aokolnychyi commented on code in PR #6371:
URL: https://github.com/apache/iceberg/pull/6371#discussion_r1041608874
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core/src/main/java/org/apache/iceberg/Partitioning.java:
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@@ -215,11 +225,12 @@ public Void alwaysNull(int fieldId, String sourceName,
int sourceId) {
* that have the same field ID but use a void transform under the hood. Such
fields cannot be part
* of the grouping key as void transforms always return null.
*
+ * @param schema a schema
* @param specs one or many specs
* @return the constructed grouping key type
*/
- public static StructType groupingKeyType(Collection<PartitionSpec> specs) {
- return buildPartitionProjectionType("grouping key", specs,
commonActiveFieldIds(specs));
+ public static StructType groupingKeyType(Schema schema,
Collection<PartitionSpec> specs) {
Review Comment:
We need to take into account the schema as we may project only particular
columns.
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