Function monitorQuery

monitorQuery(
    target: any,
    propertyName: string,
    descriptor: PropertyDescriptor,
): PropertyDescriptor
Query Performance Monitoring Decorator for Educational Platform Operations

TypeScript decorator that automatically monitors database query performance for educational platform operations. Helps identify slow queries that could impact the learning experience without requiring manual instrumentation.

Educational Platform Focus:
- Course loading and content delivery performance
- User progress tracking and analytics speed
- Exercise retrieval and submission efficiency
- Search and discovery operation timing
Community Benefits:
- Automatic detection of performance issues
- Detailed logging for troubleshooting
- Proactive identification of optimization opportunities
- Zero-overhead monitoring for production use
Usage Pattern: Apply to repository methods and service operations that interact with the database to automatically track their performance impact on the community's learning experience.
Parameters
- target: any
  The class containing the method to monitor
- propertyName: string
  The name of the method being monitored
- descriptor: PropertyDescriptor
  The method descriptor for decoration
Returns PropertyDescriptor
Modified descriptor with performance monitoring
Example
```
class CourseRepository {
  async findCoursesByLanguage(language: string) {
    return await this.prisma.course.findMany({ where: { target_language: language } });
  }
}
```
- Defined in src/shared/database/optimization.ts:592

Function monitorQuery

Parameters

Returns PropertyDescriptor

Example

Settings