Airblader commented on a change in pull request #17186:
URL: https://github.com/apache/flink/pull/17186#discussion_r704106009
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File path:
flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/inference/strategies/SpecificInputTypeStrategies.java
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@@ -46,6 +55,15 @@
public static final InputTypeStrategy CURRENT_WATERMARK =
new CurrentWatermarkInputTypeStrategy();
+ /** Input strategy for {@link BuiltInFunctionDefinitions#JSON_OBJECT}. */
+ public static final InputTypeStrategy JSON_OBJECT =
+ compositeSequence()
+ .argument(symbol(JsonOnNull.class))
+ .finishWithVarying(
+ repeatingSequence(
+
and(logical(LogicalTypeFamily.CHARACTER_STRING), LITERAL),
Review comment:
I've extended the JavaDoc for it to describe it in plain words.
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