Views with multiple joined tables (where one was an outer join) couldn't be used in some cases.

The generated SQL statement was ambiguous.

h2/src/main/org/h2/table/TableFilter.java

@@ -507,10 +507,15 @@ public class TableFilter implements ColumnResolver {
         plan = StringUtils.quoteRemarkSQL(plan);
         buff.append(plan);
         buff.append(" */");
-        if (joinCondition != null) {
+        if (join) {
             buff.append(" ON ");
+            if (joinCondition == null) {
+                // need to have a ON expression, otherwise the nesting is unclear
+                buff.append("1=1");
+            } else {
                 buff.append(StringUtils.unEnclose(joinCondition.getSQL()));
             }
+        }
         if (filterCondition != null) {
             buff.append(" /* WHERE ");
             String condition = StringUtils.unEnclose(filterCondition.getSQL());