PostgreSQL Query Logging: Debug Failed Queries (Grafana Migration example) скачать в хорошем качестве

PostgreSQL Query Logging: Debug Failed Queries (Grafana Migration example)

Learn how to enable PostgreSQL query logging to identify and fix failed SQL statements. This is essential when debugging any database issue—whether you're troubleshooting application bugs, data type errors, or even something like migrating Grafana from SQLite to PostgreSQL. 📖 Full Guide: https://bitbucket.org/itsuperhighway/... In This Video: ✅ Enable query logging in PostgreSQL step-by-step ✅ Locate and view your database logs ✅ Identify failing queries and their parameters ✅ Debug common issues like data type mismatches Why Query Logging Matters: Query logging records every SQL statement hitting your database, making it easy to spot problems. For example, if you're migrating Grafana from SQLite to PostgreSQL, query logging will immediately show you which queries are failing and why. Quick Setup: Find config: sudo -u postgres psql -c "SHOW config_file" Edit: sudo nano /var/lib/pgsql/data/postgresql.conf View logs: sudo tail -f /var/lib/pgsql/data/log/postgresql-*.log Use Cases: Debug database application errors Troubleshoot failed INSERT/UPDATE/DELETE operations Monitor query performance Diagnose data type conversion issues (like SQLite→PostgreSQL migrations) Prerequisites: Root/sudo access to PostgreSQL server PostgreSQL installed and running Basic command-line knowledge