MySQL :: MySQL Internals Manual :: 9.17 Testing

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MySQL Internals Manual :: 9 Tracing the Optimizer :: 9.17 Testing

« 9.16 Preventing Use of Optimizer Trace

9.18 Implementation »

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9 Tracing the Optimizer
9.1 Typical Usage
9.2 System Variables Controlling the Trace
9.3 The INFORMATION_SCHEMA.OPTIMIZER_TRACE Table
9.4 Traceable Queries
9.5 Automatic Trace Purging
9.6 Tuning Trace Purging
9.7 Tracing Memory Usage
9.8 Privilege Checking
9.9 Interaction with the --debug Option
9.10 The optimizer_trace System Variable
9.11 The end_markers_in_json System Variable
9.12 Selecting Optimizer Features to Trace
9.13 General Trace Structure
9.14 Example
9.15 Nicely Displaying a Trace
9.16 Preventing Use of Optimizer Trace
9.17 Testing
9.18 Implementation

9.17. Testing

This feature is tested in mysql-test/suite/opt_trace and unittest/gunit/opt_trace-t.

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