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[jira] [Created] (ARROW-3498) [R] Make IPC APIs consistent

Wes McKinney created ARROW-3498:

             Summary: [R] Make IPC APIs consistent
                 Key: ARROW-3498
                 URL: https://issues.apache.org/jira/browse/ARROW-3498
             Project: Apache Arrow
          Issue Type: Bug
          Components: R
            Reporter: Wes McKinney
             Fix For: 0.12.0

There are many flavors of IPC functions:

* Read a complete IPC stream (where schema is included in the first message(s))
* Read an IPC "file"
* Read a schema only from a point in a buffer
* Read a record batch given a known schema and the memory address of an encapsulated IPC message

These are partly available in R now, but with names that aren't necessarily consistent. We should review each use case and normalize the API names

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