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https://issues.apache.org/jira/browse/DRILL-13?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13550679#comment-13550679
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Jacques Nadeau commented on DRILL-13:
-------------------------------------
To clarify the original description:
Input/Output (at least one)
Record Reading
Record Writing
Metadata:
capabilities interface (what can be pushed down, what types of schemas might be
available)
schema interface (optional, ability to provide schema about various data
sources)
statistics interface (optional, provide information about ,
data layout and ordering (optional, location of data e.g. which disks and
nodes, information about primary and secondary sorts... maybe this is an
extension of the schema interface.)
> Storage Engine: Define Java Interface
> -------------------------------------
>
> Key: DRILL-13
> URL: https://issues.apache.org/jira/browse/DRILL-13
> Project: Apache Drill
> Issue Type: Task
> Reporter: Jacques Nadeau
>
> We're going to need to define a storage engine API. At a minimum, we'll need
> to generate a Java one. We will probably need to also create a CPP one.
> This task is for the former. Things that are likely to be included in a the
> Java interface are: reader (scanner), writer, capabilities interface, schema
> interface, statistics interface, data layout and ordering
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