81111ee2131f947635ecb4b6a83674e4fb85d61b
kent
  Thu Jun 24 18:17:35 2010 -0700
Defining a new table type for benefit of factorSource type tracks.
diff --git src/hg/lib/clusterInputTrackTable.sql src/hg/lib/clusterInputTrackTable.sql
index 1a6789a..7ba730e 100644
--- src/hg/lib/clusterInputTrackTable.sql
+++ src/hg/lib/clusterInputTrackTable.sql
@@ -6,9 +6,10 @@
 #Some information on tracks used as input for a clustering track
 CREATE TABLE clusterInputTrackTable (
     tableName varchar(255) not null,	# Name of table used as an input
-    cell varchar(255) not null,	# Name of cell line
+    source varchar(255) not null,	# Name of cell line or other biological source
+    factor varchar(255) not null,	# Name of factor
               #Indices
     PRIMARY KEY(tableName),
-    INDEX (cell)
-
+    INDEX(source),
+    INDEX(factor)
 );