[GitHub] [hbase] bitoffdev commented on a change in pull request #2058: HBASE-24722 Address hbase-shell commands with unintentional return values

[GitBox]

bitoffdev commented on a change in pull request #2058:
URL: https://github.com/apache/hbase/pull/2058#discussion_r456617522



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File path: hbase-shell/src/main/ruby/shell/commands/clear_block_cache.rb
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@@ -33,6 +33,7 @@ def help
 
       def command(table_name)
         formatter.row([admin.clear_block_cache(table_name)])
+        nil

Review comment:
       formatter.row returns the running total number of rows printed 
(`@row_count`) since the last call to formatter.header




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