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changes.mady.by.user Shannon Ladymon

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Comment: change future to past tense for HIVE-7314 bug fix

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Note
titleBug for expression caching when UDF nested in UDF or function

When hive.cache.expr.evaluation is set to true (which is the default) a UDF can give incorrect results if it is nested in another UDF or a Hive function. This bug affects releases 0.12.0, 0.13.0, and 0.13.1. Release 0.14.0 will fix fixed the bug (HIVE-7314).

The problem relates to the UDF's implementation of the getDisplayString method, as discussed in the Hive user mailing list.

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