By the way, views that use MATCH_RECOGNIZE don't work in Flink 1.11. [1]

[1] https://issues.apache.org/jira/browse/FLINK-20077

On Thu, May 13, 2021 at 11:06 AM David Anderson <[email protected]>
wrote:

> I was able to get something like this working, but only by introducing a
> view:
>
> CREATE TEMPORARY VIEW mmm AS SELECT id FROM events MATCH_RECOGNIZE (...);
>
> SELECT * FROM event WHERE id IN (SELECT id FROM mmm);
>
> Regards,
> David
>
> On Tue, May 11, 2021 at 9:22 PM Tejas <[email protected]> wrote:
>
>> Hi,
>> I am using flink 1.11 and trying nested query where match_recognize is
>> inside, as shown below :
>> /select * from events where id = (SELECT * FROM events MATCH_RECOGNIZE
>> (PARTITION BY org_id ORDER BY proctime MEASURES A.id AS startId ONE ROW
>> PER
>> MATCH PATTERN (A C* B) DEFINE A AS A.tag = 'tag1', C AS C.tag <> 'tag2', B
>> AS B.tag = 'tag2'));/
>>
>> And I am getting an error as :
>> /org.apache.calcite.sql.validate.SqlValidatorException: Table 'A' not
>> found/
>>
>> Is this not supported ? If not what's the alternative ?
>>
>>
>>
>> --
>> Sent from:
>> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/
>>
>

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