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https://issues.apache.org/jira/browse/KYLIN-3552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong Li reassigned KYLIN-3552:
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Assignee: youcheng.zhang (was: Dong Li)
> Provide a sdk to support different data sources
> -----------------------------------------------
>
> Key: KYLIN-3552
> URL: https://issues.apache.org/jira/browse/KYLIN-3552
> Project: Kylin
> Issue Type: New Feature
> Components: Query Engine, RDBMS Source
> Reporter: youcheng.zhang
> Assignee: youcheng.zhang
> 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 different.
> 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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