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https://issues.apache.org/jira/browse/IMPALA-6174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16553494#comment-16553494
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Alex Rodoni commented on IMPALA-6174:
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https://gerrit.cloudera.org/#/c/11023/
> Mismatched size of input seed of rand/random between docs and backend
> ---------------------------------------------------------------------
>
> Key: IMPALA-6174
> URL: https://issues.apache.org/jira/browse/IMPALA-6174
> Project: IMPALA
> Issue Type: Bug
> Components: Backend, Docs
> Reporter: Jinchul Kim
> Assignee: Alex Rodoni
> Priority: Minor
>
> The mismatch between docs and the code about the integer type (4-byte vs
> 8-byte) of seed for rand/random functions.
> * Doc: docs/topics/impala_math_functions.xml:1081
> ** 1081 <codeph>rand()</codeph>, <codeph>rand(int seed)</codeph>,
> * Code: common/function-registry/impala_functions.py:299
> ** 299 [['rand','random'], 'DOUBLE', ['BIGINT'],
> 'impala::MathFunctions::RandSeed',
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