pengzhiwei created HUDI-2123:
--------------------------------

             Summary: Exception When Merge With NUll-Value Field
                 Key: HUDI-2123
                 URL: https://issues.apache.org/jira/browse/HUDI-2123
             Project: Apache Hudi
          Issue Type: Bug
          Components: Spark Integration
            Reporter: pengzhiwei
             Fix For: 0.9.0


Merge with null-value field will throw exception.
{code:java}
spark.sql(
  s"""
     |merge into h0
     |using (
     | select 1 as id, 'a1' as name, cast(null as string) as value, 1000 as ts
     | ) s0
     | on h0.id = s0.id
     | when not matched then insert *
     |""".stripMargin)
{code}



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