rubenada commented on a change in pull request #898: [CALCITE-2464] Allow to
set nullability for columns of structured types (Ruben Quesada Lopez)
URL: https://github.com/apache/calcite/pull/898#discussion_r258930853
##########
File path: core/src/main/java/org/apache/calcite/jdbc/JavaTypeFactoryImpl.java
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@@ -244,10 +244,11 @@ public RelDataType toSql(RelDataType type) {
public static RelDataType toSql(final RelDataTypeFactory typeFactory,
RelDataType type) {
if (type instanceof RelRecordType) {
- return typeFactory.createStructType(
- Lists.transform(type.getFieldList(),
- field -> toSql(typeFactory, field.getType())),
- type.getFieldNames());
+ return typeFactory.createTypeWithNullability(
Review comment:
Ok, modified with new private method to change nullability only at "root"
level.
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