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From "Dong Li (JIRA)" <>
Subject [jira] [Assigned] (KYLIN-3552) Provide a sdk to support different data sources
Date Tue, 11 Sep 2018 12:21:00 GMT


Dong Li reassigned KYLIN-3552:

    Assignee: Dong Li

> Provide a sdk to support different data sources
> -----------------------------------------------
>                 Key: KYLIN-3552
>                 URL:
>             Project: Kylin
>          Issue Type: New Feature
>          Components: Query Engine, RDBMS Source
>            Reporter: youcheng.zhang
>            Assignee: Dong Li
>            Priority: Minor
>             Fix For: v2.6.0
> Kylin already supports JDBC source, but it takes much efforts to develop an implementation
to a new source engine, like supporting metadata sync, cube build and query pushdown. It’s
mainly because the SQL dialects and jdbc implementations between source engines are quite
> We propose to develop a data source sdk, which provides APIs to help developers handle
these dialect differences and easily implement an adaptor for one source engine. With this
SDK, users can achieve followings from a JDBC source:
>  # synchronize metadata and data from jdbc source.
>  # Build cube from jdbc source.
>  # query pushdown to jdbc source engine when cube is unmatched. 
> The SDK will define some interfaces of adaptors. To implement a new source, developers
only need to implement an adaptor for the source.
> To keep compatibly, we will keep the existing JDBC source module, and implement a new
JDBC source module as the caller of the SDK. Besides, we will also provide a pushdown implementation
class as the caller of SDK for pushdown scenarios.

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