rdsr opened a new issue #528: Infer name mapping from expected schema
URL: https://github.com/apache/incubator-iceberg/issues/528
 
 
   We can infer name mapping in certain scenarios.  As per @rdblue 
   > 1. If there is a name mapping in table metadata, pass it in
   > 1. Otherwise, if the incoming schema has no field IDs, infer a mapping 
from the current schema and use it
   > 1. Otherwise the schema has at least one column ID, so no inferred mapping 
should be used

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