[Bigdata-commit] SF.net SVN: bigdata:[7789] branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/ com/bigdata/bop/joinGraph

[<tho...@us...>]

Revision: 7789
          http://bigdata.svn.sourceforge.net/bigdata/?rev=7789&view=rev
Author:   thompsonbry
Date:     2014-01-14 12:45:59 +0000 (Tue, 14 Jan 2014)
Log Message:
-----------
javadoc on NoSolutionsException.

Showing the paths table if there is cardinality underflow to analyze query41.rq behavior with the RTO.

Modified Paths:
--------------
    branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/NoSolutionsException.java
    branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/rto/JGraph.java

Modified: branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/NoSolutionsException.java
===================================================================
--- branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/NoSolutionsException.java	2014-01-14 00:31:41 UTC (rev 7788)
+++ branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/NoSolutionsException.java	2014-01-14 12:45:59 UTC (rev 7789)
@@ -1,8 +1,33 @@
+/**
+
+Copyright (C) SYSTAP, LLC 2006-2007.  All rights reserved.
+
+Contact:
+     SYSTAP, LLC
+     4501 Tower Road
+     Greensboro, NC 27410
+     lic...@bi...
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
 package com.bigdata.bop.joinGraph;
 
 /**
- * Exception thrown when the join graph does not have any solutions in the
- * data (running the query does not produce any results).
+ * Exception thrown when the join graph does not have any solutions in the data
+ * (running the cutoff joins to explore the join graph does not produce any
+ * solutions such that we can not complete a path through the join graph without
+ * a zero cardinality).
  */
 public class NoSolutionsException extends RuntimeException
 {

Modified: branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/rto/JGraph.java
===================================================================
--- branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/rto/JGraph.java	2014-01-14 00:31:41 UTC (rev 7788)
+++ branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/rto/JGraph.java	2014-01-14 12:45:59 UTC (rev 7789)
@@ -544,7 +544,8 @@
 
                 log.warn("Cardinality estimate underflow - resampling: round="
                         + round + ", npaths=" + paths.length + ", nunderflow="
-                        + nunderflow + ", limit=" + limit);
+                        + nunderflow + ", limit=" + limit + "\n"
+                        + showTable(paths));
 
             }
             

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