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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2020/01/17 01:47:50 UTC

[GitHub] [calcite] XuQianJin-Stars commented on a change in pull request #1761: [CALCITE-3737] HOP Table-valued Function

XuQianJin-Stars commented on a change in pull request #1761: [CALCITE-3737] HOP Table-valued Function 
URL: https://github.com/apache/calcite/pull/1761#discussion_r367735467
 
 

 ##########
 File path: core/src/main/java/org/apache/calcite/adapter/enumerable/EnumUtils.java
 ##########
 @@ -796,4 +800,86 @@ static Expression windowSelector(
         outputPhysType.record(expressions),
         parameter);
   }
+
+  /**
+   * Create enumerable implementation that applies hoping on each element from the input
+   * enumerator and produces at least one element for each input element.
+   */
+  public static Enumerable<Object[]> hoping(Enumerator<Object[]> inputEnumerator,
+                                            int indexOfWatermarkedColumn,
+                                            long emitFrequency,
 
 Review comment:
   809L-811L The indentation format seems a bit problematic.

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