diff --git a/src/java/com/samskivert/jdbc/depot/BuildVisitor.java b/src/java/com/samskivert/jdbc/depot/BuildVisitor.java
index 66d03d8..13141d8 100644
--- a/src/java/com/samskivert/jdbc/depot/BuildVisitor.java
+++ b/src/java/com/samskivert/jdbc/depot/BuildVisitor.java
@@ -39,6 +39,7 @@ import com.samskivert.jdbc.depot.clause.OrderBy;
 import com.samskivert.jdbc.depot.clause.SelectClause;
 import com.samskivert.jdbc.depot.clause.UpdateClause;
 import com.samskivert.jdbc.depot.expression.ColumnExp;
+import com.samskivert.jdbc.depot.expression.EpochSeconds;
 import com.samskivert.jdbc.depot.expression.ExpressionVisitor;
 import com.samskivert.jdbc.depot.expression.FunctionExp;
 import com.samskivert.jdbc.depot.expression.LiteralExp;
@@ -203,6 +204,8 @@ public abstract class BuildVisitor implements ExpressionVisitor
         _builder.append(")");
     }
 
+    public abstract void visit (EpochSeconds seconds);
+
     public abstract void visit (FullTextMatch match);
 
     public void visit (ColumnExp columnExp)