DonnyZone commented on a change in pull request #1981:
URL: https://github.com/apache/calcite/pull/1981#discussion_r453473647
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File path:
core/src/main/java/org/apache/calcite/adapter/enumerable/EnumUtils.java
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@@ -786,28 +787,29 @@ static Expression tumblingWindowSelector(
final Expression wmColExprToLong = EnumUtils.convert(wmColExpr,
long.class);
final Expression shiftExpr = Expressions.constant(1, long.class);
- // Find the fixed window for a timestamp given a window size and return
the window start.
- // Fixed windows counts from timestamp 0.
- // wmMillis / intervalMillis * intervalMillis
- expressions.add(
- Expressions.multiply(
- Expressions.divide(
+ // Find the fixed window for a timestamp given a window size and an offset
and return the
Review comment:
"...a window size and an offset and return..." -> "a window size and an
offset, and return"
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