[GitHub] [incubator-shardingsphere] geomonlin opened a new issue #3732: sharding-proxy query different results of data when 'max.connections.size.per.query' is diffetent for server.yaml

[GitBox <gi...@apache.org>]

geomonlin opened a new issue #3732: sharding-proxy query different results of data  when 'max.connections.size.per.query' is diffetent for server.yaml
URL: https://github.com/apache/incubator-shardingsphere/issues/3732
 
 
   Sharding-Proxy Version: dev
   configuration:
        config-sharding.yaml
      ```
   schemaName: sharding_db
   
   dataSources:
     ds_0:
       url: jdbc:mysql://127.0.0.1:3306/demo_ds_0?serverTimezone=UTC&useSSL=false
       username: root
       password:
       connectionTimeoutMilliseconds: 30000
       idleTimeoutMilliseconds: 60000
       maxLifetimeMilliseconds: 1800000
       maxPoolSize: 50
     ds_1:
       url: jdbc:mysql://127.0.0.1:3306/demo_ds_1?serverTimezone=UTC&useSSL=false
       username: root
       password:
       connectionTimeoutMilliseconds: 30000
       idleTimeoutMilliseconds: 60000
       maxLifetimeMilliseconds: 1800000
       maxPoolSize: 50
   
   shardingRule:
     tables:
       t_order:
         actualDataNodes: ds_${0..1}.t_order_${0..1}
         tableStrategy:
           inline:
             shardingColumn: order_id
             algorithmExpression: t_order_${order_id % 2}
         keyGenerator:
           type: SNOWFLAKE
           column: order_id
       t_order_item:
         actualDataNodes: ds_${0..1}.t_order_item_${0..1}
         tableStrategy:
           inline:
             shardingColumn: order_id
             algorithmExpression: t_order_item_${order_id % 2}
         keyGenerator:
           type: SNOWFLAKE
           column: order_item_id
     bindingTables:
       - t_order,t_order_item
     broadcastTables:
       - t_address
     defaultDatabaseStrategy:
       inline:
         shardingColumn: user_id
         algorithmExpression: ds_${user_id % 2}
     defaultTableStrategy:
       none:
   
   ```
   server.yaml
     when max.connections.size.per.query=1
   ```
   authentication:
     users:
       root:
         password:
       sharding:
         password: sharding 
         authorizedSchemas: sharding_db
   
   props:
     max.connections.size.per.query: 1
     acceptor.size: 16  # The default value is available processors count * 2.
     executor.size: 16  # Infinite by default.
     proxy.frontend.flush.threshold: 128  # The default value is 128.
       # LOCAL: Proxy will run with LOCAL transaction.
       # XA: Proxy will run with XA transaction.
       # BASE: Proxy will run with B.A.S.E transaction.
     proxy.transaction.type: LOCAL
     proxy.opentracing.enabled: false
     query.with.cipher.column: true
     sql.show: false
   
   ```
   print result：
   ```
   ---------------------------- Print Order Data -----------------------
   ---------------------------- Print Order Data -----------------------
   order_id: 412075829204353025, user_id: 2, address_id: 2, status: INSERT_TEST
   order_id: 412075829279850497, user_id: 4, address_id: 4, status: INSERT_TEST
   order_id: 412075829330182145, user_id: 6, address_id: 6, status: INSERT_TEST
   order_id: 412075829384708097, user_id: 8, address_id: 8, status: INSERT_TEST
   order_id: 412075829439234049, user_id: 10, address_id: 10, status: INSERT_TEST
   order_id: 412075829162409984, user_id: 1, address_id: 1, status: INSERT_TEST
   order_id: 412075829246296064, user_id: 3, address_id: 3, status: INSERT_TEST
   order_id: 412075829300822016, user_id: 5, address_id: 5, status: INSERT_TEST
   order_id: 412075829359542272, user_id: 7, address_id: 7, status: INSERT_TEST
   order_id: 412075829414068224, user_id: 9, address_id: 9, status: INSERT_TEST
   ```
   
   when max.connections.size.per.query>1,such as: max.connections.size.per.query:2 (The others configuration are the same)
   
   print result：
   ```
   ---------------------------- Print Order Data -----------------------
   order_id: 412072322820734976, user_id: 1, address_id: 1, status: INSERT_TEST
   order_id: 412072323223388160, user_id: 3, address_id: 3, status: INSERT_TEST
   order_id: 412072323273719808, user_id: 5, address_id: 5, status: INSERT_TEST
   order_id: 412072323319857152, user_id: 7, address_id: 7, status: INSERT_TEST
   order_id: 412072323365994496, user_id: 9, address_id: 9, status: INSERT_TEST
   ```
   Run Example:
   [click](https://github.com/apache/incubator-shardingsphere-example/blob/dev/sharding-proxy-example/sharding-proxy-boot-mybatis-example/src/main/java/org/apache/shardingsphere/example/proxy/spring/boot/mybatis/SpringBootStarterExample.java)

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