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https://issues.apache.org/jira/browse/CALCITE-5777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dan Zou reassigned CALCITE-5777:
--------------------------------
Assignee: Dan Zou
> Simplify 'OperandTypes.STRING.or(OperandTypes.BINARY)' to
> 'OperandTypes.STRING'
> -------------------------------------------------------------------------------
>
> Key: CALCITE-5777
> URL: https://issues.apache.org/jira/browse/CALCITE-5777
> Project: Calcite
> Issue Type: Bug
> Reporter: Dan Zou
> Assignee: Dan Zou
> Priority: Major
>
> We have used 'OperandTypes.STRING.or(OperandTypes.BINARY)' multiple times as
> the SqlOperandTypeChecker in 'SqlLibraryOperators'. But this is not
> reasonable, as the STRING family already contains BINARY family, which means
> we could simplify 'OperandTypes.STRING.or(OperandTypes.BINARY)' to
> 'OperandTypes.STRING'.
> {code:java}
> // From 'SqlTypeName'
> public static final List<SqlTypeName> STRING_TYPES =
> combine(CHAR_TYPES, BINARY_TYPES);
> {code}
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