twalthr commented on a change in pull request #6815: [FLINK-7062][cep][table]
Added basic support for MATCH_RECOGNIZE
URL: https://github.com/apache/flink/pull/6815#discussion_r226183576
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File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/validate/FunctionCatalog.scala
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@@ -472,6 +472,15 @@ class BasicOperatorTable extends
ReflectiveSqlOperatorTable {
ScalarSqlFunctions.REPEAT,
ScalarSqlFunctions.REGEXP_REPLACE,
+ // MATCH_RECOGNIZE
+ SqlStdOperatorTable.FIRST,
+ SqlStdOperatorTable.LAST,
+ SqlStdOperatorTable.PREV,
+ SqlStdOperatorTable.NEXT,
+ SqlStdOperatorTable.CLASSIFIER,
Review comment:
We should check again which operators we need here. Both `CLASSIFIER`,
`RUNNING`, `MATCH_NUMBER` are not used in our code. Can we drop them from the
list?
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