The method org.h2.expression.Function.getCost could throw a NullPointException.

h2/src/docsrc/html/changelog.html

@@ -18,7 +18,8 @@ Change Log
 <h1>Change Log</h1>
 
 <h2>Next Version (unreleased)</h2>
-<ul><li>Storing LOBs in separate files (outside of the database) is no longer supported for new databases.
+<ul><li>The method org.h2.expression.Function.getCost could throw a NullPointException.
+</li><li>Storing LOBs in separate files (outside of the database) is no longer supported for new databases.
 </li><li>Lucene 2 is no longer supported.
 </li><li>Fix bug in calculating default MIN and MAX values for SEQUENCE
 </li></ul>

h2/src/main/org/h2/expression/Function.java

@@ -2388,8 +2388,10 @@ public class Function extends Expression implements FunctionCall {
     public int getCost() {
         int cost = 3;
         for (Expression e : args) {
+            if (e != null) {
                 cost += e.getCost();
             }
+        }
         return cost;
     }