davidradl commented on code in PR #27231:
URL: https://github.com/apache/flink/pull/27231#discussion_r2527966354
##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/functions/inference/TypeInferenceOperandChecker.java:
##########
@@ -240,10 +246,28 @@ private void insertImplicitCasts(SqlCallBinding
callBinding, List<DataType> expe
/** Adopted from {@link
org.apache.calcite.sql.validate.implicit.AbstractTypeCoercion}. */
private SqlNode castTo(SqlNode node, RelDataType type) {
- return SqlStdOperatorTable.CAST.createCall(
- SqlParserPos.ZERO,
- node,
-
SqlTypeUtil.convertTypeToSpec(type).withNullable(type.isNullable()));
+ final SqlDataTypeSpec dataType;
+ if (type instanceof RawRelDataType) {
+ dataType = createRawDataTypeSpec((RawRelDataType) type);
+ } else {
+ dataType =
SqlTypeUtil.convertTypeToSpec(type).withNullable(type.isNullable());
Review Comment:
ok thanks for the explanation. That makes sense.
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