. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292 7 FAQ 293 7.1 How to debug when SQL can not be executed rightly in ShardingSphere? . . . . . . . . 293 7.2 Why do some compiling errors appear? Why did not the IDEA index the generated codes?293 7.3 Why is xsd unable to be found when Spring Namespace is used? . . . . . . . . . . . . . 294 7.4 How to solve Cloud not resolve placeholder auto‐increment keys? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295 7.8 When generic Long type SingleKeyTableShardingAlgorithm is used, why doesClassCastException: Integer can

Masking Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449 Row Value Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452 9.3.3 SQL Hint . . . . . . . . . . . . . . . . . . . 575 13.1.1 JDBC Found a JtaTransactionManager in spring boot project when integrating with XAtransaction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . incorrect result when loading Oracle metadata？ . . . . . . . . . . . . . . . . . 575 13.1.3 JDBC SQLException: Unable to unwrap to interface com.mysql. jdbc.Connection exception thrown when using MySQL XA

Masking Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418 Row Value Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422 9.3.3 SQL Hint . . . . . . . . . . . . . . . . . . . 546 13.2.1 JDBC Found a JtaTransactionManager in spring boot project when integrating with XAtransaction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . incorrect result when loading Oracle metadata？ . . . . . . . . . . . . . . . . . 547 13.2.3 JDBC SQLException: Unable to unwrap to interface com.mysql. jdbc.Connection exception thrown when using MySQL XA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 493 8.1.1 JDBC Why there may be an error when configure both shardingsphere‐jdbc‐ spring‐boot‐starter and a spring‐boot‐starter of certain datasource 493 8.1.2 JDBC Why is xsd unable to be found when Spring Namespace is used? . . . . . 493 8.1.3 JDBC Found a JtaTransactionManager in spring boot project when integrating with XAtransaction. . . . . . 8.1.4 JDBC The tableName and columnName configured in yaml or properties leading incorrect result when loading Oracle metadata？ . . . . . . . . . . . . . . . . . 494 8.2 Proxy . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 454 8.1.1 JDBC Why there may be an error when configure both shardingsphere‐jdbc‐ spring‐boot‐starter and a spring‐boot‐starter of certain datasource 454 8.1.2 JDBC Why is xsd unable to be found when Spring Namespace is used? . . . . . 454 8.1.3 JDBC Found a JtaTransactionManager in spring boot project when integrating with XAtransaction. . . . . . 8.1.4 JDBC The tableName and columnName configured in yaml or properties leading incorrect result when loading Oracle metadata？ . . . . . . . . . . . . . . . . . 455 8.2 Proxy . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . 303 7.7.1 1. [JDBC] Why there may be an error when configure both shardingsphere‐jdbc‐ spring‐boot‐starter and a spring‐boot‐starter of certain datasource 2 2. [JDBC] Why is xsd unable to be found when Spring Namespace is used? . . . 303 7.7.3 3. [JDBC] Found a JtaTransactionManager in spring boot project when integrat‐ ing with transaction of XA . . to solve it? . . . . . . . . . . . 304 7.7.5 5. [Proxy] How to add a new logic schema dynamically when use ShardingSphere‐Proxy? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 7.7

. . . . . . . . . . . . . . . . . . . . . . . . . . . 345 7.8.1 [JDBC] Why there may be an error when configure both shardingsphere‐jdbc‐ spring‐boot‐starter and a spring‐boot‐starter of certain datasource 7.8.2 [JDBC] Why is xsd unable to be found when Spring Namespace is used? . . . . . 346 7.8.3 [JDBC] Found a JtaTransactionManager in spring boot project when integrating with transaction of XA . . . how to solve it? . . . . . . . . . . . 346 7.8.5 [Proxy] How to add a new logic schema dynamically when use ShardingSphere‐ Proxy? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . 357 7.8.1 [JDBC] Why there may be an error when configure both shardingsphere‐jdbc‐ spring‐boot‐starter and a spring‐boot‐starter of certain datasource 7.8.2 [JDBC] Why is xsd unable to be found when Spring Namespace is used? . . . . . 358 7.8.3 [JDBC] Found a JtaTransactionManager in spring boot project when integrating with transaction of XA . . . how to solve it? . . . . . . . . . . . 358 7.8.5 [Proxy] How to add a new logic schema dynamically when use ShardingSphere‐ Proxy? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

newly assigned jobs dynamically • Job Governance – Failover – Misfired – Self diagnose and recover when distribute environment unstable • Job Dependency (TODO) – DAG based job dependency – DAG based case 0: // do something by sharding item 0 break; case 1: // do something by sharding item 1 break; case 2: // do something by sharding item 2 break; // case n: ... } } } 5 Apache ShardingSphere the usage of resources ElasticJob provides a flexible way to maximize the throughput of the jobs. When new job server joins, ElasticJob will be aware of it from the registry, and will re‐shard in the

fields. Student.xml File To define SQL mapping statement using MyBatis, we would use tag. Inside this tag definition, we would define an "id." Further, the ‘id’ will be used in the mybatisInsert To define SQL mapping statement using MyBatis, we would add tag in Student.xml file and inside this tag definition, we would define an "id" which will be used in mybatisRead.java file for executing File To define SQL mapping statement using MyBatis, we would add tag in Student.xml and inside this tag definition, we would define an "id" which will be used in mybatisUpdate.java file for executing

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