Statement and PreparedStatement Interface • Do not support statements that return multiple result sets (stored procedures, multiple pieces of non‐SELECT data) • Do not support the operation of international can also be installed via SDKMAN!. 2. Install the native-image component via the GraalVM Updater tool. 3. Install the local toolchain as required by https://www.graalvm.org/22.2/reference‐manual/nati v5.2.1 Modulo sharding algorithm provided by CosId Modulo sharding algorithm implemented by the tool class based on me.ahoo.cosid:cosid-core. See the discussion at https://github.com/apache/shardin

Statement and PreparedStatement Interface • Do not support statements that return multiple result sets (stored procedures, multiple pieces of non‐SELECT data) • Do not support the operation of international Gradle Plugin to simplify long list of shell commands for GraalVM CE’s native-image command line tool. ShardingSphere JDBC requires GraalVM Native Image to be built with GraalVM CE as follows or higher com/graalvm/native‐build‐tools and providing the Plugin implementation of the corresponding build tool. 9.1. ShardingSphere-JDBC 138 Apache ShardingSphere document Usage restrictions 1. The following

Statement and PreparedStatement Interface • Do not support statements that return multiple result sets (stored procedures, multiple pieces of non‐SELECT data) • Do not support the operation of international Gradle Plugin to simplify long list of shell commands for GraalVM CE’s native-image command line tool. ShardingSphere JDBC requires GraalVM Native Image to be built with GraalVM CE as follows or higher com/graalvm/native‐build‐tools and providing the Plugin implementation of the corresponding build tool. Usage restrictions 1. The following algorithm classes are not available under GraalVM Native Image

Statement and PreparedStatement Interface • Do not support statements that return multiple result sets (stored procedures, multiple pieces of non‐SELECT data) • Do not support the operation of international org.apache.shardingsphere.infra.merge.engine.ResultProcessEngine Definition Used to process result sets Implementation classes C onfigura- tion type Description Fully-qualified class name Shardi ngRule performance, so that the experiment doesn't subject to DB performance bottleneck. Stress testing tool Refer to sysbench’s GitHub ShardingSphere-Proxy bin/start.sh -Xmx16g -Xms16g -Xmn8g # Adjust JVM

multi‐thread executor, it executes asynchronously. Result Merger It merges multiple execution result sets to output through unified JDBC interface. Result merger in‐ cludes methods as stream merger, memory MEMORY_STRICTLY mode to lock resources. When using CONNECTION_STRICTLY mode, all the query result sets will release database connection resources after loading them to the memory, so deadlock wait will visited line by line, and return that result set. Decorator merger merges and reinforces all the result sets function uniformly. Currently, decorator merger has pagination merger and aggregation merger these

Statement and PreparedStatement Interface • Do not support statements that return multiple result sets (stored procedures, multiple pieces of non‐SELECT data) • Do not support the operation of international shardingsphere/shardingsphere-proxy Introduction to ShardingSphere-Proxy These charts use the Helm tool to provide guidance for the installation of a ShardingSphere‐Proxy in‐ stance in a Kubernetes cluster multi‐thread executor, it executes asynchronously. 7.2.5 Result Merger It merges multiple execution result sets to output through unified JDBC interface. Result merger in‐ cludes methods as stream merger, memory

Statement and PreparedStatement Interface • Do not support statements that return multiple result sets (stored procedures, multiple pieces of non‐SELECT data) • Do not support the operation of international multi‐thread executor, it executes asynchronously. 7.1.5 Result Merger It merges multiple execution result sets to output through unified JDBC interface. Result merger in‐ cludes methods as stream merger, memory MEMORY_STRICTLY mode to lock resources. When using CONNECTION_STRICTLY mode, all the query result sets will release database connection resources after loading them to the memory, so deadlock wait will

Statement and PreparedStatement Interface • Do not support statements that return multiple result sets (stored procedures, multiple pieces of non‐SELECT data) • Do not support the operation of international multi‐thread executor, it executes asynchronously. 7.2.5 Result Merger It merges multiple execution result sets to output through unified JDBC interface. Result merger in‐ cludes methods as stream merger, memory MEMORY_STRICTLY mode to lock resources. When using CONNECTION_STRICTLY mode, all the query result sets will release database connection resources after loading them to the memory, so deadlock wait will

queries based on parameters. Supports O/RM − MyBatis supports many of the same features as an O/RM tool, such as lazy loading, join fetching, caching, runtime code generation, and inheritance. MyBatis

src/main/resources/case/${SQL-TYPE}/*.xml 在 xml 文件中，可以针对表名，token，SQL 条 件等进行断言，例如如下的配置： sets> type="int" /> sets> 设 置 好 上 面 两 类 数 据， 开 发 者 就 可 以 通 过 shardingsphere-sql-parser/ shardingsphere-sql-parser-test 下对应的测试引擎启动

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