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https://issues.apache.org/jira/browse/HIVE-5517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13794669#comment-13794669
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Eric Hanson commented on HIVE-5517:
-----------------------------------
I discovered that in vectorized mode, the function log(base, column) is
implemented incorrectly as log(column, base). I will fix that issue in this
JIRA.
> Implement end-to-end tests for vectorized string and math functions, and casts
> ------------------------------------------------------------------------------
>
> Key: HIVE-5517
> URL: https://issues.apache.org/jira/browse/HIVE-5517
> Project: Hive
> Issue Type: Sub-task
> Reporter: Eric Hanson
> Assignee: Eric Hanson
> Priority: Minor
> Attachments: function-tests.sql
>
>
> Vectorized implementations of string functions, math functions, and type
> casts have been implemented.
> Currently, these have junit tests to verify input/output correctness on
> batches of rows. They have been tested from the command line to verify
> end-to-end execution. However, we should add end-to-end tests to verify they
> work from SQL statements and produce the right results. This will catch
> regressions in case of, for example, incorrect changes in
> VectorizationContext.java.
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