CoordinatorRegistryCenter regCenter = new ZookeeperRegistryCenter(new ZookeeperConfiguration("zk_host:2181", "my-job")); regCenter.init(); return regCenter; } private static JobConfiguration createJobConfiguration() n()).schedule(); // Type-based Scheduling Jobs new ScheduleJobBootstrap(createRegistryCenter(), "MY_TYPE", createJobConfiguration()).schedule(); } private static CoordinatorRegistryCenter createRegistryCenter() center for job --> <

AND, >, <, >=, <=)? . . . . . . . . . . . . . . . . . . . . . . . . . 349 7.8.15 [Sharding] Why does my custom distributed primary key do not work after im‐ plementing KeyGenerateAlgorithm interface and v5.1.1 Shardi ngSphere-JDBC Shardin gSphere-Proxy ShardingS phere-Sidecar Database Any My SQL/PostgreSQL My SQL/PostgreSQL Connections Count Cost High Low High Supported Languages Java Only Any Any ShardingSphere document, v5.1.1 SQL CREATE type avg_state AS (total bigint, count bigint); CREATE AGGREGATE my_avg(int4) (stype = avg_state, sfunc = avg_transfn, finalfunc = avg_finalfn) CREATE TABLE agg_data_2k

CoordinatorRegistryCenter regCenter = new ZookeeperRegistryCenter(new ZookeeperConfiguration("zk_host:2181", "my-job")); regCenter.init(); return regCenter; } private static JobConfiguration createJobConfiguration() createJobConfiguration()).schedule(); // 调度基于 type 类型的作业 new ScheduleJobBootstrap(createRegistryCenter(), "MY_TYPE", createJobConfiguration()).schedule(); } private static CoordinatorRegistryCenter createRegistryCenter() "> <

AND, >, <, >=, <=)? . . . . . . . . . . . . . . . . . . . . . . . . . 361 7.8.15 [Sharding] Why does my custom distributed primary key do not work after im‐ plementing KeyGenerateAlgorithm interface and v5.1.2 Shardi ngSphere-JDBC Shardin gSphere-Proxy ShardingS phere-Sidecar Database Any My SQL/PostgreSQL My SQL/PostgreSQL Connections Count Cost High Low High Supported Languages Java Only Any Any openGauss are as follows: SQL CREATE type avg_state AS (total bigint, count bigint); CREATE AGGREGATE my_avg(int4) (stype = avg_state, sfunc = avg_transfn, finalfunc = avg_finalfn) CREATE TABLE agg_data_2k

<, >=, <=)? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458 8.3.8 Sharding Why does my custom distributed primary key do not work after imple‐ menting KeyGenerateAlgorithm interface and classpath. client { application.id = example ## Apply the only primary key transaction.service.group = my_test_tx_group ## The transaction group it belongs to. } Modify the file.conf and registry.conf files root@localhost:root - my_user@:pwd provider: type: ALL_PERMITTED The above configuration indicates: ‐ The user root can connect to Proxy only through localhost, and the password is root. ‐ The user my_user can

solve Type is required error? . . . . . . . . . . . . . . . . . . . . . . . . . 299 7.16 Why does my custom distributed primary key do not work after implementing Shard- ingKeyGenerator interface and 0.0-beta Shardi ngSphere-JDBC Shardin gSphere-Proxy ShardingS phere-Sidecar Database Any My SQL/PostgreSQL My SQL/PostgreSQL Connections Count Cost High Low High Supported Languages Java Only Any Any Comparison Shardi ngSphere-JDBC Shardin gSphere-Proxy ShardingS phere-Sidecar Database Any My SQL/PostgreSQL My SQL/PostgreSQL Connections Count Cost More Less More Supported Languages Java Only Any Any

<, >=, <=)? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497 8.3.8 Sharding Why does my custom distributed primary key do not work after imple‐ menting KeyGenerateAlgorithm interface and classpath. client { application.id = example ## Apply the only primary key transaction.service.group = my_test_tx_group ## The transaction group it belongs to. } Modify the file.conf and registry.conf files root@localhost:root - my_user@:pwd provider: type: ALL_PERMITTED The above configuration indicates: ‐ The user root can connect to Proxy only through localhost, and the password is root. ‐ The user my_user can

<, >=, <=)? . . . . . . . . . . . . . . . . . . . . . . . . . 307 7.7.14 14. [Sharding] Why does my custom distributed primary key do not work after implementing KeyGenerateAlgorithm interface and configuring v5.0.0 Shardi ngSphere-JDBC Shardin gSphere-Proxy ShardingS phere-Sidecar Database Any My SQL/PostgreSQL My SQL/PostgreSQL Connections Count Cost High Low High Supported Languages Java Only Any Any Comparison Shardi ngSphere-JDBC Shardin gSphere-Proxy ShardingS phere-Sidecar Database Any My SQL/PostgreSQL My SQL/PostgreSQL Connections Count Cost More Less More Supported Languages Java Only Any Any

openGauss 不支持的 SQL 清单如下： SQL CREATE type avg_state AS (total bigint, count bigint); CREATE AGGREGATE my_avg(int4) (stype = avg_state, sfunc = avg_transfn, finalfunc = avg_finalfn) CREATE TABLE agg_data_2k PostgreSQL 不支持的 SQL 清单如下： SQL CREATE type avg_state AS (total bigint, count bigint); CREATE AGGREGATE my_avg(int4) (stype = avg_state, sfunc = avg_transfn, finalfunc = avg_finalfn) CREATE TABLE agg_data_2k classpath 中增加 seata.conf 文件。 client { application.id = example ## 应用唯一主键 transaction.service.group = my_test_tx_group ## 所属事务组 } 根据实际场景修改 Seata 的 file.conf 和 registry.conf 文件。 可观察性 介绍如何使用可观察性探针和集成第三方应用。

ShardingSphere document, v5.1.1 SQL CREATE type avg_state AS (total bigint, count bigint); CREATE AGGREGATE my_avg(int4) (stype = avg_state, sfunc = avg_transfn, finalfunc = avg_finalfn) CREATE TABLE agg_data_2k PostgreSQL 不支持的 SQL 清单如下： SQL CREATE type avg_state AS (total bigint, count bigint); CREATE AGGREGATE my_avg(int4) (stype = avg_state, sfunc = avg_transfn, finalfunc = avg_finalfn) CREATE TABLE agg_data_2k classpath 中增加 seata.conf 文件。 client { application.id = example ## 应用唯一主键 transaction.service.group = my_test_tx_group ## 所属事务组 } 根据实际场景修改 Seata 的 file.conf 和 registry.conf 文件。 可观察性 介绍如何使用可观察性探针和集成第三方应用。