Airblader commented on a change in pull request #17691:
URL: https://github.com/apache/flink/pull/17691#discussion_r746382046
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File path:
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/functions/sql/SqlJsonObjectFunction.java
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@@ -42,19 +40,18 @@
import java.util.Locale;
import static org.apache.calcite.util.Static.RESOURCE;
+import static
org.apache.flink.table.planner.plan.type.FlinkReturnTypes.VARCHAR_NOT_NULLABLE;
/**
- * This class has been copied from Calcite to backport the fix made during
CALCITE-4394.
- *
- * <p>TODO Remove this class with Calcite 1.27 and replace it with {@link
Review comment:
If not done yet, please also add the TODOs for the Calcite upgrade into
the corresponding JIRA issue directly; comments in the code will most likely
not be seen.
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