add possibility to run db-statement on connectdb

functions.sh

@@ -1179,18 +1179,31 @@ function connectdb () {
             getdbcreds_cnf $2
             ;;
         *)
-            echo "wrong argument"
+            echo "wrong argument" >&2
             return 1
             ;;
     esac
 
-    cat << EOF 
+    cat << EOF >&2
     connect to ${DB_HOST}:${DB_PORT}/${DB_NAME}
     with user: ${DB_USER}
-    and passwd: ${DB_PWD}
+    and passwd: ${DB_PWD:+********}
 EOF
 
+    if [ $# -gt 0 ]
+    then
+        case $1 in
+            -c)
+                shift
+                PGPASSWORD=$DB_PWD psql -h $DB_HOST -p $DB_PORT -U $DB_USER $DB_NAME -c "$@"
+                ;;
+            *)
+                PGPASSWORD=$DB_PWD psql -h $DB_HOST -p $DB_PORT -U $DB_USER $DB_NAME $@
+                ;;
+        esac
+    else
         PGPASSWORD=$DB_PWD psql -h $DB_HOST -p $DB_PORT -U $DB_USER $DB_NAME
+    fi
 }