snuyanzin commented on code in PR #28975:
URL: https://github.com/apache/flink/pull/28975#discussion_r3784365520
##########
flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/plan/nodes/exec/stream/ProcessTableFunctionTestUtils.java:
##########
@@ -1188,6 +1189,36 @@ public void eval(@ArgumentHint(ROW_SEMANTIC_TABLE)
CastingPojo p, long b) {
}
}
+ /**
+ * Testing function whose table argument declares a non-default conversion
class ({@link
+ * RowData}). The conversion class must be preserved so that {@code
eval()} receives {@link
+ * RowData} instead of {@link Row}.
+ */
+ public static class RowDataRowSemanticTableFunction extends
AppendProcessTableFunctionBase {
+ public TypeInference getTypeInference(DataTypeFactory typeFactory) {
+ return TypeInference.newBuilder()
+ .staticArguments(
+ StaticArgument.table(
+ "input",
+ RowData.class,
+ false,
+
EnumSet.of(StaticArgumentTrait.ROW_SEMANTIC_TABLE)))
+ .outputTypeStrategy(
+ callContext ->
+ Optional.of(
+ DataTypes.ROW(
+ DataTypes.FIELD(
+ "out",
+
DataTypes.STRING().notNull()))
+ .notNull()))
+ .build();
+ }
Review Comment:
yep, makes sense, done
thank you
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