kevinjqliu commented on code in PR #311:
URL: https://github.com/apache/iceberg-go/pull/311#discussion_r1970105364


##########
table/scanner_test.go:
##########
@@ -458,6 +458,23 @@ func (s *ScannerSuite) TestPartitionedTables() {
        }
 }
 
+func (s *ScannerSuite) TestNestedColumns() {
+       mem := memory.NewCheckedAllocator(memory.DefaultAllocator)
+       defer mem.AssertSize(s.T(), 0)
+
+       ident := catalog.ToIdentifier("default", "test_all_types")

Review Comment:
   is this the nested col?
   
https://github.com/apache/iceberg-go/blob/b1b432e7164b66a61a00b2a6ed312596661275b1/dev/provision.py#L202



##########
table/arrow_utils.go:
##########
@@ -589,9 +592,9 @@ func SchemaToArrowSchema(sc *iceberg.Schema, metadata 
map[string]string, include
 // TypeToArrowType converts a given iceberg type, into the equivalent Arrow 
data type.
 // For dealing with nested fields (List, Struct, Map) if includeFieldIDs is 
true, then
 // the child fields will contain a metadata key PARQUET:field_id set to the 
field id.
-func TypeToArrowType(t iceberg.Type, includeFieldIDs bool) (arrow.DataType, 
error) {
+func TypeToArrowType(t iceberg.Type, includeFieldIDs bool, useLargeTypes bool) 
(arrow.DataType, error) {

Review Comment:
   nit add `useLargeTypes` to docstring above



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