Performance problem using the JQL function TestExecutionTests() with a large number of issues

Performance problem using the JQL function TestExecutionTests() in some cases it doesn't returns any result and other cases it take too long to execute.

This problem occurs, with a large number of issues.

Steps to reproduce

Step	Result
Have a filter with around 900 Test Execution
Associate around 90 Tests for each Test Execution (~80000 Tests)
Run the JQL function TestExecutionTests() for the saved filter