mattfaltyn opened a new pull request, #1558:
URL: https://github.com/apache/iceberg-go/pull/1558

   ## Summary
   
   - evaluate read predicates against an evolved column's `InitialDefault` when 
the column is absent from an older file schema
   - preserve the existing null behavior for missing columns without a non-null 
initial default
   - cover constant translation and the end-to-end Arrow scan path, including 
metadata-encoded default values
   
   Fixes #1557.
   
   ## Testing
   
   - `go test ./...`
   - `go test -race ./codec/... ./table/...`
   - `golangci-lint run --timeout=10m` (v2.11.4)
   - `GOOS=linux GOARCH=s390x CGO_ENABLED=0 go build ./...`
   - `go test . -run '^TestTranslateColumnNamesMissingFieldInitialDefault$' 
-count=1 -v`
   - `go test ./table -run '^TestArrowScanFiltersMissingColumnInitialDefault$' 
-count=1 -v`
   


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