Merge lp:~percona-toolkit-dev/percona-toolkit/meaningful-type-error-fix-bug-946438 into lp:percona-toolkit/2.0

[Daniel Nichter]

[Daniel Nichter (daniel-nichter)]

review: Approve

=== modified file 'bin/pt-query-digest'
--- bin/pt-query-digest	2012-02-23 16:34:17 +0000
+++ bin/pt-query-digest	2012-03-06 16:28:21 +0000
@@ -12350,6 +12350,11 @@
                );
             };
             if ( $EVAL_ERROR ) {
+               if ( $EVAL_ERROR =~ m/perhaps you forgot to load/ ) {
+                  # There is no module to handle --type, so wrong --type
+                  die "'$module' is not a valid input type. "
+                     . "Please check the documentation for --type.\n";
+               }
                die "Failed to load $module module: $EVAL_ERROR";
             }