lihaosky commented on code in PR #26583:
URL: https://github.com/apache/flink/pull/26583#discussion_r2108249999
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flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/functions/sql/ml/SqlMLPredictTableFunction.java:
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@@ -61,9 +78,16 @@ public boolean argumentMustBeScalar(int ordinal) {
@Override
protected RelDataType inferRowType(SqlOperatorBinding opBinding) {
- // TODO: FLINK-37780 output type based on table schema and model
output schema
- // model output schema to be available after integrated with
SqlExplicitModelCall
- return opBinding.getOperandType(1);
+ final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
+ final RelDataType inputRowType = opBinding.getOperandType(0);
+ final RelDataType modelOutputRowType = opBinding.getOperandType(1);
+
+ return typeFactory
+ .builder()
+ .kind(inputRowType.getStructKind())
+ .addAll(inputRowType.getFieldList())
Review Comment:
Yes. I have a test case for this:
https://github.com/apache/flink/pull/26583/files#diff-f6cf1751f150530409425ff9ada80d1cf32c44d1558b20fa6cf64664525ec998R138-R154.
OK. I will allow conflict names
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