HBASE-4295 rowcounter does not return the correct number of rows in certain circumstances

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1174919 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -632,6 +632,8 @@ Release 0.90.5 - Unreleased
                running zk with new format root servername
    HBASE-4387  Error while syncing: DFSOutputStream is closed
                (Lars Hofhansl)
+   HBASE-4295  rowcounter does not return the correct number of rows in
+               certain circumstances (David Revell)
 
   IMPROVEMENT
    HBASE-4205  Enhance HTable javadoc (Eric Charles)

src/main/java/org/apache/hadoop/hbase/mapred/RowCounter.java

@@ -58,20 +58,8 @@ public class RowCounter extends Configured implements Tool {
         OutputCollector<ImmutableBytesWritable, Result> output,
         Reporter reporter)
     throws IOException {
-      boolean content = false;
-
-      for (KeyValue value: values.list()) {
-        if (value.getValue().length > 0) {
-          content = true;
-          break;
-        }
-      }
-      if (!content) {
-        // Don't count rows that are all empty values.
-        return;
-      }
-      // Give out same value every time.  We're only interested in the row/key
-      reporter.incrCounter(Counters.ROWS, 1);
+        // Count every row containing data, whether it's in qualifiers or values
+        reporter.incrCounter(Counters.ROWS, 1);
     }
 
     public void configure(JobConf jc) {

src/main/java/org/apache/hadoop/hbase/mapreduce/RowCounter.java

@@ -65,12 +65,8 @@ public class RowCounter {
     public void map(ImmutableBytesWritable row, Result values,
       Context context)
     throws IOException {
-      for (KeyValue value: values.list()) {
-        if (value.getValue().length > 0) {
-          context.getCounter(Counters.ROWS).increment(1);
-          break;
-        }
-      }
+      // Count every row containing data, whether it's in qualifiers or values
+      context.getCounter(Counters.ROWS).increment(1);
     }
   }