massdosage commented on pull request #1495:
URL: https://github.com/apache/iceberg/pull/1495#issuecomment-698380788
> That's the plan, but we need the writer code to get in first smile
Ah yes, of course, I'm losing track of the different pull requests ;)
The reason I tried `select named_struct` was I thought that was the only way
to match the field names up with their values, I didn't realise one could still
do positional inserts using `values`. Anyway, I tried that and got
`FAILED: Execution Error, return code 1 from
org.apache.hadoop.hive.ql.exec.tez.TezTask`
on the Hive shell, looking in the log I got
`2020-09-24T14:19:10,286 ERROR [b4e7cb36-2cbb-42ea-8a22-630b0850c204
main([])]: exec.Task (TezTask.java:execute(230)) - Failed to execute tez graph.
java.lang.UnsupportedOperationException: Writing to an Iceberg table with
Hive is not supported`
which makes sense. Is there any way to get the exception message to appear
in the shell, just that one line would be more user friendly than `return code
1`.
I then set the execution engine to MR and got
`java.lang.UnsupportedOperationException: Writing to an Iceberg table with
Hive is not supported
at
org.apache.iceberg.mr.hive.HiveIcebergOutputFormat.checkOutputSpecs(HiveIcebergOutputFormat.java:37)
`
in the shell. But yes, this is because I don't also have #1407 merged in so
that makes sense. If I have some time I'll try again with that. At least the
above shows some progress and that the expected code paths are being hit.
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