[jira] [Created] (CALCITE-1911) Support within clause in MATCH_RECOGNIZE

["Dian Fu (JIRA)" <ji...@apache.org>]

Dian Fu created CALCITE-1911:
--------------------------------

             Summary: Support within clause in MATCH_RECOGNIZE
                 Key: CALCITE-1911
                 URL: https://issues.apache.org/jira/browse/CALCITE-1911
             Project: Calcite
          Issue Type: Bug
            Reporter: Dian Fu
            Assignee: Julian Hyde


Window is an important feature for pattern detection, it defines the time duration for the events to match a pattern. Here is an example from [doc|https://docs.oracle.com/middleware/1213/eventprocessing/cql-reference/GUID-34D4968E-C55A-4BC7-B1CE-C84B202217BD.htm#CQLLR2119]:
{code}
SELECT T.Ac2, T.Bc2, T.Cc2 
    FROM S
    MATCH_RECOGNIZE(
        MEASURES A.c2 as Ac2, B.c2 as Bc2, C.c2 as Cc2
        PATTERN (A (B+ | C)) within 3000 milliseconds 
        DEFINE 
            A as A.c1=10 or A.c1=25, 
            B as B.c1=20 or B.c1=15 or B.c1=25, 
            C as C.c1=15
    ) as T
{code}



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