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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-65) Implict conversion from integer to long broken for Dynamic Serde tables
Date Mon, 01 Dec 2008 19:59:44 GMT

    [ https://issues.apache.org/jira/browse/HIVE-65?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652133#action_12652133
] 

Zheng Shao commented on HIVE-65:
--------------------------------

Yep. The problem with this test case is an ambiguous call: evaluate(String, Number), evaluate(Number,
String), and evaluate(Long, Long) all fit with one implicit conversion.

I think we have to disallow the circular conversion.

This is what we discussed on the mailing list long time ago (This disallows number -> string
implicit conversion)
String -> byte -> int -> long -> double
int -> float -> double

Is this your plan for the fix?


> Implict conversion from integer to long broken for Dynamic Serde tables
> -----------------------------------------------------------------------
>
>                 Key: HIVE-65
>                 URL: https://issues.apache.org/jira/browse/HIVE-65
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Ashish Thusoo
>            Assignee: Zheng Shao
>
> For a dynamic serde table that has a bigint column, implict conversion from int to bigint
seems to be broken. I have not verified this for other tables.

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