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Stamatis Zampetakis commented on CALCITE-4085: ---------------------------------------------- Hi [~dwysakowicz] I added you as a contributor to the project. You can now assign tickets by your self ;) > Improve nullability support for fields of structured type > --------------------------------------------------------- > > Key: CALCITE-4085 > URL: https://issues.apache.org/jira/browse/CALCITE-4085 > Project: Calcite > Issue Type: Improvement > Components: core > Reporter: Dawid Wysakowicz > Assignee: Dawid Wysakowicz > Priority: Major > > As discussed in > https://lists.apache.org/thread.html/r602ac95fff23dd1ef974fb396df7be061ab861384ec42f5c57ce0bc2%40%3Cdev.calcite.apache.org%3E > I would like to change the way a type of a field of a record is derived at > couple of locations. This helps frameworks such as Apache Flink to build > support for nullable records with not null fields. > I suggest to change: > * SqlDotOperator#deriveType > * SqlItemOperator#inferReturnType > * AliasNamespace#validateImpl > * RexBuilder#makeFieldAccessInternal > * SqlValidatorImpl.DeriveTypeVisitor#visit(SqlIdentifier) -- This message was sent by Atlassian Jira (v8.3.4#803005)