Issue 414: for some functions, the parameters were evaluated twice (for example…

Issue 414: for some functions, the parameters were evaluated twice (for example "char(nextval(..))" ran "nextval(..)" twice).

h2/src/docsrc/html/changelog.html

@@ -18,7 +18,9 @@ Change Log
 <h1>Change Log</h1>
 
 <h2>Next Version (unreleased)</h2>
-<ul><li>The ResultSetMetaData methods getSchemaName and getTableName 
+<ul><li>Issue 414: for some functions, the parameters were evaluated twice
+    (for example "char(nextval(..))" ran "nextval(..)" twice).
+</li><li>The ResultSetMetaData methods getSchemaName and getTableName 
     could return null instead of "" (an empty string) as specified in the JDBC API.
 </li><li>Added compatibility for "SET NAMES" query in MySQL compatibility mode.</li>
 </ul>

h2/src/test/org/h2/test/test-1.3.txt

 --- special grammar and test cases ---------------------------------------------------------------------------------------------
+create sequence seq start with 65 increment by 1;
+> ok
+
+select char(nextval('seq')) as x;
+> X
+> -
+> A
+
+select char(nextval('seq')) as x;
+> X
+> -
+> B
+
+drop sequence seq;
+> ok
+
 create table test(id int, name varchar);
 > ok