#439 - @EnumValue("01") stored as integer rather than string - ENum stores strings as numerics?

src/main/java/com/avaje/ebeaninternal/server/type/DefaultTypeManager.java

@@ -419,8 +419,10 @@ public final class DefaultTypeManager implements TypeManager, KnownImmutable {
     return value;
   }
 
-  @SuppressWarnings("ResultOfMethodCallIgnored")
-  private boolean isIntegerType(String s) {
+  protected boolean isIntegerType(String s) {
+    if (isLeadingZeros(s)) {
+      return false;
+    }
     try {
       Integer.parseInt(s);
       return true;
@@ -429,6 +431,13 @@ public final class DefaultTypeManager implements TypeManager, KnownImmutable {
     }
   }
 
+  /**
+   * Treat leading zeros as a non-integer for enum values.
+   */
+  private boolean isLeadingZeros(String s) {
+    return s.length() > 1 && s.charAt(0) == '0';
+  }
+
   /**
    * Create the Mapping of Enum fields to DB values using EnumValue annotations.
    * <p>