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Dian Fu edited comment on CALCITE-1911 at 8/11/17 12:38 PM: ------------------------------------------------------------ Have updated the PR according to review comments. Have also added the following method in {{LogicalMatch}}. Although this is not related to this JIRA, but the change is very small and so just fix it here. {code} public RelNode accept(RelShuttle shuttle) { return shuttle.visit(this); } {code} was (Author: dian.fu): Have updated the PR according to review comments. Have also added the following method in {{LogicalMatch}}. Although this is not related to this JIRA, but the change is very small and so just fix it here. {quote} @Override public RelNode accept(RelShuttle shuttle) { return shuttle.visit(this); } {quote} > 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 > Labels: match > > 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} -- This message was sent by Atlassian JIRA (v6.4.14#64029)