fix TestClearReferences

h2/src/main/org/h2/command/Parser.java

@@ -819,7 +819,7 @@ public class Parser {
         }
         currentPrepared = command;
         int start = lastParseIndex;
-        if (!readIf("FROM") && database.getMode() == Mode.MYSQL) {
+        if (!readIf("FROM") && database.getMode() == Mode.getMySQL()) {
             readIdentifierWithSchema();
             read("FROM");
         }

h2/src/main/org/h2/engine/Mode.java

@@ -24,7 +24,6 @@ public class Mode {
     static final String REGULAR = "REGULAR";
 
     private static final HashMap<String, Mode> MODES = New.hashMap();
-    public static final Mode MYSQL;
 
     // Modes are also documented in the features section
 
@@ -236,7 +235,7 @@ public class Mode {
         mode.supportedClientInfoPropertiesRegEx = null;
         add(mode);
 
-        MYSQL = mode = new Mode("MySQL");
+        mode = new Mode("MySQL");
         mode.convertInsertNullToZero = true;
         mode.indexDefinitionInCreateTable = true;
         mode.lowerCaseIdentifiers = true;
@@ -311,6 +310,10 @@ public class Mode {
         return MODES.get(StringUtils.toUpperEnglish(name));
     }
 
+    public static Mode getMySQL() {
+        return getInstance("MySQL");
+    }
+
     public String getName() {
         return name;
     }

h2/src/test/org/h2/test/unit/TestClearReferences.java

@@ -58,15 +58,6 @@ public class TestClearReferences extends TestBase {
         TestBase.createCaller().init().test();
     }
 
-    private void clear() throws Exception {
-        ArrayList<Class <?>> classes = New.arrayList();
-        check(classes, new File("bin/org/h2"));
-        check(classes, new File("temp/org/h2"));
-        for (Class<?> clazz : classes) {
-            clearClass(clazz);
-        }
-    }
-
     @Override
     public void test() throws Exception {
         // initialize the known classes
@@ -91,14 +82,23 @@ public class TestClearReferences extends TestBase {
         }
     }
 
-    private void check(ArrayList<Class <?>> classes, File file) {
+    private void clear() throws Exception {
+        ArrayList<Class <?>> classes = New.arrayList();
+        findClasses(classes, new File("bin/org/h2"));
+        findClasses(classes, new File("temp/org/h2"));
+        for (Class<?> clazz : classes) {
+            clearClass(clazz);
+        }
+    }
+
+    private void findClasses(ArrayList<Class <?>> classes, File file) {
         String name = file.getName();
         if (file.isDirectory()) {
             if (name.equals("CVS") || name.equals(".svn")) {
                 return;
             }
             for (File f : file.listFiles()) {
-                check(classes, f);
+                findClasses(classes, f);
             }
         } else {
             if (!name.endsWith(".class")) {