How do I use context for timeouts using pgx?

Using context for timeouts in Go with pgx allows you to manage database queries effectively, ensuring they do not hang indefinitely. This is particularly useful in production environments where database latency can cause significant problems.

Go, pgx, context, timeout, database, Go programming, database performance
Learn how to implement timeouts in your Go application using context with pgx to improve database interaction and overall application reliability.
package main import ( "context" "fmt" "github.com/jackc/pgx/v4" "time" ) func main() { // Set a timeout for the database operation ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) defer cancel() // Connect to the database conn, err := pgx.Connect(ctx, "postgres://user:password@localhost:5432/mydb") if err != nil { fmt.Println("Unable to connect to database:", err) return } defer conn.Close(ctx) // Execute a query with timeout context var greeting string err = conn.QueryRow(ctx, "SELECT 'Hello, World!'").Scan(&greeting) if err != nil { fmt.Println("Query failed:", err) return } fmt.Println(greeting) // Outputs: Hello, World! }

Go pgx context timeout database Go programming database performance