The expression trunc(number) threw a NullPointerException.

h2/src/docsrc/html/changelog.html

@@ -26,6 +26,7 @@ Change Log
     is no longer supported. This is to simplify the MVTableEngine.
 </li><li>New column "information_schema.tables.row_count_estimate".
 </li><li>Issue 468: trunc(timestamp) could return the wrong value (+12 hours), and trunc(number) throw a NullPointerException.
+</li><li>The expression trunc(number) threw a NullPointerException.
 </li><li>Fixed a deadlock when updating LOB's concurrently. See TestLob.testDeadlock2().
 </li><li>Fixed a deadlock related to very large temporary result sets.
 </li><li>Add "-list" command line option to Shell tool so that result-list-mode can be triggered when reading from a file.

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

@@ -1040,7 +1040,7 @@ public class Function extends Expression implements FunctionCall {
                 result = ValueTimestamp.get(new java.sql.Timestamp(c.getTimeInMillis()));
             } else {
                 double d = v0.getDouble();
-                int p = v1.getInt();
+                int p = v1 == null ? 0 : v1.getInt();
                 double f = Math.pow(10., p);
                 double g = d * f;
                 result = ValueDouble.get(((d < 0) ? Math.ceil(g) : Math.floor(g)) / f);

h2/src/test/org/h2/test/testSimple.in.txt

+select trunc(1.3);
+> 1.0;
 select trunc(timestamp '2001-01-01 14:00:00.0');
 > 2001-01-01 00:00:00.0;
 select 1 from(select 2 from(select 1) a right join dual b) c;