SteNicholas commented on a change in pull request #17691:
URL: https://github.com/apache/flink/pull/17691#discussion_r745582828
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File path:
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/type/FlinkReturnTypes.java
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@@ -104,9 +104,9 @@ public RelDataType inferReturnType(SqlOperatorBinding
opBinding) {
}
};
- /** Type-inference strategy that always returns "VARCHAR(2000)" with nulls
always allowed. */
- public static final SqlReturnTypeInference VARCHAR_2000_NULLABLE =
- ReturnTypes.cascade(ReturnTypes.VARCHAR_2000,
SqlTypeTransforms.FORCE_NULLABLE);
+ public static final SqlReturnTypeInference VARCHAR_NULLABLE =
Review comment:
@slinkydeveloper , the `VARCHAR_FORCE_NULLABLE` makes sense to me.
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