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QuestDB is High Performance Time Series Database
/*******************************************************************************
* ___ _ ____ ____
* / _ \ _ _ ___ ___| |_| _ \| __ )
* | | | | | | |/ _ \/ __| __| | | | _ \
* | |_| | |_| | __/\__ \ |_| |_| | |_) |
* \__\_\\__,_|\___||___/\__|____/|____/
*
* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2020 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;
import io.questdb.log.Log;
import io.questdb.log.LogFactory;
import io.questdb.std.*;
import io.questdb.std.str.NativeLPSZ;
import io.questdb.std.str.Path;
public class MetadataMigration400 {
public static final int BOOLEAN = 0;
public static final int BYTE = 1;
public static final int SHORT = 2;
public static final int CHAR = 3;
public static final int INT = 4;
public static final int LONG = 5;
public static final int FLOAT = 6;
public static final int DOUBLE = 7;
public static final int STRING = 8;
public static final int SYMBOL = 9;
public static final int BINARY = 10;
public static final int DATE = 11;
public static final int TIMESTAMP = 12;
public static final int LONG256 = 13;
public static final int PARAMETER = 14;
private static final IntList typeMapping = new IntList();
private static final Log LOG = LogFactory.getLog(MetadataMigration400.class);
static {
typeMapping.extendAndSet(BOOLEAN, ColumnType.BOOLEAN);
typeMapping.extendAndSet(BYTE, ColumnType.BYTE);
typeMapping.extendAndSet(SHORT, ColumnType.SHORT);
typeMapping.extendAndSet(INT, ColumnType.INT);
typeMapping.extendAndSet(LONG, ColumnType.LONG);
typeMapping.extendAndSet(FLOAT, ColumnType.FLOAT);
typeMapping.extendAndSet(DOUBLE, ColumnType.DOUBLE);
typeMapping.extendAndSet(STRING, ColumnType.STRING);
typeMapping.extendAndSet(SYMBOL, ColumnType.SYMBOL);
typeMapping.extendAndSet(BINARY, ColumnType.BINARY);
typeMapping.extendAndSet(DATE, ColumnType.DATE);
typeMapping.extendAndSet(PARAMETER, ColumnType.PARAMETER);
typeMapping.extendAndSet(TIMESTAMP, ColumnType.TIMESTAMP);
typeMapping.extendAndSet(CHAR, ColumnType.CHAR);
typeMapping.extendAndSet(LONG256, ColumnType.LONG256);
}
public static void convert(FilesFacade ff, Path path1, Path path2, AppendMemory appendMem, ReadOnlyMemory roMem) {
final int plen = path1.length();
path1.concat(TableUtils.META_FILE_NAME).$();
if (!ff.exists(path1)) {
return;
}
roMem.of(ff, path1, ff.getPageSize(), ff.length(path1));
if (roMem.getInt(12) == ColumnType.VERSION) {
LOG.error().$("already up to date ").$(path1).$();
return;
}
path1.trimTo(plen);
path1.concat("_meta.1").$();
appendMem.of(ff, path1, ff.getPageSize());
// column count
final int columnCount = roMem.getInt(0);
appendMem.putInt(columnCount);
appendMem.putInt(roMem.getInt(4));
appendMem.putInt(roMem.getInt(8));
appendMem.putInt(ColumnType.VERSION);
appendMem.jumpTo(TableUtils.META_OFFSET_COLUMN_TYPES);
long offset = TableUtils.META_OFFSET_COLUMN_TYPES;
for (int i = 0; i < columnCount; i++) {
appendMem.putByte((byte) typeMapping.getQuick(roMem.getByte(offset)));
long flags = 0;
if (roMem.getBool(offset + 1)) {
flags |= TableUtils.META_FLAG_BIT_INDEXED;
}
appendMem.putLong(flags);
appendMem.putInt(roMem.getInt(offset + 2));
appendMem.skip(TableUtils.META_COLUMN_DATA_RESERVED); // reserved
offset += TableUtils.META_COLUMN_DATA_SIZE;
}
for (int i = 0; i < columnCount; i++) {
CharSequence s = roMem.getStr(offset);
appendMem.putStr(s);
offset += s.length() * 2 + 4;
}
roMem.close();
appendMem.close();
// rename
path1.trimTo(plen).concat(TableUtils.META_FILE_NAME).$();
path2.trimTo(plen).concat("_meta.old").$();
if (!ff.rename(path1, path2)) {
LOG.error().$("could not rename ").$(path1).$(" -> ").$(path2).$();
return;
}
path1.trimTo(plen).concat("_meta.1").$();
path2.trimTo(plen).concat(TableUtils.META_FILE_NAME).$();
if (!ff.rename(path1, path2)) {
LOG.error().$("could not rename ").$(path1).$(" -> ").$(path2).$();
return;
}
LOG.info().$("updated ").$(path2).$();
}
public static void main(String[] args) {
try (
final ReadOnlyMemory roMem = new ReadOnlyMemory();
final AppendMemory appendMem = new AppendMemory();
final Path path1 = new Path();
final Path path2 = new Path()
) {
if (args.length < 1) {
LOG.info().$("usage: ").$(MetadataMigration400.class.getName()).$(" ").$();
return;
}
FilesFacade ff = FilesFacadeImpl.INSTANCE;
NativeLPSZ nativeLPSZ = new NativeLPSZ();
path1.of(args[0]).$();
ff.iterateDir(path1, (name, type) -> {
if (type == Files.DT_DIR) {
nativeLPSZ.of(name);
if (!Chars.equals(nativeLPSZ, '.') && !Chars.equals(nativeLPSZ, "..")) {
int plen = path1.length();
path1.chopZ().concat(nativeLPSZ);
path2.of(path1);
convert(ff, path1, path2, appendMem, roMem);
path1.trimTo(plen);
}
}
});
convert(
FilesFacadeImpl.INSTANCE,
path1,
path2,
appendMem,
roMem
);
}
}
}