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https://issues.apache.org/jira/browse/DRILL-8136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Turton reassigned DRILL-8136:
-----------------------------------
Assignee: James Turton
> Overhaul implict type cast system
> ---------------------------------
>
> Key: DRILL-8136
> URL: https://issues.apache.org/jira/browse/DRILL-8136
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Esther Buchwalter
> Assignee: James Turton
> Priority: Minor
>
> The existing implicit casting system is built on simplistic total ordering of
> data types that yields oddities such as TINYINT being regarded as the closest
> numeric type to VARCHAR. This, in turn, hurts the range of data types with
> which SQL functions can be used. E.g. `select sqrt('3.1415926')` works in
> many RDBMSes, and will in Drill too if we improve the implcit casting system.
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