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MySQL Internals Manual
Preface and Legal Notice
A Guided Tour Of The MySQL Source Code
Coding Guidelines
Reusable Classes and Templates
Building MySQL Server with CMake
Plugins
Transaction Handling in the Server
The Optimizer
Tracing the Optimizer
Typical Usage
System Variables Controlling the Trace
The INFORMATION_SCHEMA OPTIMIZER_TRACE Table
Traceable Queries
Automatic Trace Purging
Tuning Trace Purging
Tracing Memory Usage
Privilege Checking
Interaction with the --debug Option
The optimizer_trace System Variable
The end_markers_in_json System Variable
Selecting Optimizer Features to Trace
General Trace Structure
Example
Nicely Displaying a Trace
Preventing Use of Optimizer Trace
Testing
Implementation
Memory Allocation
Important Algorithms and Structures
File Formats
How MySQL Performs Different Selects
How MySQL Transforms Subqueries
MySQL Client/Server Protocol
X Protocol
Stored Programs
Prepared Statement and Stored Routine Re-Execution
Writing a Procedure
Replication
The Binary Log
MyISAM Storage Engine
InnoDB Storage Engine
Writing a Custom Storage Engine
Test Synchronization
Injecting Test Faults
How to Create Good Test Cases
Error Messages
MySQL Source Code Distribution
InnoDB Source Code Distribution
Index
MySQL Internals Manual
/
Tracing the Optimizer
/ Testing
8.17 Testing
This feature is tested in mysql-test/suite/opt_trace and unittest/gunit/opt_trace-t.
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