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Improve Hive documentation #16376

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Mar 6, 2023
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Improve Hive documentation #16376

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8 changes: 5 additions & 3 deletions docs/src/main/sphinx/connector/hive.rst
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Expand Up @@ -1587,13 +1587,13 @@ with Parquet files performed by the Hive connector.
- ``true``
* - ``parquet.max-read-block-row-count``
- Sets the maximum number of rows read in a batch.
- ``8192``
- ``8192``
* - ``parquet.optimized-nested-reader.enabled``
- Whether batched column readers should be used when reading ARRAY, MAP
and ROW types from Parquet files for improved performance. Set this
property to ``false`` to disable the optimized parquet reader by default
for structural data types. The equivalent catalog session property is
``parquet_optimized_nested_reader_enabled``.
``parquet_optimized_nested_reader_enabled``.
- ``true``

Hive 3-related limitations
Expand All @@ -1612,4 +1612,6 @@ Hive 3-related limitations
Trino returns different results than Hive.

* Trino does not support gathering table statistics for Hive transactional tables.
You must use Hive to gather table statistics with ``ANALYZE TABLE COMPUTE STATISTICS`` after table creation.
You must use Hive to gather table statistics with
`ANALYZE statement <https://cwiki.apache.org/confluence/display/hive/statsdev#StatsDev-ExistingTables%E2%80%93ANALYZE>`_
after table creation.