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https://issues.apache.org/jira/browse/IMPALA-6340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Taras Bobrovytsky resolved IMPALA-6340.
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Resolution: Fixed
Fix Version/s: Impala 3.0
> There is no error when inserting an invalid value into a decimal column under
> decimal_v2
> ----------------------------------------------------------------------------------------
>
> Key: IMPALA-6340
> URL: https://issues.apache.org/jira/browse/IMPALA-6340
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 2.11.0
> Reporter: Taras Bobrovytsky
> Assignee: Taras Bobrovytsky
> Priority: Blocker
> Labels: correctness
> Fix For: Impala 3.0
>
>
> The following series of commands does not result in an error or a warning
> when decimal_v2 is enabled.
> {code}
> set decimal_v2=1;
> create table t1 (c1 decimal(38,37));
> insert into t1 select 11.11;
> {code}
> We end up inserting a NULL into the column without any warnings.
> If these commands are executed with decimal_v2 disabled, we get the following
> warning:
> {code}
> WARNINGS: UDF WARNING: Decimal expression overflowed, returning NULL
> {code}
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