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org.apache.kyuubi.jdbc.hive.cli.ColumnBuffer Maven / Gradle / Ivy
/*
* 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.kyuubi.jdbc.hive.cli;
import org.apache.kyuubi.shade.com.google.common.primitives.*;
import java.nio.ByteBuffer;
import java.util.AbstractList;
import java.util.Arrays;
import java.util.BitSet;
import java.util.List;
import org.apache.kyuubi.shaded.hive.service.rpc.thrift.TColumn;
import org.apache.kyuubi.shaded.hive.service.rpc.thrift.TTypeId;
/** ColumnBuffer */
public class ColumnBuffer extends AbstractList {
private final TTypeId type;
private BitSet nulls;
private int size;
private boolean[] boolVars;
private byte[] byteVars;
private short[] shortVars;
private int[] intVars;
private long[] longVars;
private double[] doubleVars;
private List stringVars;
private List binaryVars;
public ColumnBuffer(TColumn colValues) {
if (colValues.isSetBoolVal()) {
type = TTypeId.BOOLEAN_TYPE;
nulls = toBitset(colValues.getBoolVal().getNulls());
boolVars = Booleans.toArray(colValues.getBoolVal().getValues());
size = boolVars.length;
} else if (colValues.isSetByteVal()) {
type = TTypeId.TINYINT_TYPE;
nulls = toBitset(colValues.getByteVal().getNulls());
byteVars = Bytes.toArray(colValues.getByteVal().getValues());
size = byteVars.length;
} else if (colValues.isSetI16Val()) {
type = TTypeId.SMALLINT_TYPE;
nulls = toBitset(colValues.getI16Val().getNulls());
shortVars = Shorts.toArray(colValues.getI16Val().getValues());
size = shortVars.length;
} else if (colValues.isSetI32Val()) {
type = TTypeId.INT_TYPE;
nulls = toBitset(colValues.getI32Val().getNulls());
intVars = Ints.toArray(colValues.getI32Val().getValues());
size = intVars.length;
} else if (colValues.isSetI64Val()) {
type = TTypeId.BIGINT_TYPE;
nulls = toBitset(colValues.getI64Val().getNulls());
longVars = Longs.toArray(colValues.getI64Val().getValues());
size = longVars.length;
} else if (colValues.isSetDoubleVal()) {
type = TTypeId.DOUBLE_TYPE;
nulls = toBitset(colValues.getDoubleVal().getNulls());
doubleVars = Doubles.toArray(colValues.getDoubleVal().getValues());
size = doubleVars.length;
} else if (colValues.isSetBinaryVal()) {
type = TTypeId.BINARY_TYPE;
nulls = toBitset(colValues.getBinaryVal().getNulls());
binaryVars = colValues.getBinaryVal().getValues();
size = binaryVars.size();
} else if (colValues.isSetStringVal()) {
type = TTypeId.STRING_TYPE;
nulls = toBitset(colValues.getStringVal().getNulls());
stringVars = colValues.getStringVal().getValues();
size = stringVars.size();
} else {
throw new IllegalStateException("invalid union object");
}
}
@SuppressWarnings("unchecked")
public ColumnBuffer(TTypeId type, BitSet nulls, Object values) {
this.type = type;
this.nulls = nulls;
if (type == TTypeId.BOOLEAN_TYPE) {
boolVars = (boolean[]) values;
size = boolVars.length;
} else if (type == TTypeId.TINYINT_TYPE) {
byteVars = (byte[]) values;
size = byteVars.length;
} else if (type == TTypeId.SMALLINT_TYPE) {
shortVars = (short[]) values;
size = shortVars.length;
} else if (type == TTypeId.INT_TYPE) {
intVars = (int[]) values;
size = intVars.length;
} else if (type == TTypeId.BIGINT_TYPE) {
longVars = (long[]) values;
size = longVars.length;
} else if (type == TTypeId.DOUBLE_TYPE || type == TTypeId.FLOAT_TYPE) {
doubleVars = (double[]) values;
size = doubleVars.length;
} else if (type == TTypeId.BINARY_TYPE) {
binaryVars = (List) values;
size = binaryVars.size();
} else if (type == TTypeId.STRING_TYPE) {
stringVars = (List) values;
size = stringVars.size();
} else {
throw new IllegalStateException("invalid union object");
}
}
private static final byte[] MASKS =
new byte[] {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, (byte) 0x80};
private static BitSet toBitset(byte[] nulls) {
BitSet bitset = new BitSet();
int bits = nulls.length * 8;
for (int i = 0; i < bits; i++) {
bitset.set(i, (nulls[i / 8] & MASKS[i % 8]) != 0);
}
return bitset;
}
/**
* Get a subset of this ColumnBuffer, starting from the 1st value.
*
* @param end index after the last value to include
*/
public ColumnBuffer extractSubset(int end) {
BitSet subNulls = nulls.get(0, end);
if (type == TTypeId.BOOLEAN_TYPE) {
ColumnBuffer subset = new ColumnBuffer(type, subNulls, Arrays.copyOfRange(boolVars, 0, end));
boolVars = Arrays.copyOfRange(boolVars, end, size);
nulls = nulls.get(end, size);
size = boolVars.length;
return subset;
}
if (type == TTypeId.TINYINT_TYPE) {
ColumnBuffer subset = new ColumnBuffer(type, subNulls, Arrays.copyOfRange(byteVars, 0, end));
byteVars = Arrays.copyOfRange(byteVars, end, size);
nulls = nulls.get(end, size);
size = byteVars.length;
return subset;
}
if (type == TTypeId.SMALLINT_TYPE) {
ColumnBuffer subset = new ColumnBuffer(type, subNulls, Arrays.copyOfRange(shortVars, 0, end));
shortVars = Arrays.copyOfRange(shortVars, end, size);
nulls = nulls.get(end, size);
size = shortVars.length;
return subset;
}
if (type == TTypeId.INT_TYPE) {
ColumnBuffer subset = new ColumnBuffer(type, subNulls, Arrays.copyOfRange(intVars, 0, end));
intVars = Arrays.copyOfRange(intVars, end, size);
nulls = nulls.get(end, size);
size = intVars.length;
return subset;
}
if (type == TTypeId.BIGINT_TYPE) {
ColumnBuffer subset = new ColumnBuffer(type, subNulls, Arrays.copyOfRange(longVars, 0, end));
longVars = Arrays.copyOfRange(longVars, end, size);
nulls = nulls.get(end, size);
size = longVars.length;
return subset;
}
if (type == TTypeId.DOUBLE_TYPE || type == TTypeId.FLOAT_TYPE) {
ColumnBuffer subset =
new ColumnBuffer(type, subNulls, Arrays.copyOfRange(doubleVars, 0, end));
doubleVars = Arrays.copyOfRange(doubleVars, end, size);
nulls = nulls.get(end, size);
size = doubleVars.length;
return subset;
}
if (type == TTypeId.BINARY_TYPE) {
ColumnBuffer subset = new ColumnBuffer(type, subNulls, binaryVars.subList(0, end));
binaryVars = binaryVars.subList(end, binaryVars.size());
nulls = nulls.get(end, size);
size = binaryVars.size();
return subset;
}
if (type == TTypeId.STRING_TYPE) {
ColumnBuffer subset = new ColumnBuffer(type, subNulls, stringVars.subList(0, end));
stringVars = stringVars.subList(end, stringVars.size());
nulls = nulls.get(end, size);
size = stringVars.size();
return subset;
}
throw new IllegalStateException("invalid union object");
}
public TTypeId getType() {
return type;
}
@Override
public Object get(int index) {
if (nulls.get(index)) {
return null;
}
switch (type) {
case BOOLEAN_TYPE:
return boolVars[index];
case TINYINT_TYPE:
return byteVars[index];
case SMALLINT_TYPE:
return shortVars[index];
case INT_TYPE:
return intVars[index];
case BIGINT_TYPE:
return longVars[index];
case FLOAT_TYPE:
case DOUBLE_TYPE:
return doubleVars[index];
case STRING_TYPE:
return stringVars.get(index);
case BINARY_TYPE:
return binaryVars.get(index).array();
default:
return null;
}
}
@Override
public int size() {
return size;
}
}
