Danny Chen created HUDI-2299:
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             Summary: The log format DELETE block lose the info orderingVal
                 Key: HUDI-2299
                 URL: https://issues.apache.org/jira/browse/HUDI-2299
             Project: Apache Hudi
          Issue Type: Bug
          Components: Common Core
            Reporter: Danny Chen
             Fix For: 0.9.0


The append handle now always write data block first then delete block, and the 
delete block only keeps the hoodie keys, when reading, the scanner just read 
the DELETE block without any info of ordering value, thus, if the we write two 
records:

insert: {id: 0, ts: 2}
delete: {id: 0, ts: 1}

Finally the insert message is deleted !!!, this is a critical bug for streaming 
write, we should fix it as soon as possible



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