aokolnychyi commented on a change in pull request #1955:
URL: https://github.com/apache/iceberg/pull/1955#discussion_r545709279
##########
File path:
spark3/src/main/java/org/apache/iceberg/spark/source/SparkScanBuilder.java
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@@ -131,28 +138,52 @@ public SparkScanBuilder caseSensitive(boolean
isCaseSensitive) {
@Override
public void pruneColumns(StructType requestedSchema) {
- this.requestedProjection = requestedSchema;
+ this.requestedProjection = new
StructType(Stream.of(requestedSchema.fields())
+ .filter(field -> MetadataColumns.nonMetadataColumn(field.name()))
+ .toArray(StructField[]::new));
+
+ Stream.of(requestedSchema.fields())
Review comment:
Are there any cases when `pruneColumns` is going to be called multiple
times? Should we worry about it at all?
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