nssalian commented on code in PR #2375:
URL: https://github.com/apache/iceberg-go/pull/2375#discussion_r4517048532


##########
table/internal/variant_bounds.go:
##########
@@ -267,9 +268,12 @@ func appendLiteralToVariant(b *variant.Builder, it 
iceberg.PrimitiveType, lit ic
        case iceberg.BooleanType:
                return b.AppendBool(lit.Any().(bool))
        case iceberg.Int32Type:
-               return b.AppendInt(int64(lit.Any().(int32)))
+               // AppendInt picks the smallest width; bounds must keep the 
column's width.

Review Comment:
   Fixed in this PR. INT(8)/INT(16) leaves keep their annotation width for both 
bounds, like `ParquetVariantUtil`. `TestShreddedVariantAddFilesNarrowIntBounds` 
imports 0..4 and checks int8/int16 on both ends. An out-of-range stat returns 
an error instead of being truncated.



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