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https://issues.apache.org/jira/browse/CALCITE-2663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16683376#comment-16683376
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Julian Hyde commented on CALCITE-2663:
--------------------------------------
Thanks for logging this JIRA case for [PR
#908|https://github.com/apache/calcite/pull/908]. If you still want to
contribute this, can you re-open the PR? We will close it only when it has been
accepted.
Review comments:
* Can you also support "CREATE OR REPLACE FUNCTION", and "DROP FUNCTION".
* Probably SqlCreateFunction should extend SqlCreate
* Put it in createStatementParserMethods not statementParserMethods
* You assign pos on two consecutive lines.
* Use {{CompoundIdentifier()}}, not <DOT>.
* Add syntax to reference.md
> CREATE FUNCTION SQL statement
> -----------------------------
>
> Key: CALCITE-2663
> URL: https://issues.apache.org/jira/browse/CALCITE-2663
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.16.0, 1.17.0
> Reporter: ambition
> Assignee: Julian Hyde
> Priority: Minor
> Fix For: 1.16.0, 1.17.0
>
>
> support create function statement like hive:
>
>
> {code:java}
> CREATE FUNCTION [db_name.]function_name AS class_name
> [USING JAR|FILE|ARCHIVE 'file_uri' [, JAR|FILE|ARCHIVE 'file_uri'] ];
> {code}
>
>
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