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Improve error message when trying to partition on an Iceberg nested field #15091

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alexjo2144 opened this issue Nov 17, 2022 · 0 comments · Fixed by #15142
Closed

Improve error message when trying to partition on an Iceberg nested field #15091

alexjo2144 opened this issue Nov 17, 2022 · 0 comments · Fixed by #15142
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Partitioning on a field of a row type is not supported, but when attempting to do this you currently get a NullPointerException rather than a clear error message.

Slack thread: https://trinodb.slack.com/archives/CJ6UC075E/p1668717668592149

CREATE TABLE iceberg.my_db.my_table(a ROW(b VARCHAR)) WITH (format = 'PARQUET', partitioning = ARRAY['"a.b"'])
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Improve error message for partitioning by nested field in Iceberg ebyhr/trino
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@ebyhr @alexjo2144