From: mike <mike>
Date: Tue, 3 Jul 2007 16:40:41 +0000 (+0000)
Subject: Fail a sortspec of zero keys.
X-Git-Tag: v1.5~48
X-Git-Url: http://sru.miketaylor.org.uk/cgi-bin?a=commitdiff_plain;h=0cf2302a18eacaa327f40743c4ac59cf6c630183;p=cql-java-moved-to-github.git

Fail a sortspec of zero keys.
---

diff --git a/src/org/z3950/zing/cql/CQLParser.java b/src/org/z3950/zing/cql/CQLParser.java
index f622bbb..9ccb139 100644
--- a/src/org/z3950/zing/cql/CQLParser.java
+++ b/src/org/z3950/zing/cql/CQLParser.java
@@ -1,4 +1,4 @@
-// $Id: CQLParser.java,v 1.37 2007-07-03 13:34:30 mike Exp $
+// $Id: CQLParser.java,v 1.38 2007-07-03 16:40:41 mike Exp $
 
 package org.z3950.zing.cql;
 import java.io.IOException;
@@ -12,7 +12,7 @@ import java.io.FileNotFoundException;
 /**
  * Compiles CQL strings into parse trees of CQLNode subtypes.
  *
- * @version	$Id: CQLParser.java,v 1.37 2007-07-03 13:34:30 mike Exp $
+ * @version	$Id: CQLParser.java,v 1.38 2007-07-03 16:40:41 mike Exp $
  * @see		<A href="http://zing.z3950.org/cql/index.html"
  *		        >http://zing.z3950.org/cql/index.html</A>
  */
@@ -105,6 +105,11 @@ public class CQLParser {
 		ModifierSet ms = gatherModifiers(sortindex);
 		sortnode.addSortIndex(ms);
 	    }
+
+	    if (sortnode.keys.size() == 0) {
+		throw new CQLParseException("no sort keys");
+	    }
+
 	    node = sortnode;
 	}