go/src/database/sql/example_cli_test.go

var pool …

func Example_openDBCLI() { … }

// Ping the database to verify DSN provided by the user is valid and the
// server accessible. If the ping fails exit the program with an error.
func Ping(ctx context.Context) { … }

// Query the database for the information requested and prints the results.
// If the query fails exit the program with an error.
func Query(ctx context.Context, id int64) { … }