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performance
Cascade Generated Inefficient Database Query
Database queries are extremely slow after Cascade generated new data access code. The application page load takes 30+ seconds where it used to take 2 seconds. Query execution plans show full table scans or missing indexes.
Cascade likely generated queries without considering query optimization or database structure.
Error Messages You Might See
Query took 45000ms to complete
Table scan on users table
Missing index for WHERE clause
Slow query detected
Common Causes
- Cascade generated LIKE '%pattern%' query causing full table scan instead of indexed search
- Missing WHERE clause conditions allowing unnecessary data retrieval
- Cascade didn't add database indexes for frequently filtered columns
- Query returns unnecessary columns or related entities due to lazy loading
How to Fix It
Analyze query performance with EXPLAIN PLAN or database profiling. Add indexes to filtered columns. Optimize WHERE clauses to filter early. Use SELECT with specific columns instead of *. Avoid LIKE '%pattern%' on large tables. Consider query caching or denormalization for complex reports.
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Get HelpFrequently Asked Questions
How do I find slow queries?
Enable query logging in database: slow_query_log=1 in MySQL. Check application logs if query timing is logged.
What queries benefit from indexes?
Columns used in WHERE, JOIN, ORDER BY, and GROUP BY clauses. Profile first - don't blindly add indexes.