,ds1
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ds0:
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driverClassName: com.mysql.cj.jdbc.Driver
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url: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
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type: com.alibaba.druid.pool.DruidDataSource
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username: root
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password: root
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ds1:
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driverClassName: com.mysql.cj.jdbc.Driver
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url: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot2?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
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type: com.alibaba.druid.pool.DruidDataSource
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username: root
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password: root
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props:
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sql-show: true
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rules:
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replica-query:
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load-balancers:
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round-robin:
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type: ROUND_ROBIN
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props:
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default: 0
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data-sources:
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prds:
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primary-data-source-name: ds0
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replica-data-source-names: ds1
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load-balancer-name: round_robin
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sharding:
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binding-tables:
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- sys_log
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key-generators:
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snowflake:
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type: SNOWFLAKE
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props:
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worker-id: 123
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sharding-algorithms:
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table-classbased:
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props:
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strategy: standard
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algorithmClassName: org.jeecg.modules.test.sharding.algorithm.StandardModTableShardAlgorithm
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type: CLASS_BASED
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database-inline:
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type: INLINE
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props:
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algorithm-expression: ds$->{operate_type % 2}
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tables:
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sys_log:
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actual-data-nodes: ds$->{0..1}.sys_log$->{0..1}
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database-strategy:
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standard:
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sharding-column: operate_type
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sharding-algorithm-name: database-inline
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table-strategy:
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standard:
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sharding-algorithm-name: table-classbased
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sharding-column: log_type
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@ -1,33 +0,0 @@
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spring:
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shardingsphere:
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datasource:
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names: ds0
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ds0:
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driverClassName: com.mysql.cj.jdbc.Driver
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url: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
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username: root
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password: root
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type: com.alibaba.druid.pool.DruidDataSource
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props:
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sql-show: true
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rules:
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sharding:
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binding-tables: sys_log
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key-generators:
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snowflake:
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type: SNOWFLAKE
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props:
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worker-id: 123
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sharding-algorithms:
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table-classbased:
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props:
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strategy: standard
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algorithmClassName: org.jeecg.modules.test.sharding.algorithm.StandardModTableShardAlgorithm
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type: CLASS_BASED
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tables:
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sys_log:
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actual-data-nodes: ds0.sys_log$->{0..1}
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table-strategy:
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standard:
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sharding-algorithm-name: table-classbased
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sharding-column: log_type
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@ -71,7 +71,11 @@
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<groupId>org.jeecgframework.boot3</groupId>
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<groupId>org.jeecgframework.boot3</groupId>
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<artifactId>jeecg-cloud-test-shardingsphere</artifactId>
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<artifactId>jeecg-cloud-test-shardingsphere</artifactId>
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<version>${jeecgboot.version}</version>
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<version>${jeecgboot.version}</version>
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</dependency>-->
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</dependency>
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<dependency>
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<groupId>org.jeecgframework.boot3</groupId>
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<artifactId>jeecg-boot-starter-shardingsphere-nacos</artifactId>
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</dependency>-->
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</dependencies>
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</dependencies>
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@ -21,4 +21,11 @@ spring:
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config:
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config:
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import:
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import:
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- optional:nacos:jeecg.yaml
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- optional:nacos:jeecg.yaml
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- optional:nacos:jeecg-@profile.name@.yaml
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- optional:nacos:jeecg-@profile.name@.yaml
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# #shardingjdbc数据源
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# datasource:
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# dynamic:
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# datasource:
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# sharding-db:
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# driver-class-name: org.apache.shardingsphere.driver.ShardingSphereDriver
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# url: jdbc:shardingsphere:nacos:sharding.yaml?serverAddr=@config.server-addr@&namespace=@config.namespace@&group=@config.group@
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@ -0,0 +1,176 @@
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# JeecgBoot ShardingSphere配置使用说明
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## 项目中的ShardingSphere配置
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本项目使用ShardingSphere实现分库分表功能,主要涉及以下配置文件和组件:
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## 1. 配置文件说明
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### sharding.yaml - 基础分表配置
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```yaml
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databaseName: sharding-db # 重要:必须与@DS注解中的名称一致
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dataSources:
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ds0:
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dataSourceClassName: com.zaxxer.hikari.HikariDataSource
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driverClassName: com.mysql.cj.jdbc.Driver
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jdbcUrl: jdbc:mysql://localhost:3306/jeecg-boot?useSSL=false&useUnicode=true&characterEncoding=utf-8
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username: root
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password: root
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rules:
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- !SHARDING
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tables:
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sys_log: # 分表的逻辑表名
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actualDataNodes: ds0.sys_log$->{0..1} # 实际表:sys_log0, sys_log1
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tableStrategy:
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standard:
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shardingColumn: log_type # 分片字段
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shardingAlgorithmName: table_inline
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shardingAlgorithms:
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table_inline:
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type: INLINE
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props:
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algorithm-expression: sys_log$->{log_type % 2} # 根据log_type取模分表
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```
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### sharding-multi.yaml - 分库分表+读写分离配置
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```yaml
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databaseName: sharding-db # 与@DS注解保持一致
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dataSources:
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ds0: # 主库
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jdbcUrl: jdbc:mysql://localhost:3306/jeecg-boot?...
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ds1: # 从库
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jdbcUrl: jdbc:mysql://localhost:3306/jeecg-boot2?...
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rules:
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- !SHARDING
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tables:
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sys_log:
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actualDataNodes: ds$->{0..1}.sys_log$->{0..1} # 2库2表
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databaseStrategy: # 分库策略
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standard:
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shardingColumn: operate_type
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shardingAlgorithmName: database-inline
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tableStrategy: # 分表策略
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standard:
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shardingColumn: log_type
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shardingAlgorithmName: table-classbased
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- !READWRITE_SPLITTING # 读写分离
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dataSources:
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prds:
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writeDataSourceName: ds0 # 写库
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readDataSourceNames: [ds1] # 读库
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```
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## 2. Spring Boot配置
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### application-dev.yml中的数据源配置
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```yaml
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spring:
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datasource:
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dynamic:
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datasource:
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# 普通数据源
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master:
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url: jdbc:mysql://localhost:3306/jeecg-boot
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username: root
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password: root
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# ShardingSphere分片数据源
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sharding-db: # 数据源名称,对应@DS("sharding-db")
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driver-class-name: org.apache.shardingsphere.driver.ShardingSphereDriver
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# 本地配置文件方式
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url: jdbc:shardingsphere:classpath:sharding.yaml
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# 或者Nacos配置方式
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url: jdbc:shardingsphere:nacos:sharding.yaml?serverAddr=${spring.cloud.nacos.config.server-addr}&namespace=${spring.cloud.nacos.config.namespace}&group=${spring.cloud.nacos.config.group}
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```
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**关键点:**
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- `sharding-db` 是数据源的名称标识
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- 这个名称必须与Service类上的`@DS("sharding-db")`注解保持一致
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## 3. Service层使用
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### ShardingSysLogServiceImpl类配置
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```java
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@Service
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@DS("sharding-db") // 指定使用sharding-db数据源
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public class ShardingSysLogServiceImpl extends ServiceImpl<ShardingSysLogMapper, ShardingSysLog>
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implements IShardingSysLogService {
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}
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```
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**配置关系说明:**
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1. `@DS("sharding-db")` 注解告诉MyBatis-Plus使用名为`sharding-db`的数据源
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2. `sharding-db`对应application-dev.yml中配置的数据源名称
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3. 该数据源使用ShardingSphere驱动,会根据sharding.yaml中的规则进行分片
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## 4. 使用步骤
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### 步骤1:准备数据库表
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```sql
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-- 在jeecg-boot数据库中创建分表
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CREATE TABLE sys_log0 LIKE sys_log;
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CREATE TABLE sys_log1 LIKE sys_log;
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```
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### 步骤2:配置application-dev.yml
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```yaml
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spring:
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datasource:
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dynamic:
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datasource:
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sharding-db:
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driver-class-name: org.apache.shardingsphere.driver.ShardingSphereDriver
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url: jdbc:shardingsphere:classpath:sharding.yaml
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```
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### 步骤3:配置sharding.yaml
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- 将配置文件放在`src/main/resources/`目录下
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- 确保`databaseName: sharding-db`与数据源名称一致
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### 步骤4:在Service上添加注解
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```java
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@DS("sharding-db") // 使用分片数据源
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public class ShardingSysLogServiceImpl {
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// 业务代码
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}
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```
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### 步骤5:正常使用MyBatis-Plus
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```java
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// 插入数据时会自动根据log_type字段进行分表
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shardingSysLogService.save(sysLog);
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// 查询时也会根据分片规则路由到正确的表
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shardingSysLogService.list();
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```
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## 5. 配置验证
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启动项目后查看日志,如果看到类似输出说明配置成功:
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```
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Logic SQL: INSERT INTO sys_log (log_type, content) VALUES (?, ?)
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Actual SQL: ds0 ::: INSERT INTO sys_log0 (log_type, content) VALUES (?, ?)
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```
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## 6. 注意事项
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|
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1. **名称一致性**:确保以下三处名称完全一致
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- application-dev.yml中的数据源名称:`sharding-db`
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- sharding.yaml中的databaseName:`sharding-db`
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- Service类注解:`@DS("sharding-db")`
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2. **表结构一致**:所有分片表的结构必须完全一致
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3. **分片键选择**:选择分布均匀的字段作为分片键,避免数据倾斜
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4. **事务支持**:单表事务正常,跨表事务需要注意
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这样配置后,通过ShardingSysLogServiceImpl操作的数据会自动根据分片规则分布到不同的表中。
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@ -52,13 +52,6 @@ public class StandardModTableShardAlgorithm implements StandardShardingAlgorithm
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return collection;
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return collection;
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}
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}
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|
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/**
|
|
||||||
* 初始化对象的时候调用的方法
|
|
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*/
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|
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@Override
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|
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public void init() {
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|
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}
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|
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|
|
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/**
|
/**
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* 对应分片算法(sharding-algorithms)的类型
|
* 对应分片算法(sharding-algorithms)的类型
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*
|
*
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||||||
@ -68,19 +61,4 @@ public class StandardModTableShardAlgorithm implements StandardShardingAlgorithm
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public String getType() {
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public String getType() {
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return "STANDARD_MOD";
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return "STANDARD_MOD";
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||||||
}
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}
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|
|
||||||
@Override
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|
||||||
public Properties getProps() {
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|
||||||
return this.props;
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|
||||||
}
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|
||||||
|
|
||||||
/**
|
|
||||||
* 获取分片相关属性
|
|
||||||
*
|
|
||||||
* @param properties
|
|
||||||
*/
|
|
||||||
@Override
|
|
||||||
public void setProps(Properties properties) {
|
|
||||||
this.props = properties;
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
@ -23,23 +23,23 @@ import lombok.extern.slf4j.Slf4j;
|
|||||||
@Slf4j
|
@Slf4j
|
||||||
@Tag(name = "分库分表测试")
|
@Tag(name = "分库分表测试")
|
||||||
@RestController
|
@RestController
|
||||||
@RequestMapping("/sharding")
|
@RequestMapping("/demo/sharding")
|
||||||
public class JeecgShardingDemoController extends JeecgController<ShardingSysLog, IShardingSysLogService> {
|
public class JeecgShardingDemoController extends JeecgController<ShardingSysLog, IShardingSysLogService> {
|
||||||
@Autowired
|
@Autowired
|
||||||
private IShardingSysLogService shardingSysLogService;
|
private IShardingSysLogService shardingSysLogService;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 单库分表 —— 添加
|
* 单库分表 —— 插入
|
||||||
* @return
|
* @return
|
||||||
*/
|
*/
|
||||||
@PostMapping(value = "/test1")
|
@PostMapping(value = "/insert")
|
||||||
@Operation(summary = "单库分表插入")
|
@Operation(summary = "单库分表插入")
|
||||||
public Result<?> add() {
|
public Result<?> insert() {
|
||||||
log.info("---------------------------------单库分表插入--------------------------------");
|
log.info("---------------------------------单库分表插入--------------------------------");
|
||||||
int size = 10;
|
int size = 10;
|
||||||
for (int i = 0; i < size; i++) {
|
for (int i = 0; i < size; i++) {
|
||||||
ShardingSysLog shardingSysLog = new ShardingSysLog();
|
ShardingSysLog shardingSysLog = new ShardingSysLog();
|
||||||
shardingSysLog.setLogContent("jeecg");
|
shardingSysLog.setLogContent("采用shardingsphere实现分库分表,插入测试!");
|
||||||
shardingSysLog.setLogType(i);
|
shardingSysLog.setLogType(i);
|
||||||
shardingSysLog.setOperateType(i);
|
shardingSysLog.setOperateType(i);
|
||||||
shardingSysLogService.save(shardingSysLog);
|
shardingSysLogService.save(shardingSysLog);
|
||||||
@ -51,7 +51,7 @@ public class JeecgShardingDemoController extends JeecgController<ShardingSysLog,
|
|||||||
* 单库分表 —— 查询
|
* 单库分表 —— 查询
|
||||||
* @return
|
* @return
|
||||||
*/
|
*/
|
||||||
@PostMapping(value = "/list1")
|
@PostMapping(value = "/list")
|
||||||
@Operation(summary = "单库分表查询")
|
@Operation(summary = "单库分表查询")
|
||||||
public Result<?> list() {
|
public Result<?> list() {
|
||||||
return Result.OK(shardingSysLogService.list());
|
return Result.OK(shardingSysLogService.list());
|
||||||
@ -61,9 +61,9 @@ public class JeecgShardingDemoController extends JeecgController<ShardingSysLog,
|
|||||||
* 分库分表 - 插入
|
* 分库分表 - 插入
|
||||||
* @return
|
* @return
|
||||||
*/
|
*/
|
||||||
@PostMapping(value = "/test2")
|
@PostMapping(value = "/insert2")
|
||||||
@Operation(summary = "分库分表插入")
|
@Operation(summary = "分库分表插入")
|
||||||
public Result<?> test2() {
|
public Result<?> insert2() {
|
||||||
int start=20;
|
int start=20;
|
||||||
int size=30;
|
int size=30;
|
||||||
for (int i = start; i <= size; i++) {
|
for (int i = start; i <= size; i++) {
|
||||||
|
|||||||
@ -13,7 +13,7 @@ import org.springframework.stereotype.Service;
|
|||||||
* @date: 2022/04/21
|
* @date: 2022/04/21
|
||||||
*/
|
*/
|
||||||
@Service
|
@Service
|
||||||
@DS("sharding")
|
@DS("sharding-db")
|
||||||
public class ShardingSysLogServiceImpl extends ServiceImpl<ShardingSysLogMapper, ShardingSysLog> implements IShardingSysLogService {
|
public class ShardingSysLogServiceImpl extends ServiceImpl<ShardingSysLogMapper, ShardingSysLog> implements IShardingSysLogService {
|
||||||
|
|
||||||
}
|
}
|
||||||
@ -1,72 +0,0 @@
|
|||||||
# 双库分表配置
|
|
||||||
spring:
|
|
||||||
shardingsphere:
|
|
||||||
props:
|
|
||||||
sql-show: true
|
|
||||||
datasource:
|
|
||||||
ds0:
|
|
||||||
driverClassName: com.mysql.cj.jdbc.Driver
|
|
||||||
url: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
|
|
||||||
type: com.alibaba.druid.pool.DruidDataSource
|
|
||||||
username: root
|
|
||||||
password: root
|
|
||||||
ds1:
|
|
||||||
driverClassName: com.mysql.cj.jdbc.Driver
|
|
||||||
url: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot2?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
|
|
||||||
type: com.alibaba.druid.pool.DruidDataSource
|
|
||||||
username: root
|
|
||||||
password: root
|
|
||||||
names: ds0,ds1
|
|
||||||
# 规则配置
|
|
||||||
rules:
|
|
||||||
replica-query:
|
|
||||||
# 负载均衡算法
|
|
||||||
load-balancers:
|
|
||||||
round-robin:
|
|
||||||
type: ROUND_ROBIN
|
|
||||||
props:
|
|
||||||
default: 0
|
|
||||||
data-sources:
|
|
||||||
prds:
|
|
||||||
primary-data-source-name: ds0
|
|
||||||
replica-data-source-names: ds1
|
|
||||||
load-balancer-name: round_robin
|
|
||||||
sharding:
|
|
||||||
# 配置绑定表,每一行为一组,绑定表会提高查询效率
|
|
||||||
binding-tables:
|
|
||||||
- sys_log
|
|
||||||
# 分布式序列算法配置
|
|
||||||
key-generators:
|
|
||||||
snowflake:
|
|
||||||
type: SNOWFLAKE
|
|
||||||
props:
|
|
||||||
worker-id: 123
|
|
||||||
# 分片算法配置
|
|
||||||
sharding-algorithms:
|
|
||||||
table-classbased:
|
|
||||||
props:
|
|
||||||
strategy: standard
|
|
||||||
algorithmClassName: org.jeecg.modules.test.sharding.algorithm.StandardModTableShardAlgorithm
|
|
||||||
type: CLASS_BASED
|
|
||||||
# 通过operate_type取模的方式确定数据落在哪个库
|
|
||||||
database-inline:
|
|
||||||
type: INLINE
|
|
||||||
props:
|
|
||||||
algorithm-expression: ds$->{operate_type % 2}
|
|
||||||
tables:
|
|
||||||
# 逻辑表名称
|
|
||||||
sys_log:
|
|
||||||
#配置具体表的数据节点
|
|
||||||
actual-data-nodes: ds$->{0..1}.sys_log$->{0..1}
|
|
||||||
# 分库策略
|
|
||||||
database-strategy:
|
|
||||||
standard:
|
|
||||||
sharding-column: operate_type
|
|
||||||
sharding-algorithm-name: database-inline
|
|
||||||
# 分表策略
|
|
||||||
table-strategy:
|
|
||||||
standard:
|
|
||||||
# 分片算法名称
|
|
||||||
sharding-algorithm-name: table-classbased
|
|
||||||
# 分片列名称
|
|
||||||
sharding-column: log_type
|
|
||||||
@ -1,45 +0,0 @@
|
|||||||
#单库分表配置
|
|
||||||
spring:
|
|
||||||
shardingsphere:
|
|
||||||
props:
|
|
||||||
sql-show: true
|
|
||||||
datasource:
|
|
||||||
#添加分库数据源
|
|
||||||
ds0:
|
|
||||||
driverClassName: com.mysql.cj.jdbc.Driver
|
|
||||||
url: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
|
|
||||||
username: root
|
|
||||||
password: root
|
|
||||||
type: com.alibaba.druid.pool.DruidDataSource
|
|
||||||
names: ds0
|
|
||||||
# 规则配置
|
|
||||||
rules:
|
|
||||||
sharding:
|
|
||||||
# 配置绑定表,每一行为一组
|
|
||||||
binding-tables: sys_log
|
|
||||||
# 分布式序列算法配置
|
|
||||||
key-generators:
|
|
||||||
snowflake:
|
|
||||||
type: SNOWFLAKE
|
|
||||||
props:
|
|
||||||
worker-id: 123
|
|
||||||
# 分片算法配置
|
|
||||||
sharding-algorithms:
|
|
||||||
table-classbased:
|
|
||||||
props:
|
|
||||||
strategy: standard
|
|
||||||
# 自定义标准分配算法
|
|
||||||
algorithmClassName: org.jeecg.modules.test.sharding.algorithm.StandardModTableShardAlgorithm
|
|
||||||
type: CLASS_BASED
|
|
||||||
tables:
|
|
||||||
# 逻辑表名称
|
|
||||||
sys_log:
|
|
||||||
#配置具体表的数据节点
|
|
||||||
actual-data-nodes: ds0.sys_log$->{0..1}
|
|
||||||
# 分表策略
|
|
||||||
table-strategy:
|
|
||||||
standard:
|
|
||||||
# 分片算法名称
|
|
||||||
sharding-algorithm-name: table-classbased
|
|
||||||
# 分片列名称(对应数据库字段)
|
|
||||||
sharding-column: log_type
|
|
||||||
@ -0,0 +1,67 @@
|
|||||||
|
# !!!数据源名称要和动态数据源中配置的名称一致
|
||||||
|
databaseName: sharding-db
|
||||||
|
|
||||||
|
# 具体参看官网文档说明
|
||||||
|
dataSources:
|
||||||
|
ds0:
|
||||||
|
dataSourceClassName: com.zaxxer.hikari.HikariDataSource
|
||||||
|
driverClassName: com.mysql.cj.jdbc.Driver
|
||||||
|
jdbcUrl: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
|
||||||
|
password: root
|
||||||
|
username: root
|
||||||
|
ds1:
|
||||||
|
dataSourceClassName: com.zaxxer.hikari.HikariDataSource
|
||||||
|
driverClassName: com.mysql.cj.jdbc.Driver
|
||||||
|
jdbcUrl: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot2?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
|
||||||
|
password: root
|
||||||
|
username: root
|
||||||
|
|
||||||
|
rules:
|
||||||
|
- !SHARDING
|
||||||
|
bindingTables:
|
||||||
|
- sys_log
|
||||||
|
tables:
|
||||||
|
sys_log:
|
||||||
|
actualDataNodes: ds$->{0..1}.sys_log$->{0..1}
|
||||||
|
databaseStrategy:
|
||||||
|
standard:
|
||||||
|
shardingColumn: operate_type
|
||||||
|
shardingAlgorithmName: database-inline
|
||||||
|
tableStrategy:
|
||||||
|
standard:
|
||||||
|
shardingColumn: log_type
|
||||||
|
shardingAlgorithmName: table-classbased
|
||||||
|
keyGenerateStrategy:
|
||||||
|
column: id
|
||||||
|
keyGeneratorName: snowflake
|
||||||
|
|
||||||
|
keyGenerators:
|
||||||
|
snowflake:
|
||||||
|
type: SNOWFLAKE
|
||||||
|
props:
|
||||||
|
worker-id: 123
|
||||||
|
|
||||||
|
shardingAlgorithms:
|
||||||
|
database-inline:
|
||||||
|
type: INLINE
|
||||||
|
props:
|
||||||
|
algorithm-expression: ds$->{operate_type % 2}
|
||||||
|
table-classbased:
|
||||||
|
type: CLASS_BASED
|
||||||
|
props:
|
||||||
|
strategy: standard
|
||||||
|
algorithmClassName: org.jeecg.modules.test.sharding.algorithm.StandardModTableShardAlgorithm
|
||||||
|
|
||||||
|
- !READWRITE_SPLITTING
|
||||||
|
dataSources:
|
||||||
|
prds:
|
||||||
|
writeDataSourceName: ds0
|
||||||
|
readDataSourceNames:
|
||||||
|
- ds1
|
||||||
|
loadBalancerName: round-robin
|
||||||
|
loadBalancers:
|
||||||
|
round-robin:
|
||||||
|
type: ROUND_ROBIN
|
||||||
|
|
||||||
|
props:
|
||||||
|
sql-show: true
|
||||||
@ -0,0 +1,40 @@
|
|||||||
|
# !!!数据源名称要和动态数据源中配置的名称一致
|
||||||
|
databaseName: sharding-db
|
||||||
|
|
||||||
|
# 具体参看官网文档说明
|
||||||
|
dataSources:
|
||||||
|
db_0:
|
||||||
|
dataSourceClassName: com.zaxxer.hikari.HikariDataSource
|
||||||
|
driverClassName: com.mysql.cj.jdbc.Driver
|
||||||
|
jdbcUrl: jdbc:mysql://jeecg-boot-mysql:3306/jeecg-boot?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
|
||||||
|
password: root
|
||||||
|
username: root
|
||||||
|
|
||||||
|
rules:
|
||||||
|
- !SHARDING
|
||||||
|
tables: # 数据分片规则配置
|
||||||
|
sys_log: # 逻辑表名称
|
||||||
|
actualDataNodes: db_0.sys_log$->{0..1} # 由数据源名 + 表名组成(参考 Inline 语法规则)
|
||||||
|
databaseStrategy: # 分库策略,缺省表示使用默认分库策略,以下的分片策略只能选其一
|
||||||
|
none:
|
||||||
|
tableStrategy: # 分表策略
|
||||||
|
standard: # 用于单分片键的标准分片场景
|
||||||
|
shardingColumn: log_type # 分片列名称
|
||||||
|
shardingAlgorithmName: user_inline
|
||||||
|
keyGenerateStrategy:
|
||||||
|
column: id
|
||||||
|
keyGeneratorName: snowflake
|
||||||
|
keyGenerators:
|
||||||
|
snowflake:
|
||||||
|
type: SNOWFLAKE
|
||||||
|
props:
|
||||||
|
worker-id: 123
|
||||||
|
# 分片算法配置
|
||||||
|
shardingAlgorithms:
|
||||||
|
user_inline:
|
||||||
|
type: INLINE
|
||||||
|
props:
|
||||||
|
algorithm-expression: sys_log$->{log_type % 2}
|
||||||
|
|
||||||
|
props:
|
||||||
|
sql-show: true
|
||||||
@ -66,7 +66,7 @@
|
|||||||
|
|
||||||
<!-- 持久层 -->
|
<!-- 持久层 -->
|
||||||
<mybatis-plus.version>3.5.12</mybatis-plus.version>
|
<mybatis-plus.version>3.5.12</mybatis-plus.version>
|
||||||
<dynamic-datasource-spring-boot-starter.version>4.1.3</dynamic-datasource-spring-boot-starter.version>
|
<dynamic-datasource-spring-boot-starter.version>4.3.1</dynamic-datasource-spring-boot-starter.version>
|
||||||
<druid.version>1.2.24</druid.version>
|
<druid.version>1.2.24</druid.version>
|
||||||
|
|
||||||
<commons-io.version>2.11.0</commons-io.version>
|
<commons-io.version>2.11.0</commons-io.version>
|
||||||
@ -245,7 +245,12 @@
|
|||||||
<dependency>
|
<dependency>
|
||||||
<groupId>org.jeecgframework.boot3</groupId>
|
<groupId>org.jeecgframework.boot3</groupId>
|
||||||
<artifactId>jeecg-boot-starter-shardingsphere</artifactId>
|
<artifactId>jeecg-boot-starter-shardingsphere</artifactId>
|
||||||
<version>${jeecgboot.version}</version>
|
<version>3.8.3.1</version>
|
||||||
|
</dependency>
|
||||||
|
<dependency>
|
||||||
|
<groupId>org.jeecgframework.boot3</groupId>
|
||||||
|
<artifactId>jeecg-boot-starter-shardingsphere-nacos</artifactId>
|
||||||
|
<version>3.8.3.1</version>
|
||||||
</dependency>
|
</dependency>
|
||||||
<dependency>
|
<dependency>
|
||||||
<groupId>org.hibernate</groupId>
|
<groupId>org.hibernate</groupId>
|
||||||
|
|||||||
Reference in New Issue
Block a user