[jira] [Created] (HUDI-4898) for mor table, presto/hive shoud respect payload class during merge parquet file and log file

[Tao Meng (Jira)]

Tao Meng created HUDI-4898:
------------------------------

             Summary: for mor table, presto/hive shoud respect payload class 
during merge parquet file and log file
                 Key: HUDI-4898
                 URL: https://issues.apache.org/jira/browse/HUDI-4898
             Project: Apache Hudi
          Issue Type: Bug
          Components: hive, trino-presto
    Affects Versions: 0.12.0
         Environment: hadoop 3.2.x
hive3.1.x
presto

            Reporter: Tao Meng
             Fix For: 0.12.2


for mor table, presto/hive will ignore payload class during merge parquet file 
and log file.

Line115 in RealtimeCompactedRecordReader

```

// TODO(NA): Invoke preCombine here by converting arrayWritable to Avro. This 
is required since the
// deltaRecord may not be a full record and needs values of columns from the 
parquet
Option<GenericRecord> rec = 
buildGenericRecordwithCustomPayload(deltaRecordMap.get(key));

```



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