SQL Rewrite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 SQL Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Result Merger . . identical. The core consists of SQL parsing => query optimization => SQL route => SQL rewrite => SQL execution => result merger. 3.1. Sharding 22 Apache ShardingSphere document, v5.0.0-beta SQL Parsing It correctness rewrite and optimization rewrite. SQL Execution Through multi‐thread executor, it executes asynchronously. Result Merger It merges multiple execution result sets to output through unified JDBC

Rewrite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 7.1.4 SQL Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 7.1.5 Result Merger Connection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Automatic Execution Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 7.1.11 Merger Engine . . is positioned as a Database Plus, and aims at building a new criterion and ecosystem above multi‐model databases. It focuses on how to reuse existing databases and their re‐ spective upper layer, rather

Rewrite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 7.2.4 SQL Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256 7.2.5 Result Merger Connection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 Automatic Execution Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274 7.2.11 Merger Engine . . replaced by pluggable way. It includes query optimizer, distributed transaction en‐ gine, distributed execution engine, authority engine and scheduling engine. L2 Feature Layer Used to provide enhanced capability

Old Java Objects POJO class corresponding to the table. This class describes the objects that will "model" database table rows. The POJO class would have implementation for all the methods required to perform Compilation and Execution Here are the steps to compile and run the mybatisInsert.java file. Make sure, you have set PATH and CLASSPATH appropriately before proceeding for compilation and execution. Create Compilation and Execution Here are the steps to compile and run the mybatisRead_ALL file. Make sure, you have set PATH and CLASSPATH appropriately before proceeding for compilation and execution. Create Student

Rewrite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 7.4.4 SQL Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 7.4.5 Result Merger Connection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377 Automatic Execution Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378 7.4.11 Merger Engine . . Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392 7.6.2 Execution Stage Explained . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393 Preparation . .

Rewrite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 7.2.4 SQL Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 7.2.5 Result Merger Connection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Automatic Execution Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 viii 7.2.11 Merger Engine replaced by pluggable way. It includes query optimizer, distributed transaction en‐ gine, distributed execution engine, authority engine and scheduling engine. L2 Feature Layer Used to provide enhanced capability

Rewrite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387 xi 7.4.4 SQL Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387 7.4.5 Result Merger Connection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404 Automatic Execution Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405 7.4.11 Merger Engine . . Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419 7.6.2 Execution Stage Explained . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420 Preparation . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Concepts & Features 7 5.1 Schedule Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5.2 Elastic Schedule . . . . . . . . . . . . . . . . . 14 5.3.2 Execution mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Notification execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Enquiry execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 5.3.3 Scenarios: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rewrite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499 12.4.4 SQL Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499 12.4.5 Result Merger Connection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515 Automatic Execution Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 517 12.4.11 Merger Engine . . Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531 12.6.2 Execution Stage Explained . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 532 Preparation . .

Rewrite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528 12.4.4 SQL Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528 12.4.5 Result Merger Connection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 544 Automatic Execution Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 546 12.4.11 Merger Engine . . Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560 12.6.2 Execution Stage Explained . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561 Preparation . .