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https://issues.apache.org/jira/browse/STORM-2143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15562030#comment-15562030
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Jungtaek Lim commented on STORM-2143:
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It can be done with simply adding function which converts field names to
stream, but it's a short term solution , and if we can push down filters to
data source, data source itself should handle this.
> Storm SQL provider implementations should convert field names as uppercased
> ---------------------------------------------------------------------------
>
> Key: STORM-2143
> URL: https://issues.apache.org/jira/browse/STORM-2143
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-sql
> Reporter: Jungtaek Lim
> Priority: Critical
>
> When getting column informations from Calcite, they are not case sensitive
> and all uppercased.
> Since Storm field name is case sensitive, we should respect 'case
> insensitive' while handling tuples. If producer just creates tuples with
> field names to uppercase before filtering and publishing, that makes life
> much easier.
> NOTE: This should be documented so that following implementations can follow
> up.
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