nastra commented on code in PR #17413:
URL: https://github.com/apache/iceberg/pull/17413#discussion_r3781812709
##########
core/src/test/java/org/apache/iceberg/StatsTestUtil.java:
##########
@@ -18,12 +18,80 @@
*/
package org.apache.iceberg;
+import java.util.List;
import org.apache.iceberg.types.Types;
import org.mockito.Mockito;
class StatsTestUtil {
+ private static final int FORMAT_VERSION_V4 = 4;
+
private StatsTestUtil() {}
+ static TrackedFile trackedFile(String location, long recordCount,
ContentStats stats) {
+ return new TrackedFileStruct(
+ null,
+ FileContent.DATA,
+ FORMAT_VERSION_V4,
+ location,
+ FileFormat.fromFileName(location),
+ recordCount,
+ 1024L,
+ 0,
+ null,
+ stats,
+ null,
+ null,
+ null,
+ null,
+ null,
+ null);
+ }
+
+ static ContentStats contentStats(Types.StructType statsType,
FieldStats<?>... fieldStats) {
+ ContentStatsStruct stats = new ContentStatsStruct(statsType);
+ for (FieldStats<?> field : fieldStats) {
+ stats.setStats(field.fieldId(), field);
+ }
+
+ return stats;
+ }
+
+ /** Returns the stats for a field, where a null metric is one that the
column does not track. */
+ static FieldStats<Object> fieldStats(
+ Types.StructType statsType,
+ int fieldId,
+ Object lower,
+ Object upper,
+ Long valueCount,
+ Long nullCount,
+ Long nanCount) {
+ Types.StructType type =
statsType.field(StatsUtil.toBaseId(fieldId)).type().asStructType();
+ FieldStatsStruct<Object> stats = new FieldStatsStruct<>(type);
+ set(stats, StatsUtil.LOWER_BOUND_NAME, lower);
+ set(stats, StatsUtil.UPPER_BOUND_NAME, upper);
+ set(stats, "value_count", valueCount);
+ set(stats, "null_value_count", nullCount);
+ set(stats, "nan_value_count", nanCount);
Review Comment:
makes sense, I've added a test object here
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