Index: org/hibernate/dialect/H2Dialect.java
===================================================================
--- org/hibernate/dialect/H2Dialect.java	(revision 777)
+++ org/hibernate/dialect/H2Dialect.java	(working copy)
@@ -40,7 +39,7 @@
         registerColumnType(Types.BOOLEAN, "boolean");
         registerColumnType(Types.BIGINT, "bigint");
         registerColumnType(Types.BINARY, "binary");
-        registerColumnType(Types.BIT, "bit");
+        registerColumnType(Types.BIT, "boolean");
         registerColumnType(Types.CHAR, "char($l)");
         registerColumnType(Types.DATE, "date");
         registerColumnType(Types.DECIMAL, "decimal($p,$s)");
@@ -133,7 +132,7 @@
         registerFunction("current_date", new NoArgSQLFunction("current_date", Hibernate.DATE));
         registerFunction("current_time", new NoArgSQLFunction("current_time", Hibernate.TIME));
         registerFunction("current_timestamp", new NoArgSQLFunction("current_timestamp", Hibernate.TIMESTAMP));
-        registerFunction("datediff", new NoArgSQLFunction("datediff", Hibernate.INTEGER));
+        registerFunction("datediff", new StandardSQLFunction("datediff", Hibernate.INTEGER));
         registerFunction("dayname", new StandardSQLFunction("dayname", Hibernate.STRING));
         registerFunction("dayofmonth", new StandardSQLFunction("dayofmonth", Hibernate.INTEGER));
         registerFunction("dayofweek", new StandardSQLFunction("dayofweek", Hibernate.INTEGER));
@@ -142,7 +141,7 @@
 //        registerFunction("minute", new StandardSQLFunction("minute", Hibernate.INTEGER));
 //        registerFunction("month", new StandardSQLFunction("month", Hibernate.INTEGER));
         registerFunction("monthname", new StandardSQLFunction("monthname", Hibernate.STRING));
-        registerFunction("quater", new StandardSQLFunction("quater", Hibernate.INTEGER));
+        registerFunction("quarter", new StandardSQLFunction("quarter", Hibernate.INTEGER));
 //        registerFunction("second", new StandardSQLFunction("second", Hibernate.INTEGER));
         registerFunction("week", new StandardSQLFunction("week", Hibernate.INTEGER));
 //        registerFunction("year", new StandardSQLFunction("year", Hibernate.INTEGER));