-
Notifications
You must be signed in to change notification settings - Fork 1k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Flink] Support hilbert sort for flink (#2854)
- Loading branch information
Showing
11 changed files
with
539 additions
and
11 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
307 changes: 307 additions & 0 deletions
307
paimon-core/src/main/java/org/apache/paimon/sort/hilbert/HilbertIndexer.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,307 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.apache.paimon.sort.hilbert; | ||
|
|
||
| import org.apache.paimon.data.BinaryString; | ||
| import org.apache.paimon.data.Decimal; | ||
| import org.apache.paimon.data.InternalRow; | ||
| import org.apache.paimon.data.Timestamp; | ||
| import org.apache.paimon.types.ArrayType; | ||
| import org.apache.paimon.types.BigIntType; | ||
| import org.apache.paimon.types.BinaryType; | ||
| import org.apache.paimon.types.BooleanType; | ||
| import org.apache.paimon.types.CharType; | ||
| import org.apache.paimon.types.DataField; | ||
| import org.apache.paimon.types.DataType; | ||
| import org.apache.paimon.types.DataTypeVisitor; | ||
| import org.apache.paimon.types.DateType; | ||
| import org.apache.paimon.types.DecimalType; | ||
| import org.apache.paimon.types.DoubleType; | ||
| import org.apache.paimon.types.FloatType; | ||
| import org.apache.paimon.types.IntType; | ||
| import org.apache.paimon.types.LocalZonedTimestampType; | ||
| import org.apache.paimon.types.MapType; | ||
| import org.apache.paimon.types.MultisetType; | ||
| import org.apache.paimon.types.RowType; | ||
| import org.apache.paimon.types.SmallIntType; | ||
| import org.apache.paimon.types.TimeType; | ||
| import org.apache.paimon.types.TimestampType; | ||
| import org.apache.paimon.types.TinyIntType; | ||
| import org.apache.paimon.types.VarBinaryType; | ||
| import org.apache.paimon.types.VarCharType; | ||
| import org.apache.paimon.utils.ConvertBinaryUtil; | ||
|
|
||
| import org.davidmoten.hilbert.HilbertCurve; | ||
|
|
||
| import java.io.Serializable; | ||
| import java.math.BigInteger; | ||
| import java.util.Arrays; | ||
| import java.util.LinkedHashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.function.Function; | ||
|
|
||
| import static org.apache.paimon.utils.Preconditions.checkArgument; | ||
|
|
||
| /** Hilbert indexer for responsibility to generate hilbert-index. */ | ||
| public class HilbertIndexer implements Serializable { | ||
|
|
||
| private static final long PRIMITIVE_EMPTY = Long.MAX_VALUE; | ||
| private static final int BITS_NUM = 63; | ||
|
|
||
| private final Set<RowProcessor> functionSet; | ||
| private final int[] fieldsIndex; | ||
|
|
||
| public HilbertIndexer(RowType rowType, List<String> orderColumns) { | ||
| checkArgument(orderColumns.size() > 1, "Hilbert sort needs at least two columns."); | ||
| List<String> fields = rowType.getFieldNames(); | ||
| fieldsIndex = new int[orderColumns.size()]; | ||
| for (int i = 0; i < fieldsIndex.length; i++) { | ||
| int index = fields.indexOf(orderColumns.get(i)); | ||
| if (index == -1) { | ||
| throw new IllegalArgumentException( | ||
| "Can't find column: " | ||
| + orderColumns.get(i) | ||
| + " in row type fields: " | ||
| + fields); | ||
| } | ||
| fieldsIndex[i] = index; | ||
| } | ||
| this.functionSet = constructFunctionMap(rowType.getFields()); | ||
| } | ||
|
|
||
| public void open() { | ||
| functionSet.forEach(RowProcessor::open); | ||
| } | ||
|
|
||
| public byte[] index(InternalRow row) { | ||
| Long[] columnLongs = new Long[fieldsIndex.length]; | ||
|
|
||
| int index = 0; | ||
| for (RowProcessor f : functionSet) { | ||
| columnLongs[index++] = f.hilbertValue(row); | ||
| } | ||
| return hilbertCurvePosBytes(columnLongs); | ||
| } | ||
|
|
||
| public Set<RowProcessor> constructFunctionMap(List<DataField> fields) { | ||
| Set<RowProcessor> hilbertFunctionSet = new LinkedHashSet<>(); | ||
|
|
||
| // Construct hilbertFunctionSet and fill dataTypes, rowFields | ||
| for (int index : fieldsIndex) { | ||
| DataField field = fields.get(index); | ||
| hilbertFunctionSet.add(hmapColumnToCalculator(field, index)); | ||
| } | ||
| return hilbertFunctionSet; | ||
| } | ||
|
|
||
| public static RowProcessor hmapColumnToCalculator(DataField field, int index) { | ||
| DataType type = field.type(); | ||
| return new RowProcessor(type.accept(new TypeVisitor(index))); | ||
| } | ||
|
|
||
| /** Type Visitor to generate function map from row column to hilbert-index. */ | ||
| public static class TypeVisitor implements DataTypeVisitor<HProcessFunction>, Serializable { | ||
|
|
||
| private final int fieldIndex; | ||
|
|
||
| public TypeVisitor(int index) { | ||
| this.fieldIndex = index; | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(CharType charType) { | ||
| return (row) -> { | ||
| if (row.isNullAt(fieldIndex)) { | ||
| return PRIMITIVE_EMPTY; | ||
| } else { | ||
| BinaryString binaryString = row.getString(fieldIndex); | ||
|
|
||
| return ConvertBinaryUtil.convertBytesToLong(binaryString.toBytes()); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(VarCharType varCharType) { | ||
| return (row) -> { | ||
| if (row.isNullAt(fieldIndex)) { | ||
| return PRIMITIVE_EMPTY; | ||
| } else { | ||
| BinaryString binaryString = row.getString(fieldIndex); | ||
|
|
||
| return ConvertBinaryUtil.convertBytesToLong(binaryString.toBytes()); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(BooleanType booleanType) { | ||
| return (row) -> { | ||
| if (row.isNullAt(fieldIndex)) { | ||
| return PRIMITIVE_EMPTY; | ||
| } | ||
| return row.getBoolean(fieldIndex) ? PRIMITIVE_EMPTY : 0; | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(BinaryType binaryType) { | ||
| return (row) -> | ||
| row.isNullAt(fieldIndex) | ||
| ? PRIMITIVE_EMPTY | ||
| : ConvertBinaryUtil.convertBytesToLong(row.getBinary(fieldIndex)); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(VarBinaryType varBinaryType) { | ||
| return (row) -> | ||
| row.isNullAt(fieldIndex) | ||
| ? PRIMITIVE_EMPTY | ||
| : ConvertBinaryUtil.convertBytesToLong(row.getBinary(fieldIndex)); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(DecimalType decimalType) { | ||
| final InternalRow.FieldGetter fieldGetter = | ||
| InternalRow.createFieldGetter(decimalType, fieldIndex); | ||
| return (row) -> { | ||
| Object o = fieldGetter.getFieldOrNull(row); | ||
| return o == null ? PRIMITIVE_EMPTY : ((Decimal) o).toBigDecimal().longValue(); | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(TinyIntType tinyIntType) { | ||
| return (row) -> | ||
| row.isNullAt(fieldIndex) | ||
| ? PRIMITIVE_EMPTY | ||
| : ConvertBinaryUtil.convertBytesToLong( | ||
| new byte[] {row.getByte(fieldIndex)}); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(SmallIntType smallIntType) { | ||
| return (row) -> | ||
| row.isNullAt(fieldIndex) ? PRIMITIVE_EMPTY : (long) row.getShort(fieldIndex); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(IntType intType) { | ||
| return (row) -> | ||
| row.isNullAt(fieldIndex) ? PRIMITIVE_EMPTY : (long) row.getInt(fieldIndex); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(BigIntType bigIntType) { | ||
| return (row) -> row.isNullAt(fieldIndex) ? PRIMITIVE_EMPTY : row.getLong(fieldIndex); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(FloatType floatType) { | ||
| return (row) -> | ||
| row.isNullAt(fieldIndex) | ||
| ? PRIMITIVE_EMPTY | ||
| : Double.doubleToLongBits(row.getFloat(fieldIndex)); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(DoubleType doubleType) { | ||
| return (row) -> | ||
| row.isNullAt(fieldIndex) | ||
| ? PRIMITIVE_EMPTY | ||
| : Double.doubleToLongBits(row.getDouble(fieldIndex)); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(DateType dateType) { | ||
| return (row) -> row.isNullAt(fieldIndex) ? PRIMITIVE_EMPTY : row.getLong(fieldIndex); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(TimeType timeType) { | ||
| return (row) -> row.isNullAt(fieldIndex) ? PRIMITIVE_EMPTY : row.getLong(fieldIndex); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(TimestampType timestampType) { | ||
| final InternalRow.FieldGetter fieldGetter = | ||
| InternalRow.createFieldGetter(timestampType, fieldIndex); | ||
| return (row) -> { | ||
| Object o = fieldGetter.getFieldOrNull(row); | ||
| return o == null ? PRIMITIVE_EMPTY : ((Timestamp) o).getMillisecond(); | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(LocalZonedTimestampType localZonedTimestampType) { | ||
| final InternalRow.FieldGetter fieldGetter = | ||
| InternalRow.createFieldGetter(localZonedTimestampType, fieldIndex); | ||
| return (row) -> { | ||
| Object o = fieldGetter.getFieldOrNull(row); | ||
| return o == null ? PRIMITIVE_EMPTY : ((Timestamp) o).getMillisecond(); | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(ArrayType arrayType) { | ||
| throw new RuntimeException("Unsupported type"); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(MultisetType multisetType) { | ||
| throw new RuntimeException("Unsupported type"); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(MapType mapType) { | ||
| throw new RuntimeException("Unsupported type"); | ||
| } | ||
|
|
||
| @Override | ||
| public HProcessFunction visit(RowType rowType) { | ||
| throw new RuntimeException("Unsupported type"); | ||
| } | ||
| } | ||
|
|
||
| /** Be used as converting row field record to devoted bytes. */ | ||
| public static class RowProcessor implements Serializable { | ||
| private final HProcessFunction process; | ||
|
|
||
| public RowProcessor(HProcessFunction process) { | ||
| this.process = process; | ||
| } | ||
|
|
||
| public void open() {} | ||
|
|
||
| public Long hilbertValue(InternalRow o) { | ||
| return process.apply(o); | ||
| } | ||
| } | ||
|
|
||
| private byte[] hilbertCurvePosBytes(Long[] points) { | ||
| long[] data = Arrays.stream(points).mapToLong(Long::longValue).toArray(); | ||
| HilbertCurve hilbertCurve = HilbertCurve.bits(BITS_NUM).dimensions(points.length); | ||
| BigInteger index = hilbertCurve.index(data); | ||
| return ConvertBinaryUtil.paddingToNByte(index.toByteArray(), BITS_NUM); | ||
| } | ||
|
|
||
| /** Process function interface. */ | ||
| public interface HProcessFunction extends Function<InternalRow, Long>, Serializable {} | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.