dawidwys commented on code in PR #23622:
URL: https://github.com/apache/flink/pull/23622#discussion_r1380488848
##########
flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/inference/strategies/SpecificTypeStrategies.java:
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@@ -59,12 +59,9 @@ public final class SpecificTypeStrategies {
public static final TypeStrategy ARRAY = new ArrayTypeStrategy();
/** Type strategy specific for array element. */
- public static final TypeStrategy ARRAY_ELEMENT =
- callContext ->
- Optional.of(
- ((CollectionDataType)
callContext.getArgumentDataTypes().get(0))
- .getElementDataType());
+ public static final TypeStrategy ARRAY_ELEMENT = new
ArrayElementTypeStrategy();
+ public static final TypeStrategy ITEM_AT = new ItemAtTypeStrategy();
Review Comment:
One is `InputTypeStrategy` the other `TypeStrategy`. One is for input the
other for output.
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