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From GitBox <...@apache.org>
Subject [GitHub] twalthr commented on a change in pull request #6299: [FLINK-9713][table][sql] Support processing time versioned joins
Date Wed, 08 Aug 2018 11:29:50 GMT
twalthr commented on a change in pull request #6299: [FLINK-9713][table][sql] Support processing
time versioned joins
URL: https://github.com/apache/flink/pull/6299#discussion_r208501105
 
 

 ##########
 File path: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/table.scala
 ##########
 @@ -155,6 +158,90 @@ class Table(
     select(withResolvedAggFunctionCall: _*)
   }
 
+  /**
+    * Creates table version function backed up by this table as a history table.
+    *
+    * @param version field for the [[TableVersionFunction]]. Must points to a time indicator
+    * @param primaryKey field for the [[TableVersionFunction]].
+    * @return [[TableVersionFunction]]
+    */
+  def createTableVersionFunction(
+      version: String,
+      primaryKey: String): TableVersionFunction = {
 
 Review comment:
   Consider composite keys as well.

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