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https://issues.apache.org/jira/browse/BEAM-12009?focusedWorklogId=583760&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-583760
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ASF GitHub Bot logged work on BEAM-12009:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/Apr/21 20:01
            Start Date: 15/Apr/21 20:01
    Worklog Time Spent: 10m 
      Work Description: ibzib commented on a change in pull request #14476:
URL: https://github.com/apache/beam/pull/14476#discussion_r614355368



##########
File path: 
sdks/java/extensions/sql/zetasql/src/main/java/org/apache/beam/sdk/extensions/sql/zetasql/BeamJavaUdfCalcRule.java
##########
@@ -122,7 +122,7 @@ public RelNode convert(RelNode rel) {
    * Returns true only if the literal can be correctly implemented by {@link
    * org.apache.beam.sdk.extensions.sql.impl.rel.BeamCalcRel} in ZetaSQL.
    */
-  private static boolean udfSupportsLiteralType(RelDataType type) {
+  static boolean udfSupportsLiteralType(RelDataType type) {

Review comment:
       Done.




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 583760)
    Time Spent: 1h 40m  (was: 1.5h)

> Implement Calc splitting.
> -------------------------
>
>                 Key: BEAM-12009
>                 URL: https://issues.apache.org/jira/browse/BEAM-12009
>             Project: Beam
>          Issue Type: Sub-task
>          Components: dsl-sql-zetasql
>            Reporter: Kyle Weaver
>            Assignee: Kyle Weaver
>            Priority: P2
>              Labels: zetasql-java-udf
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> In order to use Java UDFs along with ZetaSQL built-in functions, we will need 
> the ability to split a single LogicalCalc into multiple Beam Calc nodes 
> (BeamCalcRel and/or BeamZetaSqlCalcRel). We might use 
> [CalcRelSplitter|https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/rel/rules/CalcRelSplitter.java]
>  as a starting point.



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