linxingyuan1102 commented on issue #459: Consider replacing TableOperations 
parameter in TableMetadataParser::read
URL: 
https://github.com/apache/incubator-iceberg/issues/459#issuecomment-530144955
 
 
   I think the work can follow these steps:
   1. Change the method signature of `ManifestReader::read` to let it accept a 
map from spec ID to partition spec.
   2. Decouple `ManifestGroup` and `BaseSnapshot` from `TableOperations`. We'll 
need to include a `specsById` (a map from spec ID to partition spec) as their 
fields.
   3. Decouple `TableMetadataParser` and `TableMetadata` from `TableOperations`.
   
   So I've created PR #467 which does the first step. Please LMK if it makes 
sense.

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