f06563d466db42815448398cf80042714a8c9715
braney
  Fri Mar 8 16:37:37 2013 -0800
another fix to avoid opening an SQL connection on assembly hub (#8072)
diff --git src/hg/hgTables/bigBed.c src/hg/hgTables/bigBed.c
index 0579576..3e33e43 100644
--- src/hg/hgTables/bigBed.c
+++ src/hg/hgTables/bigBed.c
@@ -9,30 +9,31 @@
 #include "cheapcgi.h"
 #include "cart.h"
 #include "web.h"
 #include "bed.h"
 #include "hdb.h"
 #include "trackDb.h"
 #include "obscure.h"
 #include "hmmstats.h"
 #include "correlate.h"
 #include "asParse.h"
 #include "bbiFile.h"
 #include "bigBed.h"
 #include "hubConnect.h"
 #include "asFilter.h"
 #include "hgTables.h"
+#include "trackHub.h"
 
 
 boolean isBigBed(char *database, char *table, struct trackDb *parent,
 	struct customTrack *(*ctLookupName)(char *table))
 /* Local test to see if something is big bed.  Handles hub tracks unlike hIsBigBed. */
 {
 struct trackDb *tdb = hashFindVal(fullTableToTdbHash, table);
 if (tdb)
     return tdbIsBigBed(tdb);
 else
     return hIsBigBed(database, table, parent, ctLookupName);
 }
 
 static struct hash *asColumnHash(struct asObject *as)
 /* Return a hash full of the object's columns, keyed by colum name */
@@ -332,31 +333,33 @@
 	{
 	slAddHead(&idList, slNameNew(row[3]));
 	outCount++;
 	}
     }
 lmCleanup(&lm);
 bbiFileClose(&bbi);
 freeMem(fileName);
 return idList;
 }
 
 void showSchemaBigBed(char *table, struct trackDb *tdb)
 /* Show schema on bigBed. */
 {
 /* Figure out bigBed file name and open it.  Get contents for first chromosome as an example. */
-struct sqlConnection *conn = hAllocConn(database);
+struct sqlConnection *conn = NULL;
+if (!trackHubDatabase(database))
+    conn = hAllocConn(database);
 char *fileName = bigBedFileName(table, conn);
 struct bbiFile *bbi = bigBedFileOpen(fileName);
 struct bbiChromInfo *chromList = bbiChromList(bbi);
 struct lm *lm = lmInit(0);
 struct bigBedInterval *ivList = getNElements(bbi, chromList, lm, 10);
 
 /* Get description of columns, making it up from BED records if need be. */
 struct asObject *as = bigBedAsOrDefault(bbi);
 
 hPrintf("<B>Database:</B> %s", database);
 hPrintf("&nbsp;&nbsp;&nbsp;&nbsp;<B>Primary Table:</B> %s<br>", table);
 hPrintf("<B>Big Bed File:</B> %s", fileName);
 if (bbi->version >= 2)
     {
     hPrintf("<BR><B>Item Count:</B> ");