SiyaoIsHiding commented on code in PR #1931:
URL:
https://github.com/apache/cassandra-java-driver/pull/1931#discussion_r1858081592
##########
query-builder/src/main/java/com/datastax/oss/driver/api/querybuilder/select/Select.java:
##########
@@ -146,6 +147,16 @@ default Select orderBy(@NonNull String columnName,
@NonNull ClusteringOrder orde
return orderBy(CqlIdentifier.fromCql(columnName), order);
}
+ /**
+ * Shortcut for {@link #orderByAnnOf(CqlIdentifier, CqlVector)}, adding an
ORDER BY ... ANN OF ...
+ * clause
+ */
+ @NonNull
+ Select orderByAnnOf(@NonNull String columnName, @NonNull CqlVector<? extends
Number> ann);
+
+ /** Adds the ORDER BY ... ANN OF ... clause */
+ @NonNull
+ Select orderByAnnOf(@NonNull CqlIdentifier columnId, @NonNull CqlVector<?
extends Number> ann);
Review Comment:
Getting back to this conversation because the current implementation will
result in a compilation error when we extend vector support to arbitrary
subtype.
```java
public Select orderByAnnOf(@NonNull CqlIdentifier columnId, @NonNull
CqlVector<?> ann) {
return withAnn(new Ann(columnId, ann));
}
```
The argument we get is a `CqlVector<?>` , but the `Ann` constructor wants a
`CqlVector<? extends Number>`. Turns out compilation error.
We either:
1. change Ann constructor to `CqlVector<?>`, or
2. change `orderByAnnOf` API to `CqlVector<? extends Number>`.
I think option 2 makes more sense.
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