Author: ryan
Date: Thu Dec 18 10:14:03 2008
New Revision: 727782

URL: http://svn.apache.org/viewvc?rev=727782&view=rev
Log:
SOLR-680 -- StatsComponent -- removing broken median calculation

Modified:
    lucene/solr/trunk/src/common/org/apache/solr/common/params/StatsParams.java
    
lucene/solr/trunk/src/java/org/apache/solr/handler/component/StatsComponent.java
    lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/SolrQuery.java
    
lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/response/FieldStatsInfo.java
    
lucene/solr/trunk/src/test/org/apache/solr/client/solrj/SolrExampleTests.java

Modified: 
lucene/solr/trunk/src/common/org/apache/solr/common/params/StatsParams.java
URL: 
http://svn.apache.org/viewvc/lucene/solr/trunk/src/common/org/apache/solr/common/params/StatsParams.java?rev=727782&r1=727781&r2=727782&view=diff
==============================================================================
--- lucene/solr/trunk/src/common/org/apache/solr/common/params/StatsParams.java 
(original)
+++ lucene/solr/trunk/src/common/org/apache/solr/common/params/StatsParams.java 
Thu Dec 18 10:14:03 2008
@@ -24,5 +24,4 @@
   public static final String STATS = "stats";
   public static final String STATS_FIELD = STATS + ".field";
   public static final String STATS_FACET = STATS + ".facet";
-  public static final String STATS_TWOPASS = STATS + ".twopass";
 }

Modified: 
lucene/solr/trunk/src/java/org/apache/solr/handler/component/StatsComponent.java
URL: 
http://svn.apache.org/viewvc/lucene/solr/trunk/src/java/org/apache/solr/handler/component/StatsComponent.java?rev=727782&r1=727781&r2=727782&view=diff
==============================================================================
--- 
lucene/solr/trunk/src/java/org/apache/solr/handler/component/StatsComponent.java
 (original)
+++ 
lucene/solr/trunk/src/java/org/apache/solr/handler/component/StatsComponent.java
 Thu Dec 18 10:14:03 2008
@@ -181,7 +181,6 @@
   double sumOfSquares;
   long count;
   long missing;
-  Double median = null;
   
   // facetField   facetValue
   Map<String, Map<String,StatsValues>> facets;
@@ -251,7 +250,6 @@
     max = Double.MIN_VALUE;
     sum = count = missing = 0;
     sumOfSquares = 0;
-    median = null;
     facets = null;
   }
   
@@ -264,9 +262,6 @@
     res.add("missing", missing);
     res.add("sumOfSquares", sumOfSquares );
     res.add("mean", getAverage());
-    if( median != null ) {
-      res.add( "median", median );
-    }
     res.add( "stddev", getStandardDeviation() );
     
     // add the facet stats
@@ -435,34 +430,6 @@
       }
     }
     
-    // Find things that require a 2nd pass
-    if( params.getFieldBool(fieldName, StatsParams.STATS_TWOPASS, false) ) {
-      if( allstats.count > 1 ) { // must be 2 or more...
-        iter = docs.iterator();
-        boolean isEven = ( allstats.count % 2) == 0;
-        int medianIndex = (int) Math.ceil( allstats.count/2.0 );
-        for ( i=0; iter.hasNext(); ) {
-          String raw = all.getTermText(iter.nextDoc());
-          if( raw != null ) {
-            if( ++i == medianIndex ) {
-              double val0 = Double.parseDouble(  all.ft.indexedToReadable(raw) 
);
-              if( isEven ) {
-                do {
-                  raw = all.getTermText(iter.nextDoc());
-                } while( raw == null );
-                double val1 = Double.parseDouble(  
all.ft.indexedToReadable(raw) );
-                allstats.median = (val0+val1)/2.0;
-              }
-              else {
-                allstats.median = val0;
-              }
-              break;
-            }
-          }
-        }
-      } // get median
-    }
-    
     if( finfo.length > 0 ) {
       allstats.facets = new HashMap<String, Map<String,StatsValues>>();
       for( FieldFacetStats f : finfo ) {

Modified: 
lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/SolrQuery.java
URL: 
http://svn.apache.org/viewvc/lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/SolrQuery.java?rev=727782&r1=727781&r2=727782&view=diff
==============================================================================
--- lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/SolrQuery.java 
(original)
+++ lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/SolrQuery.java Thu 
Dec 18 10:14:03 2008
@@ -352,11 +352,10 @@
     this.set( StatsParams.STATS, v );
   }
   
-  public void setGetFieldStatistics( String field, boolean twopass )
+  public void setGetFieldStatistics( String field )
   {
     this.set( StatsParams.STATS, true );
     this.add( StatsParams.STATS_FIELD, field );
-    this.set( "f."+field+"."+StatsParams.STATS_TWOPASS, twopass+"" );
   }
   
   public void addStatsFieldFacets( String field, String ... facets )

Modified: 
lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/response/FieldStatsInfo.java
URL: 
http://svn.apache.org/viewvc/lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/response/FieldStatsInfo.java?rev=727782&r1=727781&r2=727782&view=diff
==============================================================================
--- 
lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/response/FieldStatsInfo.java
 (original)
+++ 
lucene/solr/trunk/src/solrj/org/apache/solr/client/solrj/response/FieldStatsInfo.java
 Thu Dec 18 10:14:03 2008
@@ -41,7 +41,6 @@
   Double mean = null;
   Double sumOfSquares = null;
   Double stddev = null;
-  Double median = null;
   
   Map<String,List<FieldStatsInfo>> facets;
   
@@ -74,9 +73,6 @@
       else if( "stddev".equals( entry.getKey() ) ) {
         stddev = (Double)entry.getValue();
       }
-      else if( "median".equals( entry.getKey() ) ) {
-        median = (Double)entry.getValue();
-      }
       else if( "facets".equals( entry.getKey() ) ) {
         NamedList<Object> fields = (NamedList<Object>)entry.getValue();
         facets = new HashMap<String, List<FieldStatsInfo>>();
@@ -119,9 +115,6 @@
     if( mean != null ) {
       sb.append( " mean:").append( mean );
     }
-    if( median != null ) {
-      sb.append( " median:").append(median);
-    }
     if( stddev != null ) {
       sb.append( " stddev:").append(stddev);
     }
@@ -161,10 +154,6 @@
     return stddev;
   }
 
-  public Double getMedian() {
-    return median;
-  }
-
   public Map<String, List<FieldStatsInfo>> getFacets() {
     return facets;
   }

Modified: 
lucene/solr/trunk/src/test/org/apache/solr/client/solrj/SolrExampleTests.java
URL: 
http://svn.apache.org/viewvc/lucene/solr/trunk/src/test/org/apache/solr/client/solrj/SolrExampleTests.java?rev=727782&r1=727781&r2=727782&view=diff
==============================================================================
--- 
lucene/solr/trunk/src/test/org/apache/solr/client/solrj/SolrExampleTests.java 
(original)
+++ 
lucene/solr/trunk/src/test/org/apache/solr/client/solrj/SolrExampleTests.java 
Thu Dec 18 10:14:03 2008
@@ -343,7 +343,7 @@
     
     SolrQuery query = new SolrQuery( "*:*" );
     query.setRows( 0 );
-    query.setGetFieldStatistics( "popularity", true );
+    query.setGetFieldStatistics( "popularity" );
     
     QueryResponse rsp = server.query( query );
     FieldStatsInfo stats = rsp.getFieldStatsInfo().get( "popularity" );
@@ -353,7 +353,6 @@
     assertEquals( 94.0, stats.getMax() );
     assertEquals( new Long(nums.length), stats.getCount() );
     assertEquals( new Long(0), stats.getMissing() );
-    assertEquals( (nums[4]+nums[5])/2.0, stats.getMedian() );
     assertEquals( "26.4", stats.getStddev().toString().substring(0,4) );
     
     // now lets try again with a new set...  (odd median)
@@ -380,7 +379,6 @@
     assertEquals( 20.0, stats.getMax() );
     assertEquals( new Long(nums.length), stats.getCount() );
     assertEquals( new Long(0), stats.getMissing() );
-    assertEquals( 10.0, stats.getMedian() );
     
     // Now try again with faceting
     //---------------------------------


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