Limit the pool size to avoid issues if existing connections get stuck

diff --git a/main.go b/main.go
index 0197e83..facfa65 100644 (file)
--- a/main.go
+++ b/main.go
@@ -59,6 +59,9 @@ func connect_by_defaults_file( defaults_file string ) *sql.DB {
                log.Fatal(err)
        }
 
+       // deliberately limit the pool size to 5 to avoid "problems" if any queries hang.
+       dbh.SetMaxOpenConns(5) // hard-coded value!
+
        return dbh
 }