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https://issues.apache.org/jira/browse/FLINK-6250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978903#comment-15978903
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ASF GitHub Bot commented on FLINK-6250:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3732#discussion_r112693953
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/datastream/DataStreamOverAggregate.scala
---
@@ -91,6 +93,22 @@ class DataStreamOverAggregate(
val overWindow: org.apache.calcite.rel.core.Window.Group =
logicWindow.groups.get(0)
+ val distinctVarMap: Map[String,Boolean] = new HashMap[String, Boolean]
+ if (input.isInstanceOf[DataStreamCalc]) {
+ val dsCalc = input.asInstanceOf[DataStreamCalc]
+ val iter = dsCalc
+ .selectionToString(dsCalc.getProgram,
dsCalc.getExpressionString)
+ .split(",")
+ .iterator
+ while (iter.hasNext) {
+ val exp = iter.next
+ if(exp.contains("DIST")){
+ val varName = exp.substring(exp.indexOf("$"))
+ distinctVarMap.put(varName,true)
--- End diff --
+space
> Distinct procTime with Rows boundaries
> --------------------------------------
>
> Key: FLINK-6250
> URL: https://issues.apache.org/jira/browse/FLINK-6250
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: radu
> Assignee: Stefano Bortoli
>
> Support proctime with rows boundaries
> Q1.1. `SELECT SUM( DISTINCT b) OVER (ORDER BY procTime() ROWS BETWEEN 2
> PRECEDING AND CURRENT ROW) FROM stream1`
> Q1.1. `SELECT COUNT(b), SUM( DISTINCT b) OVER (ORDER BY procTime() ROWS
> BETWEEN 2 PRECEDING AND CURRENT ROW) FROM stream1`
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