src/hg/instinct/lib/featuresLib.c 1.33

Index: src/hg/instinct/lib/featuresLib.c
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/instinct/lib/featuresLib.c,v
retrieving revision 1.32
retrieving revision 1.33
diff -b -B -U 4 -r1.32 -r1.33
--- src/hg/instinct/lib/featuresLib.c	6 May 2010 18:42:07 -0000	1.32
+++ src/hg/instinct/lib/featuresLib.c	7 May 2010 05:40:48 -0000	1.33
@@ -312,10 +312,12 @@
 /* Get all values in field in a table defined by col->table, col->keyField, 
  * col->valField.  If an xrefLookup is specified in col->settings,
  * use that to look up an alternate name for the result. */
 {
-struct slName *id;
+if (!idList)
+    return NULL;
 
+struct slName *id;
 char query[512];
 safef(query, sizeof(query), "select %s, %s from %s;",
 	       col->keyField, col->valField, col->table);