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https://issues.apache.org/jira/browse/FLINK-8838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16480001#comment-16480001
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ASF GitHub Bot commented on FLINK-8838:
---------------------------------------
Github user suez1224 commented on a diff in the pull request:
https://github.com/apache/flink/pull/5619#discussion_r189144224
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/util/ExplodeFunctionUtil.scala
---
@@ -18,74 +18,244 @@
package org.apache.flink.table.plan.util
+import java.util
+
import org.apache.flink.api.common.typeinfo.{BasicArrayTypeInfo,
BasicTypeInfo, PrimitiveArrayTypeInfo, TypeInformation}
-import org.apache.flink.api.java.typeutils.ObjectArrayTypeInfo
+import org.apache.flink.api.java.typeutils.{MultisetTypeInfo,
ObjectArrayTypeInfo}
import org.apache.flink.table.functions.TableFunction
class ObjectExplodeTableFunc extends TableFunction[Object] {
def eval(arr: Array[Object]): Unit = {
- arr.foreach(collect)
+ if (null != arr) {
+ var i = 0
--- End diff --
Can't you just do the following?
` if (null != arr) {
arr.foreach(collect)
}`
> Add Support for UNNEST a MultiSet type field
> --------------------------------------------
>
> Key: FLINK-8838
> URL: https://issues.apache.org/jira/browse/FLINK-8838
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: lincoln.lee
> Assignee: lincoln.lee
> Priority: Major
>
> MultiSetTypeInfo was introduced by FLINK-7491, and UNNEST support Array type
> only, so it would be nice to support UNNEST a MultiSet type field.
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