Backport from 5.0 a fix that will start ndb only for tests that needs it

mysql-test/lib/mtr_cases.pl

@@ -193,6 +193,28 @@ sub collect_one_test_case($$$$$$) {
     $tinfo->{'slave_restart'}= 1;
   }
 
+  # Cluster is needed by test case if testname contains ndb
+  if ( defined mtr_match_substring($tname,"ndb") )
+  {
+    $tinfo->{'ndb_test'}= 1;
+    if ( $::opt_skip_ndbcluster )
+    {
+      # Skip all ndb tests
+      $tinfo->{'skip'}= 1;
+      return;
+    }
+    if ( ! $::opt_with_ndbcluster )
+    {
+      # Ndb is not supported, skip them
+      $tinfo->{'skip'}= 1;
+      return;
+    }
+  }
+  else
+  {
+    $tinfo->{'ndb_test'}= 0;
+  }
+
   # FIXME what about embedded_server + ndbcluster, skip ?!
 
   my $master_opt_file= "$testdir/$tname-master.opt";

mysql-test/lib/mtr_match.pl

@@ -50,6 +50,23 @@ sub mtr_match_extension ($$) {
 }
 
 
+# Match a substring anywere in a string
+
+sub mtr_match_substring ($$) {
+  my $string= shift;
+  my $substring= shift;
+
+  if ( $string =~ /(.*)\Q$substring\E(.*)$/ ) # strncmp
+  {
+    return $1;
+  }
+  else
+  {
+    return undef;		# NULL
+  }
+}
+
+
 sub mtr_match_any_exact ($$) {
   my $string= shift;
   my $mlist=  shift;