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Test checkpoint filtering on table with multiple partition fields #20039

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Merged
raunaqmorarka merged 1 commit into from
Dec 6, 2023
Merged

Test checkpoint filtering on table with multiple partition fields #20039

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138 changes: 138 additions & 0 deletions ...java/io/trino/plugin/deltalake/transactionlog/checkpoint/TestCheckpointEntryIterator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.List;
import java.util.Map;
import java.util.Objects;
Expand Down Expand Up @@ -740,6 +741,143 @@ public void testSkipAddEntriesThroughPartitionPruning()
assertThat(addEntryIteratorWithRangePartitionFilter.getCompletedPositions().orElseThrow()).isEqualTo(3L);
}

@Test
public void testSkipAddEntriesThroughComposedPartitionPruning()
throws IOException
{
MetadataEntry metadataEntry = new MetadataEntry(
"metadataId",
"metadataName",
"metadataDescription",
new MetadataEntry.Format(
"metadataFormatProvider",
ImmutableMap.of()),
"{\"type\":\"struct\",\"fields\":" +
"[{\"name\":\"ts\",\"type\":\"timestamp\",\"nullable\":true,\"metadata\":{}}," +
"{\"name\":\"part_day\",\"type\":\"string\",\"nullable\":true,\"metadata\":{}}," +
"{\"name\":\"part_hour\",\"type\":\"string\",\"nullable\":true,\"metadata\":{}}]}",
ImmutableList.of(
"part_day",
"part_hour"),
ImmutableMap.of(),
1000);
ProtocolEntry protocolEntry = new ProtocolEntry(1, 1, Optional.empty(), Optional.empty());
LocalDateTime date = LocalDateTime.of(2023, 12, 1, 0, 0);
DateTimeFormatter dayFormatter = DateTimeFormatter.ofPattern("yyyyMMdd");
DateTimeFormatter hourFormatter = DateTimeFormatter.ofPattern("HH");
int numAddEntries = 100;
Set<AddFileEntry> addFileEntries = IntStream.rangeClosed(1, numAddEntries).mapToObj(index ->
new AddFileEntry(
"addFilePath",
ImmutableMap.of(
"part_day", date.plusHours(index).format(dayFormatter),
"part_hour", date.plusHours(index).format(hourFormatter)),
1000,
1001,
true,
Optional.of("{" +
"\"numRecords\":20," +
"\"minValues\":{" +
"\"ts\":\"1990-10-31T01:00:00.000Z\"" +
"}," +
"\"maxValues\":{" +
"\"ts\":\"1990-10-31T02:00:00.000Z\"" +
"}," +
"\"nullCount\":{" +
"\"ts\":1" +
"}}"),
Optional.empty(),
ImmutableMap.of(),
Optional.empty()))
.collect(toImmutableSet());

CheckpointEntries entries = new CheckpointEntries(
metadataEntry,
protocolEntry,
ImmutableSet.of(),
addFileEntries,
ImmutableSet.of());

CheckpointWriter writer = new CheckpointWriter(
TESTING_TYPE_MANAGER,
checkpointSchemaManager,
"test",
ParquetWriterOptions.builder() // approximately 2 rows per row group
.setMaxBlockSize(DataSize.ofBytes(128L))
.setMaxPageSize(DataSize.ofBytes(128L))
.build());

File targetFile = File.createTempFile("testSkipAddEntries-", ".checkpoint.parquet");
targetFile.deleteOnExit();

String targetPath = "file://" + targetFile.getAbsolutePath();
targetFile.delete(); // file must not exist when writer is called
writer.write(entries, createOutputFile(targetPath));

CheckpointEntryIterator metadataAndProtocolEntryIterator = createCheckpointEntryIterator(
URI.create(targetPath),
ImmutableSet.of(METADATA, PROTOCOL),
Optional.empty(),
Optional.empty(),
TupleDomain.all(),
Optional.empty());

DeltaLakeColumnHandle partitionDayField = new DeltaLakeColumnHandle(
"part_day",
VARCHAR,
OptionalInt.empty(),
"part_day",
VARCHAR,
REGULAR,
Optional.empty());
DeltaLakeColumnHandle partitionHourField = new DeltaLakeColumnHandle(
"part_hour",
VARCHAR,
OptionalInt.empty(),
"part_hour",
VARCHAR,
REGULAR,
Optional.empty());

CheckpointEntryIterator addEntryIterator = createCheckpointEntryIterator(
URI.create(targetPath),
ImmutableSet.of(ADD),
Optional.of(metadataEntry),
Optional.of(protocolEntry),
TupleDomain.all(),
Optional.of(alwaysTrue()));

CheckpointEntryIterator addEntryIteratorEqualityDayPartitionFilter = createCheckpointEntryIterator(
URI.create(targetPath),
ImmutableSet.of(ADD),
Optional.of(metadataEntry),
Optional.of(protocolEntry),
TupleDomain.withColumnDomains(ImmutableMap.of(partitionDayField, singleValue(VARCHAR, utf8Slice("20231202")))),
Optional.of(alwaysTrue()));

CheckpointEntryIterator addEntryIteratorWithDayAndHourEqualityPartitionFilter = createCheckpointEntryIterator(
URI.create(targetPath),
ImmutableSet.of(ADD),
Optional.of(metadataEntry),
Optional.of(protocolEntry),
TupleDomain.withColumnDomains(ImmutableMap.of(
partitionDayField, singleValue(VARCHAR, utf8Slice("20231202")),
partitionHourField, singleValue(VARCHAR, utf8Slice("10")))),
Optional.of(alwaysTrue()));

assertThat(Iterators.size(metadataAndProtocolEntryIterator)).isEqualTo(2);
assertThat(metadataAndProtocolEntryIterator.getCompletedPositions().orElseThrow()).isEqualTo(3L);

assertThat(Iterators.size(addEntryIterator)).isEqualTo(numAddEntries);
assertThat(addEntryIterator.getCompletedPositions().orElseThrow()).isEqualTo(101L);

assertThat(Iterators.size(addEntryIteratorEqualityDayPartitionFilter)).isEqualTo(24);
assertThat(addEntryIteratorEqualityDayPartitionFilter.getCompletedPositions().orElseThrow()).isEqualTo(24L);

assertThat(Iterators.size(addEntryIteratorWithDayAndHourEqualityPartitionFilter)).isEqualTo(1);
assertThat(addEntryIteratorWithDayAndHourEqualityPartitionFilter.getCompletedPositions().orElseThrow()).isEqualTo(1L);
}

@Test
public void testSkipRemoveEntries()
throws IOException
Expand Down