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From "Julian Hyde (JIRA)" <>
Subject [jira] [Commented] (BEAM-301) Add a Beam SQL DSL
Date Wed, 05 Apr 2017 22:46:41 GMT


Julian Hyde commented on BEAM-301:

A couple of recent developments in Calcite's streaming SQL:
* A proposed {{EMIT}} clause to match Beam's "triggering" (the term "trigger" has some unfortunate
connotations in the SQL world). Appears on slide 15 of [|my
"Streaming SQL" talk at FlinkForward].
* A {{MATCH_RECOGNIZE}} clause, inspired by Oracle, good for non-streaming and streaming queries,
but clearly good for "Complex Event Processing" (CEP) kinds of applications. Currently we
have parser and validator support but no implementation; see CALCITE-1570.

> Add a Beam SQL DSL
> ------------------
>                 Key: BEAM-301
>                 URL:
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-ideas
>            Reporter: Jean-Baptiste Onofré
>            Assignee: Xu Mingmin
> The SQL DSL helps developers to build a Beam pipeline from SQL statement in String directly.

> In Phase I, it starts to support INSERT/SELECT queries with FILTERs, one example SQL
as below:
> {code}
> {code}
> A design doc is available at

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