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304
paimon-common/src/main/java/org/apache/paimon/types/InternalRowToSizeVisitor.java
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| /* | ||
| * 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.types; | ||
|
|
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| import org.apache.paimon.data.DataGetters; | ||
| import org.apache.paimon.data.InternalArray; | ||
| import org.apache.paimon.data.InternalMap; | ||
| import org.apache.paimon.data.InternalRow; | ||
|
|
||
| import java.util.List; | ||
| import java.util.function.BiFunction; | ||
|
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| /** The class is to calculate the occupied space size based on Datatype. */ | ||
| public class InternalRowToSizeVisitor | ||
| implements DataTypeVisitor<BiFunction<DataGetters, Integer, Integer>> { | ||
|
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| public static final int NULL_SIZE = 0; | ||
|
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| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(CharType charType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return row.getString(index).toBytes().length; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(VarCharType varCharType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return row.getString(index).toBytes().length; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(BooleanType booleanType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return 1; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(BinaryType binaryType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return row.getBinary(index).length; | ||
| } | ||
| }; | ||
| } | ||
|
|
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| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(VarBinaryType varBinaryType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return row.getBinary(index).length; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(DecimalType decimalType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return row.getDecimal(index, decimalType.getPrecision(), decimalType.getScale()) | ||
| .toUnscaledBytes() | ||
| .length; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(TinyIntType tinyIntType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return 1; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(SmallIntType smallIntType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return 2; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(IntType intType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return 4; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(BigIntType bigIntType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return 8; | ||
| } | ||
| }; | ||
| } | ||
|
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||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(FloatType floatType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| int x = Float.floatToIntBits(row.getFloat(index)); | ||
| return 4; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(DoubleType doubleType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return 8; | ||
| } | ||
| }; | ||
| } | ||
|
|
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| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(DateType dateType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| int x = row.getInt(index); | ||
| return 4; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(TimeType timeType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return 4; | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(TimestampType timestampType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| return 8; | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit( | ||
| LocalZonedTimestampType localZonedTimestampType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| long x = | ||
| row.getTimestamp(index, localZonedTimestampType.getPrecision()) | ||
| .getMillisecond(); | ||
| return 8; | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(ArrayType arrayType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| BiFunction<DataGetters, Integer, Integer> function = | ||
| arrayType.getElementType().accept(this); | ||
| InternalArray internalArray = row.getArray(index); | ||
|
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| int size = 0; | ||
| for (int i = 0; i < internalArray.size(); i++) { | ||
| size += function.apply(internalArray, i); | ||
| } | ||
|
|
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| return size; | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(MultisetType multisetType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| BiFunction<DataGetters, Integer, Integer> function = | ||
| multisetType.getElementType().accept(this); | ||
| InternalMap map = row.getMap(index); | ||
|
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| int size = 0; | ||
| for (int i = 0; i < map.size(); i++) { | ||
| size += function.apply(map.keyArray(), i); | ||
| } | ||
|
|
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| return size; | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(MapType mapType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
|
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| BiFunction<DataGetters, Integer, Integer> keyFunction = | ||
| mapType.getKeyType().accept(this); | ||
| BiFunction<DataGetters, Integer, Integer> valueFunction = | ||
| mapType.getValueType().accept(this); | ||
|
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| InternalMap map = row.getMap(index); | ||
|
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| int size = 0; | ||
| for (int i = 0; i < map.size(); i++) { | ||
| size += keyFunction.apply(map.keyArray(), i); | ||
| } | ||
|
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| for (int i = 0; i < map.size(); i++) { | ||
| size += valueFunction.apply(map.valueArray(), i); | ||
| } | ||
|
|
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| return size; | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public BiFunction<DataGetters, Integer, Integer> visit(RowType rowType) { | ||
| return (row, index) -> { | ||
| if (row.isNullAt(index)) { | ||
| return NULL_SIZE; | ||
| } else { | ||
| int size = 0; | ||
| List<DataType> fieldTypes = rowType.getFieldTypes(); | ||
| InternalRow nestRow = row.getRow(index, rowType.getFieldCount()); | ||
| for (int i = 0; i < fieldTypes.size(); i++) { | ||
| DataType dataType = fieldTypes.get(i); | ||
| size += dataType.accept(this).apply(nestRow, i); | ||
| } | ||
| return size; | ||
| } | ||
| }; | ||
| } | ||
| } |
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