zeroshade commented on code in PR #932:
URL: https://github.com/apache/iceberg-go/pull/932#discussion_r3203132120
##########
table/internal/parquet_files.go:
##########
@@ -577,7 +577,23 @@ func (p parquetFormat) DataFileStatsFromMeta(meta
Metadata, statsCols map[int]St
panic(err)
}
- fieldID := colMapping[colChunk.PathInSchema().String()]
+ fieldID, ok :=
colMapping[colChunk.PathInSchema().String()]
+ if !ok {
+ // Variant sub-columns (metadata, value) have
no Iceberg field ID
+ // (spec: "must not be assigned field IDs").
Skip them only if the
+ // parent column is a variant field.
+ path := colChunk.PathInSchema()
+ if len(path) >= 2 {
+ parentPath :=
strings.Join(path[:len(path)-1], ".")
+ if parentID, hasParent :=
colMapping[parentPath]; hasParent {
+ if _, hasStats :=
statsCols[parentID]; !hasStats {
Review Comment:
agreed
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