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https://issues.apache.org/jira/browse/FLINK-6237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15953697#comment-15953697
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ASF GitHub Bot commented on FLINK-6237:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/3660#discussion_r109453119
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/CodeGenerator.scala
---
@@ -1106,6 +1106,31 @@ class CodeGenerator(
requireArray(array)
generateArrayElement(this, array)
+ // RAND([seed])
+ case RAND if isNumeric(resultType) && operands.size <= 1 =>
--- End diff --
We don't need this changes if the method is implemented using a
`CallGenerator` in `FunctionGenerator`.
> support RAND and RAND_INTEGER on SQL
> ------------------------------------
>
> Key: FLINK-6237
> URL: https://issues.apache.org/jira/browse/FLINK-6237
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: godfrey he
> Assignee: godfrey he
>
> support RAND and RAND_INTEGER with and without seed on SQL.
> like:
> RAND([seed]),
> RAND_INTEGER([seed, ] bound)
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