Java：完善 ShardingSphere Demo 分库分表的 字段及规则表达式

Author: TommyLemon

APIJSON-Java-Server/APIJSONDemo-ShardingSphere/MySQL/ds_1_single/ds_1_Comment_0.sql

@@ -56,4 +56,4 @@ UNLOCK TABLES;
 /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
 /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
 
--- Dump completed on 2025-02-03 23:27:31
+-- Dump completed on 2025-02-03 23:54:01

APIJSON-Java-Server/APIJSONDemo-ShardingSphere/MySQL/ds_1_single/ds_1_Comment_1.sql

@@ -56,4 +56,4 @@ UNLOCK TABLES;
 /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
 /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
 
--- Dump completed on 2025-02-03 23:27:32
+-- Dump completed on 2025-02-03 23:54:02

APIJSON-Java-Server/APIJSONDemo-ShardingSphere/MySQL/ds_1_single/ds_1_Moment_0.sql

@@ -1,12 +1,3 @@
-rules:
-  - !SHARDING
-    tables: # Sharding table configuration
-      apijson_user:
-        actualDataNodes: ds-$->{0..1}.apijson_user  # 分库 shading databases/schemas
-      Moment: # Logic table name
-        actualDataNodes: ds-0.Moment_$->{0..1}  # 分表 shading tables
-      Comment: # Logic table name
-        actualDataNodes: ds-$->{0..1}.Comment_$->{0..1}  # 分库*分表 shading both databases/schemas and tables
 dataSources:
   ds-0:
     dataSourceClassName: com.zaxxer.hikari.HikariDataSource
@@ -19,4 +10,48 @@ dataSources:
     driverClassName: com.mysql.jdbc.Driver
     jdbcUrl: jdbc:mysql://localhost:3306/ds_2?serverTimezone=GMT%2B8&useUnicode=true&characterEncoding=UTF-8
     username: root
-    password: apijson
+    password: apijson
+
+rules:
+  - !SHARDING
+    tables: # Sharding table configuration
+      apijson_user:
+        actualDataNodes: ds-$->{0..1}.apijson_user  # 分库 shading databases/schemas
+        databaseStrategy:
+          standard:
+            shardingColumn: id
+            shardingAlgorithmName: user-sharding-ds
+      Moment: # Logic table name
+        actualDataNodes: ds-0.Moment_$->{0..1}  # 分表 shading tables
+        tableStrategy:
+          standard:
+            shardingColumn: userId
+            shardingAlgorithmName: moment-sharding-table
+      Comment: # Logic table name
+        actualDataNodes: ds-$->{0..1}.Comment_$->{0..1}  # 分库*分表 shading both databases/schemas and tables
+        databaseStrategy:
+          standard:
+            shardingColumn: userId
+            shardingAlgorithmName: comment-sharding-ds
+        tableStrategy:
+          standard:
+            shardingColumn: momentId
+            shardingAlgorithmName: comment-sharding-table
+
+    shardingAlgorithms:
+      user-sharding-ds:
+        type: INLINE
+        props:
+          algorithm-expression: ds-${id % 2}
+      moment-sharding-table:
+        type: INLINE
+        props:
+          algorithm-expression: Moment_${userId % 2}
+      comment-sharding-ds:
+        type: INLINE
+        props:
+          algorithm-expression: ds-${userId % 2}
+      comment-sharding-table:
+        type: INLINE
+        props:
+          algorithm-expression: Comment_${momentId % 2}