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ASF GitHub Bot commented on HAWQ-1491: -------------------------------------- Github user sansanichfb commented on a diff in the pull request: https://github.com/apache/incubator-hawq-docs/pull/126#discussion_r124423088 --- Diff: markdown/pxf/HivePXF.html.md.erb --- @@ -495,9 +500,16 @@ Use the `HiveORC` profile to access ORC format data. The `HiveORC` profile provi - `=`, `>`, `<`, `>=`, `<=`, `IS NULL`, and `IS NOT NULL` operators and comparisons between the `float8` and `float4` types - `IN` operator on arrays of `int2`, `int4`, `int8`, `boolean`, and `text` -- Complex type support - You can access Hive tables composed of array, map, struct, and union data types. PXF serializes each of these complex types to `text`. +When choosing an ORC-supporting profile, consider the following: + +- The `HiveORC` profile supports complex types. You can access Hive tables composed of array, map, struct, and union data types. PXF serializes each of these complex types to `text`. + + The `HiveVectorizedORC` profile does not support complex types. + +- The `HiveVectorizedORC` profile reads 1024 rows of data, while the `HiveORC` profile reads only a single row at a time. --- End diff -- profile reads 1024 rows of data at once > docs - add usage info for HiveVectorizedORC profile > --------------------------------------------------- > > Key: HAWQ-1491 > URL: https://issues.apache.org/jira/browse/HAWQ-1491 > Project: Apache HAWQ > Issue Type: Improvement > Components: Documentation > Reporter: Lisa Owen > Assignee: David Yozie > > add usage info and an example for the new HiveVectorizedORC profile to the > Hive plug-in page. -- This message was sent by Atlassian JIRA (v6.4.14#64029)