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https://issues.apache.org/jira/browse/CALCITE-2319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16501982#comment-16501982
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Julian Hyde commented on CALCITE-2319:
--------------------------------------
Thanks - long is much better.
Can you clarify: which values are considered true, which false, and which
unknown?
> Druid Expressions - Output Type of Boolean expressions should be set to LONG.
> -----------------------------------------------------------------------------
>
> Key: CALCITE-2319
> URL: https://issues.apache.org/jira/browse/CALCITE-2319
> Project: Calcite
> Issue Type: Bug
> Reporter: Nishant Bangarwa
> Assignee: Nishant Bangarwa
> Priority: Major
>
> Sample Query -
> {code}
> SELECT \"product_id\" > 1000 as pid_category, COUNT(\"store_sales\") FROM
> FOODMART_TABLE GROUP BY \"product_id\" > 1000";
> {code}
> For the above query output type of virtual column is set to string whereas it
> should be set to float as druid expression return type is float.
> {code}
> "{"queryType":"groupBy","dataSource":"foodmart","granularity":"all","dimensions":[{"type":"default","dimension":"vc","outputName":"vc","outputType":"STRING"}],"virtualColumns":[{"type":"expression","name":"vc","expression":"(CAST(\"product_id\",
> 'LONG') >
> 1000)","outputType":"FLOAT"}],"limitSpec":{"type":"default"},"aggregations":[{"type":"filtered","filter":{"type":"not","field":{"type":"selector","dimension":"store_sales","value":null}},"aggregator":{"type":"count","name":"EXPR$1","fieldName":"store_sales"}}],"intervals":["1900-01-09T00:00:00.000Z/2992-01-10T00:00:00.000Z"]}"
> {code}
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