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https://issues.apache.org/jira/browse/IMPALA-14429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Smith resolved IMPALA-14429.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> Calcite Planner: 1.40 breaks coercion of smaller numeric datatypes
> ------------------------------------------------------------------
>
> Key: IMPALA-14429
> URL: https://issues.apache.org/jira/browse/IMPALA-14429
> Project: IMPALA
> Issue Type: Sub-task
> Reporter: Steve Carlin
> Priority: Major
> Fix For: Impala 5.0.0
>
>
> In Calcite v1.37, we use coercenodes to change smaller datatypes to match
> Impala types. For instance, the numeric '1' needs to be a tinyint in Impala,
> whereas Calcite makes it an int (CALCITE-7120 is filed for this problem).
> On upgrade from Calcite 1.37 to Calcite 1.40, the mechanism in coercenodes
> fails because of work Calcite did in the AST portion of their code. So we
> need to come up with another way to do this.
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