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QuestDB is high performance SQL time series database
/*******************************************************************************
* ___ _ ____ ____
* / _ \ _ _ ___ ___| |_| _ \| __ )
* | | | | | | |/ _ \/ __| __| | | | _ \
* | |_| | |_| | __/\__ \ |_| |_| | |_) |
* \__\_\\__,_|\___||___/\__|____/|____/
*
* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2024 QuestDB
*
* Licensed 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 io.questdb.cairo.wal;
import io.questdb.cairo.GeoHashes;
import io.questdb.cairo.VarcharTypeDriver;
import io.questdb.cairo.sql.Record;
import io.questdb.std.BinarySequence;
import io.questdb.std.Long128;
import io.questdb.std.Long256;
import io.questdb.std.Rows;
import io.questdb.std.str.CharSink;
import io.questdb.std.str.Sinkable;
import io.questdb.std.str.Utf8Sequence;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import static io.questdb.cairo.wal.WalReader.getPrimaryColumnIndex;
public class WalDataRecord implements Record, Sinkable {
private WalReader reader;
private long recordIndex = 0;
@Override
public BinarySequence getBin(int col) {
final long offset = recordIndex * Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getBin(reader.getColumn(absoluteColumnIndex + 1).getLong(offset));
}
@Override
public long getBinLen(int col) {
final long offset = recordIndex * Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getBinLen(reader.getColumn(absoluteColumnIndex + 1).getLong(offset));
}
@Override
public boolean getBool(int col) {
final long offset = recordIndex;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getBool(offset);
}
@Override
public byte getByte(int col) {
final long offset = recordIndex;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getByte(offset);
}
@Override
public char getChar(int col) {
final long offset = recordIndex * Character.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getChar(offset);
}
// only for tests
@SuppressWarnings("SameParameterValue")
public long getDesignatedTimestampRowId(int col) {
final long offset = 2 * recordIndex * Long.BYTES + Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getLong(offset);
}
@Override
public double getDouble(int col) {
final long offset = recordIndex * Double.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getDouble(offset);
}
@Override
public float getFloat(int col) {
final long offset = recordIndex * Float.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getFloat(offset);
}
@Override
public byte getGeoByte(int col) {
final long offset = recordIndex * Byte.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return offset < 0 ? GeoHashes.BYTE_NULL : reader.getColumn(absoluteColumnIndex).getByte(offset);
}
@Override
public int getGeoInt(int col) {
final long offset = recordIndex * Integer.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return offset < 0 ? GeoHashes.INT_NULL : reader.getColumn(absoluteColumnIndex).getInt(offset);
}
@Override
public long getGeoLong(int col) {
final long offset = recordIndex * Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return offset < 0 ? GeoHashes.NULL : reader.getColumn(absoluteColumnIndex).getLong(offset);
}
@Override
public short getGeoShort(int col) {
final long offset = recordIndex * Short.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return offset < 0 ? GeoHashes.SHORT_NULL : reader.getColumn(absoluteColumnIndex).getShort(offset);
}
@Override
public int getIPv4(int col) {
final long offset = recordIndex * Integer.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getIPv4(offset);
}
@Override
public int getInt(int col) {
final long offset = recordIndex * Integer.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getInt(offset);
}
@Override
public long getLong(int col) {
final long offset = recordIndex * Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getLong(offset);
}
@Override
public long getLong128Hi(int col) {
final long offset = recordIndex * Long128.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getLong(offset + Long.BYTES);
}
@Override
public long getLong128Lo(int col) {
final long offset = recordIndex * Long128.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getLong(offset);
}
@Override
public void getLong256(int col, CharSink sink) {
final long offset = recordIndex * Long256.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
reader.getColumn(absoluteColumnIndex).getLong256(offset, sink);
}
@Override
public Long256 getLong256A(int col) {
final long offset = recordIndex * Long256.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getLong256A(offset);
}
@Override
public Long256 getLong256B(int col) {
final long offset = recordIndex * Long256.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getLong256B(offset);
}
public long getRecordIndex() {
return recordIndex;
}
@Override
public long getRowId() {
return Rows.toRowID(0, recordIndex);
}
@Override
public short getShort(int col) {
final long offset = recordIndex * Short.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getShort(offset);
}
@Override
public CharSequence getStrA(int col) {
final long offset = recordIndex * Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getStrA(reader.getColumn(absoluteColumnIndex + 1).getLong(offset));
}
@Override
public CharSequence getStrB(int col) {
final long offset = recordIndex * Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getStrB(reader.getColumn(absoluteColumnIndex + 1).getLong(offset));
}
@Override
public int getStrLen(int col) {
final long offset = recordIndex * Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getStrLen(reader.getColumn(absoluteColumnIndex + 1).getLong(offset));
}
@Override
public CharSequence getSymA(int col) {
return reader.getSymbolValue(col, getInt(col));
}
@Override
public CharSequence getSymB(int col) {
return getSymA(col);
}
@Override
public long getTimestamp(int col) {
return col == reader.getTimestampIndex() ? getDesignatedTimestamp(col) : getLong(col);
}
@Override
public long getUpdateRowId() {
throw new UnsupportedOperationException("UPDATE is not supported in WAL");
}
@Override
public @Nullable Utf8Sequence getVarcharA(int col) {
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return VarcharTypeDriver.getSplitValue(
reader.getColumn(absoluteColumnIndex + 1),
reader.getColumn(absoluteColumnIndex),
recordIndex,
1
);
}
@Override
public @Nullable Utf8Sequence getVarcharB(int col) {
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return VarcharTypeDriver.getSplitValue(
reader.getColumn(absoluteColumnIndex + 1),
reader.getColumn(absoluteColumnIndex),
recordIndex,
2
);
}
@Override
public int getVarcharSize(int col) {
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return VarcharTypeDriver.getValueSize(
reader.getColumn(absoluteColumnIndex + 1),
recordIndex
);
}
public void incrementRecordIndex() {
recordIndex++;
}
public void jumpTo(long recordIndex) {
this.recordIndex = recordIndex;
}
public void of(WalReader reader) {
this.reader = reader;
jumpTo(-1);
}
@Override
public void toSink(@NotNull CharSink sink) {
sink.putAscii("WalReaderRecord [recordIndex=").put(recordIndex).putAscii(']');
}
private long getDesignatedTimestamp(int col) {
final long offset = 2 * recordIndex * Long.BYTES;
final int absoluteColumnIndex = getPrimaryColumnIndex(col);
return reader.getColumn(absoluteColumnIndex).getLong(offset);
}
}
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