混合规则

混合配置的规则项之间的叠加使用是通过数据源名称和表名称关联的。

如果前一个规则是面向数据源聚合的，下一个规则在配置数据源时，则需要使用前一个规则配置的聚合后的逻辑数据源名称； 同理，如果前一个规则是面向表聚合的，下一个规则在配置表时，则需要使用前一个规则配置的聚合后的逻辑表名称。

配置项说明

  1. # 数据源配置
  2. # 数据源名称，多数据源以逗号分隔
  3. spring.shardingsphere.datasource.names= write-ds0,write-ds1,write-ds0-read0,write-ds1-read0
  5. spring.shardingsphere.datasource.write-ds0.url= # 数据库 URL 连接
  6. spring.shardingsphere.datasource.write-ds0.type=  # 数据库连接池类名称
  7. spring.shardingsphere.datasource.write-ds0.driver-class-name= # 数据库驱动类名
  8. spring.shardingsphere.datasource.write-ds0.username= # 数据库用户名
  9. spring.shardingsphere.datasource.write-ds0.password= # 数据库密码
  10. spring.shardingsphere.datasource.write-ds0.xxx=  # 数据库连接池的其它属性
  12. spring.shardingsphere.datasource.write-ds1.url= # 数据库 URL 连接
  13. ... 忽略其他数据库配置项
  15. spring.shardingsphere.datasource.write-ds0-read0.url= # 数据库 URL 连接
  16. ... 忽略其他数据库配置项
  18. spring.shardingsphere.datasource.write-ds1-read0.url= # 数据库 URL 连接
  19. ... 忽略其他数据库配置项
  21. # 分片规则配置
  22. # 分库策略
  23. spring.shardingsphere.rules.sharding.default-database-strategy.standard.sharding-column=user_id
  24. spring.shardingsphere.rules.sharding.default-database-strategy.standard.sharding-algorithm-name=default-database-strategy-inline
  25. # 绑定表规则，多组绑定规则使用数组形式配置
  26. spring.shardingsphere.rules.sharding.binding-tables[0]=t_user,t_user_detail # 绑定表名称，多个表之间以逗号分隔
  27. spring.shardingsphere.rules.sharding.binding-tables[1]= # 绑定表名称，多个表之间以逗号分隔
  28. spring.shardingsphere.rules.sharding.binding-tables[x]= # 绑定表名称，多个表之间以逗号分隔
  29. # 广播表规则配置
  30. spring.shardingsphere.rules.sharding.broadcast-tables= # 广播表名称，多个表之间以逗号分隔
  32. # 分表策略
  33. # 表达式 `ds_$->{0..1}`枚举的数据源为读写分离配置的逻辑数据源名称
  34. spring.shardingsphere.rules.sharding.tables.t_user.actual-data-nodes=ds_$->{0..1}.t_user_$->{0..1}
  35. spring.shardingsphere.rules.sharding.tables.t_user.table-strategy.standard.sharding-column=user_id
  36. spring.shardingsphere.rules.sharding.tables.t_user.table-strategy.standard.sharding-algorithm-name=user-table-strategy-inline
  38. spring.shardingsphere.rules.sharding.tables.t_user_detail.actual-data-nodes=ds_$->{0..1}.t_user_detail_$->{0..1}
  39. spring.shardingsphere.rules.sharding.tables.t_user_detail.table-strategy.standard.sharding-column=user_id
  40. spring.shardingsphere.rules.sharding.tables.t_user_detail.table-strategy.standard.sharding-algorithm-name=user-detail-table-strategy-inline
  42. # 数据加密配置
  43. # `t_user` 使用分片规则配置的逻辑表名称
  44. spring.shardingsphere.rules.encrypt.tables.t_user.columns.user_name.cipher-column=user_name
  45. spring.shardingsphere.rules.encrypt.tables.t_user.columns.user_name.encryptor-name=name-encryptor
  46. spring.shardingsphere.rules.encrypt.tables.t_user.columns.pwd.cipher-column=pwd
  47. spring.shardingsphere.rules.encrypt.tables.t_user.columns.pwd.encryptor-name=pwd-encryptor
  49. # 数据加密算法配置
  50. spring.shardingsphere.rules.encrypt.encryptors.name-encryptor.type=AES
  51. spring.shardingsphere.rules.encrypt.encryptors.name-encryptor.props.aes-key-value=123456abc
  52. spring.shardingsphere.rules.encrypt.encryptors.pwd-encryptor.type=AES
  53. spring.shardingsphere.rules.encrypt.encryptors.pwd-encryptor.props.aes-key-value=123456abc
  55. # 分布式序列策略配置
  56. spring.shardingsphere.rules.sharding.tables.t_user.key-generate-strategy.column=user_id
  57. spring.shardingsphere.rules.sharding.tables.t_user.key-generate-strategy.key-generator-name=snowflake
  59. # 分片算法配置
  60. spring.shardingsphere.rules.sharding.sharding-algorithms.default-database-strategy-inline.type=INLINE
  61. # 表达式`ds_$->{user_id % 2}` 枚举的数据源为读写分离配置的逻辑数据源名称
  62. spring.shardingsphere.rules.sharding.sharding-algorithms.default-database-strategy-inline.algorithm-expression=ds_$->{user_id % 2}
  63. spring.shardingsphere.rules.sharding.sharding-algorithms.user-table-strategy-inline.type=INLINE
  64. spring.shardingsphere.rules.sharding.sharding-algorithms.user-table-strategy-inline.algorithm-expression=t_user_$->{user_id % 2}
  66. spring.shardingsphere.rules.sharding.sharding-algorithms.user-detail-table-strategy-inline.type=INLINE
  67. spring.shardingsphere.rules.sharding.sharding-algorithms.user-detail-table-strategy-inline.algorithm-expression=t_user_detail_$->{user_id % 2}
  69. # 分布式序列算法配置
  70. spring.shardingsphere.rules.sharding.key-generators.snowflake.type=SNOWFLAKE
  71. spring.shardingsphere.rules.sharding.key-generators.snowflake.props.worker-id=123
  73. # 读写分离策略配置
  74. # ds_0,ds_1为读写分离配置的逻辑数据源名称
  75. spring.shardingsphere.rules.readwrite-splitting.data-sources.ds_0.write-data-source-name=write-ds0
  76. spring.shardingsphere.rules.readwrite-splitting.data-sources.ds_0.read-data-source-names=write-ds0-read0
  77. spring.shardingsphere.rules.readwrite-splitting.data-sources.ds_0.load-balancer-name=read-random
  78. spring.shardingsphere.rules.readwrite-splitting.data-sources.ds_1.write-data-source-name=write-ds1
  79. spring.shardingsphere.rules.readwrite-splitting.data-sources.ds_1.read-data-source-names=write-ds1-read0
  80. spring.shardingsphere.rules.readwrite-splitting.data-sources.ds_1.load-balancer-name=read-random
  82. # 负载均衡算法配置
  83. spring.shardingsphere.rules.readwrite-splitting.load-balancers.read-random.type=RANDOM