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https://issues.apache.org/jira/browse/DRILL-2484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Victoria Markman closed DRILL-2484.
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> Document CASE expression
> ------------------------
>
> Key: DRILL-2484
> URL: https://issues.apache.org/jira/browse/DRILL-2484
> Project: Apache Drill
> Issue Type: Bug
> Components: Documentation
> Reporter: Victoria Markman
> Assignee: Kristine Hahn
>
> Case expression is not documented, we support "searched case":
> CASE
> WHEN boolean-expression THEN
> statements
> [ WHEN boolean-expression THEN
> statements
> ... ]
> [ ELSE
> statements ]
> END CASE;
> See postgres page for example:
> http://www.postgresql.org/docs/9.1/static/plpgsql-control-structures.html
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