Github user twalthr commented on a diff in the pull request: https://github.com/apache/flink/pull/5015#discussion_r151408469 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/validate/FunctionCatalog.scala --- @@ -333,6 +337,10 @@ class BasicOperatorTable extends ReflectiveSqlOperatorTable { SqlStdOperatorTable.ITEM, SqlStdOperatorTable.CARDINALITY, SqlStdOperatorTable.ELEMENT, + // MAP OPERATORS + SqlStdOperatorTable.MAP_VALUE_CONSTRUCTOR, + SqlStdOperatorTable.ITEM, --- End diff -- ITEM and CARDINALITY are already present.
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