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https://issues.apache.org/jira/browse/CALCITE-3782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17206812#comment-17206812
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Julian Hyde commented on CALCITE-3782:
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[~hailong wang], Since you implemented this feature, I think you should
research the specification and write tests for corner cases. I know that
{{BIT_AND(X'FF', X'')}} currently returns {{X'FF'}}, and that is wrong.
The code treats empty ByteString values are special, and I don't see any good
reason for that.
> Bitwise operator Bit_And, Bit_OR and Bit_XOR support binary and varbinary type
> ------------------------------------------------------------------------------
>
> Key: CALCITE-3782
> URL: https://issues.apache.org/jira/browse/CALCITE-3782
> Project: Calcite
> Issue Type: Sub-task
> Components: core
> Affects Versions: 1.22.0
> Reporter: hailong wang
> Assignee: hailong wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.26.0
>
> Time Spent: 4h 50m
> Remaining Estimate: 0h
>
> According to the discussion link CALCITE-3732 , We should make bitwise
> operators work on all integer types, BINARY and VARBINARY. So Bit_And, Bit_OR
> and Bit_XOR agg operator should also support BINARY and VARBINARY.
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