amaliujia commented on a change in pull request #1761:
URL: https://github.com/apache/calcite/pull/1761#discussion_r411604525
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File path:
core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java
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@@ -2296,8 +2298,14 @@ public void unparse(
/** DESCRIPTOR(column_name, ...). */
public static final SqlOperator DESCRIPTOR = new SqlDescriptorOperator();
- /** TUMBLE as a table-value function. */
- public static final SqlFunction TUMBLE_TVF = new
SqlWindowTableFunction(SqlKind.TUMBLE.name());
+ /** TUMBLE as a table function. */
+ public static final SqlFunction TUMBLE_TVF = new SqlTumbleTableFunction();
+
+ /** HOP as a table function. */
+ public static final SqlFunction HOP_TVF = new SqlHopTableFunction();
+
+ /** SESSION as a table function. */
+ public static final SqlFunction SESSION_TVF = new SqlSessionTableFunction();
Review comment:
How about put this rename in a deprecation process? Directly renaming is
not backward compatible. I plan to send a discussion email to community to
discuss the deprecation of group window functions. We can decide how to rename
it based on the discussion (e.g. if people don't want to deprecate group window
functions, it probably means that they want keep `HOP` for hopping by group
windowing function).
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