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https://issues.apache.org/jira/browse/FLINK-10597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16702895#comment-16702895
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ASF GitHub Bot commented on FLINK-10597:
----------------------------------------
twalthr commented on a change in pull request #7189: [FLINK-10597][table]
Enabled UDFs support in MATCH_RECOGNIZE
URL: https://github.com/apache/flink/pull/7189#discussion_r237398248
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/match/IterativeConditionRunner.scala
##########
@@ -31,30 +31,27 @@ import org.apache.flink.types.Row
class IterativeConditionRunner(
name: String,
code: String)
- extends IterativeCondition[Row]
- with Compiler[IterativeCondition[Row]]
+ extends RichIterativeCondition[Row]
+ with Compiler[RichIterativeCondition[Row]]
with Logging {
- @transient private var function: IterativeCondition[Row] = _
+ @transient private var function: RichIterativeCondition[Row] = _
- def init(): Unit = {
+ override def open(parameters: Configuration): Unit = {
LOG.debug(s"Compiling IterativeCondition: $name \n\n Code:\n$code")
- // We cannot get user's classloader currently, see FLINK-6938 for details
- val clazz = compile(Thread.currentThread().getContextClassLoader, name,
code)
+ val clazz = compile(getRuntimeContext.getUserCodeClassLoader, name, code)
LOG.debug("Instantiating IterativeCondition.")
function = clazz.newInstance()
- // TODO add logic for opening and closing the function once it can be a
RichFunction
+ FunctionUtils.setFunctionRuntimeContext(function, getRuntimeContext)
Review comment:
Is there a reason why a distributed cache is not supported in a
`CepRuntimeContext`? We don't expose many context properties in SQL UDFs but
the distributed cache apparently seems to be important.
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> Enable UDFs support in MATCH_RECOGNIZE
> --------------------------------------
>
> Key: FLINK-10597
> URL: https://issues.apache.org/jira/browse/FLINK-10597
> Project: Flink
> Issue Type: Sub-task
> Components: CEP, Table API & SQL
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.8.0
>
>
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