clintropolis commented on code in PR #16741:
URL: https://github.com/apache/druid/pull/16741#discussion_r1688656978
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processing/src/main/java/org/apache/druid/query/operator/window/WindowFrame.java:
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@@ -21,159 +21,192 @@
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSubTypes;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
-import org.apache.druid.query.operator.ColumnWithDirection;
+import org.apache.druid.annotations.SubclassesMustOverrideEqualsAndHashCode;
+
+import javax.annotation.Nullable;
-import java.util.Collections;
import java.util.List;
import java.util.Objects;
-import java.util.stream.Collectors;
-public class WindowFrame
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
+@JsonSubTypes(value = {
+ @JsonSubTypes.Type(name = "rows", value = WindowFrame.Rows.class),
+ @JsonSubTypes.Type(name = "groups", value = WindowFrame.Groups.class),
Review Comment:
actually, I have another question now that i re-read the PR description, why
did `RANGE` change to `groups`? Is this because only group by queries are
supported currently? I naively would expect the syntax present in the query the
user wrote to match what appears here, but that doesn't seem to be the case
with this change. Is this confusing? How will this make a future refactor
easier?
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