pvary commented on code in PR #18338:
URL: https://github.com/apache/iceberg/pull/18338#discussion_r4513472449
##########
core/src/test/java/org/apache/iceberg/TestDeleteFiles.java:
##########
@@ -470,6 +471,50 @@ public void testDeleteWithCollision() {
assertThat(afterDeletePartitions).containsExactly(partitionOne);
}
+ @TestTemplate
+ public void
testDeleteFromRowFilterKeepsEqualityDeleteWithMisleadingNonKeyColumnStats() {
+ assumeThat(formatVersion).isIn(2, 3);
+
+ Table eqDeleteTable =
+ TestTables.create(
+ tableDir, "eq-delete-row-filter", SCHEMA,
PartitionSpec.unpartitioned(), formatVersion);
+
+ int idFieldId = eqDeleteTable.schema().findField("id").fieldId();
+ int dataFieldId = eqDeleteTable.schema().findField("data").fieldId();
+
+ DeleteFile eqDeletes =
+ FileMetadata.deleteFileBuilder(PartitionSpec.unpartitioned())
+ .ofEqualityDeletes(idFieldId)
+ .withPath("/path/to/eq-delete.parquet")
+ .withFileSizeInBytes(10)
+ .withRecordCount(1)
+ .withMetrics(
+ new Metrics(
+ 1L,
+ null, // no column sizes
+ ImmutableMap.of(idFieldId, 1L, dataFieldId, 1L), // value
counts
+ ImmutableMap.of(idFieldId, 0L, dataFieldId, 0L), // null
counts
+ null, // no nan value counts
+ ImmutableMap.of(
+ dataFieldId,
Conversions.toByteBuffer(Types.StringType.get(), "zzz")),
Review Comment:
nit: Maybe create a variable for
`Conversions.toByteBuffer(Types.StringType.get(), "zzz")`?
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