Examples with Path io.questdb.std.str.Path used on opensource projects

Example 81 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class Mig506 method migrate.

static void migrate(MigrationContext migrationContext) {
    // Update transaction file
    // Before there was 1 int per symbol and list of removed partitions
    // Now there is 2 ints per symbol and 4 longs per each non-removed partition
    MigrationActions.LOG.info().$("rebuilding tx file [table=").$(migrationContext.getTablePath()).I$();
    Path path = migrationContext.getTablePath();
    final FilesFacade ff = migrationContext.getFf();
    int pathDirLen = path.length();
    path.concat(TXN_FILE_NAME).$();
    if (!ff.exists(path)) {
        MigrationActions.LOG.error().$("tx file does not exist, nothing to migrate [path=").$(path).I$();
        return;
    }
    EngineMigration.backupFile(ff, path, migrationContext.getTablePath2(), TXN_FILE_NAME, 417);
    MigrationActions.LOG.debug().$("opening for rw [path=").$(path).I$();
    try (MemoryMARW txMem = migrationContext.createRwMemoryOf(ff, path.$())) {
        long tempMem8b = migrationContext.getTempMemory(8);
        MemoryARW txFileUpdate = migrationContext.getTempVirtualMem();
        txFileUpdate.jumpTo(0);
        int symbolColumnCount = txMem.getInt(MigrationActions.TX_OFFSET_MAP_WRITER_COUNT_505);
        for (int i = 0; i < symbolColumnCount; i++) {
            final int symbolCount = txMem.getInt(MigrationActions.prefixedBlockOffset(MigrationActions.TX_OFFSET_MAP_WRITER_COUNT_505, i + 1L, Integer.BYTES));
            txFileUpdate.putInt(symbolCount);
            txFileUpdate.putInt(symbolCount);
        }
        // Set partition segment size as 0 for now
        long partitionSegmentOffset = txFileUpdate.getAppendOffset();
        txFileUpdate.putInt(0);
        final int partitionBy = TableUtils.readIntOrFail(ff, migrationContext.getMetadataFd(), TX_STRUCT_UPDATE_1_META_OFFSET_PARTITION_BY, tempMem8b, path);
        if (partitionBy != PartitionBy.NONE) {
            path.trimTo(pathDirLen);
            writeAttachedPartitions(ff, tempMem8b, path, txMem, partitionBy, symbolColumnCount, txFileUpdate);
        }
        long updateSize = txFileUpdate.getAppendOffset();
        long partitionSegmentSize = updateSize - partitionSegmentOffset - Integer.BYTES;
        txFileUpdate.putInt(partitionSegmentOffset, (int) partitionSegmentSize);
        // Save txFileUpdate to tx file starting at LOCAL_TX_OFFSET_MAP_WRITER_COUNT + 4
        long writeOffset = MigrationActions.TX_OFFSET_MAP_WRITER_COUNT_505 + Integer.BYTES;
        txMem.jumpTo(writeOffset);
        for (int i = 0, size = 1; i < size && updateSize > 0; i++) {
            long writeSize = Math.min(updateSize, txFileUpdate.getPageSize());
            txMem.putBlockOfBytes(txFileUpdate.getPageAddress(i), writeSize);
            updateSize -= writeSize;
        }
        assert updateSize == 0;
    }
}

Example 82 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class Mig600 method migrate.

static void migrate(MigrationContext migrationContext) {
    MigrationActions.LOG.info().$("configuring default commit lag [table=").$(migrationContext.getTablePath()).I$();
    final Path path = migrationContext.getTablePath();
    final FilesFacade ff = migrationContext.getFf();
    final long tempMem = migrationContext.getTempMemory(8);
    final long fd = migrationContext.getMetadataFd();
    TableUtils.writeIntOrFail(ff, fd, META_OFFSET_MAX_UNCOMMITTED_ROWS, migrationContext.getConfiguration().getMaxUncommittedRows(), tempMem, path);
    TableUtils.writeLongOrFail(ff, fd, META_OFFSET_COMMIT_LAG, migrationContext.getConfiguration().getCommitLag(), tempMem, path);
}

Example 83 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class Mig607 method migrate.

static void migrate(MigrationContext migrationContext) {
    final FilesFacade ff = migrationContext.getFf();
    Path path = migrationContext.getTablePath();
    int plen = path.length();
    path.trimTo(plen).concat(META_FILE_NAME).$();
    long metaFileSize;
    long txFileSize;
    try (MemoryMARW metaMem = migrationContext.getRwMemory()) {
        metaMem.of(ff, path, ff.getPageSize(), ff.length(path), MemoryTag.NATIVE_DEFAULT);
        final int columnCount = metaMem.getInt(0);
        final int partitionBy = metaMem.getInt(4);
        final long columnNameOffset = MigrationActions.prefixedBlockOffset(MigrationActions.META_OFFSET_COLUMN_TYPES_606, columnCount, MigrationActions.META_COLUMN_DATA_SIZE_606);
        try (MemoryMARW txMem = new MemoryCMARWImpl(ff, path.trimTo(plen).concat(TXN_FILE_NAME).$(), ff.getPageSize(), ff.length(path), MemoryTag.NATIVE_DEFAULT)) {
            // this is a variable length file; we need to count of symbol maps before we get to the partition
            // table data
            final int symbolMapCount = txMem.getInt(MigrationActions.TX_OFFSET_MAP_WRITER_COUNT_505);
            final long partitionCountOffset = MigrationActions.TX_OFFSET_MAP_WRITER_COUNT_505 + 4 + symbolMapCount * 8L;
            int partitionCount = txMem.getInt(partitionCountOffset) / Long.BYTES / LONGS_PER_TX_ATTACHED_PARTITION;
            final long transientRowCount = txMem.getLong(TX_OFFSET_TRANSIENT_ROW_COUNT);
            if (partitionBy != PartitionBy.NONE) {
                for (int partitionIndex = 0; partitionIndex < partitionCount; partitionIndex++) {
                    final long partitionDataOffset = partitionCountOffset + Integer.BYTES + partitionIndex * 8L * LONGS_PER_TX_ATTACHED_PARTITION;
                    setPathForPartition(path.trimTo(plen), partitionBy, txMem.getLong(partitionDataOffset), false);
                    // the row count may not be stored in _txn file for the last partition
                    // we need to use transient row count instead
                    long rowCount = partitionIndex < partitionCount - 1 ? txMem.getLong(partitionDataOffset + Long.BYTES) : transientRowCount;
                    long txSuffix = txMem.getLong(MigrationActions.prefixedBlockOffset(partitionDataOffset, 2, Long.BYTES));
                    if (txSuffix > -1) {
                        txnPartition(path, txSuffix);
                    }
                    migrate(ff, path, migrationContext, metaMem, columnCount, rowCount, columnNameOffset);
                }
            } else {
                path.trimTo(plen).concat(DEFAULT_PARTITION_NAME);
                migrate(ff, path, migrationContext, metaMem, columnCount, transientRowCount, columnNameOffset);
            }
            // update symbol maps
            long tmpMem = migrationContext.getTempMemory();
            int denseSymbolCount = 0;
            long currentColumnNameOffset = columnNameOffset;
            for (int i = 0; i < columnCount; i++) {
                final CharSequence columnName = metaMem.getStr(currentColumnNameOffset);
                currentColumnNameOffset += Vm.getStorageLength(columnName.length());
                if (ColumnType.tagOf(metaMem.getInt(MigrationActions.prefixedBlockOffset(MigrationActions.META_OFFSET_COLUMN_TYPES_606, i, MigrationActions.META_COLUMN_DATA_SIZE_606))) == ColumnType.SYMBOL) {
                    final int symbolCount = txMem.getInt(MigrationActions.TX_OFFSET_MAP_WRITER_COUNT_505 + 8 + denseSymbolCount * 8L);
                    final long offset = MigrationActions.prefixedBlockOffset(SymbolMapWriter.HEADER_SIZE, symbolCount, 8L);
                    SymbolMapWriter.offsetFileName(path.trimTo(plen), columnName);
                    long fd = TableUtils.openRW(ff, path, MigrationActions.LOG);
                    try {
                        long fileLen = ff.length(fd);
                        if (symbolCount > 0) {
                            if (fileLen < offset) {
                                MigrationActions.LOG.error().$("file is too short [path=").$(path).I$();
                            } else {
                                TableUtils.allocateDiskSpace(ff, fd, offset + 8);
                                long dataOffset = TableUtils.readLongOrFail(ff, fd, offset - 8L, tmpMem, path);
                                // string length
                                SymbolMapWriter.charFileName(path.trimTo(plen), columnName);
                                long fd2 = TableUtils.openRO(ff, path, MigrationActions.LOG);
                                try {
                                    long len = TableUtils.readIntOrFail(ff, fd2, dataOffset, tmpMem, path);
                                    if (len == -1) {
                                        dataOffset += 4;
                                    } else {
                                        dataOffset += 4 + len * 2L;
                                    }
                                    TableUtils.writeLongOrFail(ff, fd, offset, dataOffset, tmpMem, path);
                                } finally {
                                    ff.close(fd2);
                                }
                            }
                        }
                    } finally {
                        Vm.bestEffortClose(ff, MigrationActions.LOG, fd, true, offset + 8);
                    }
                    denseSymbolCount++;
                }
            }
            txFileSize = txMem.getAppendOffset();
        }
        metaFileSize = metaMem.getAppendOffset();
    }
    // This migration when written originally used implementation of MemoryMARW which truncated files to size on close
    // MemoryMARW now truncate to page size. To test old migrations here we simulate the migration as it is originally released
    // So trim TX and META files to their sizes
    path.trimTo(plen).concat(META_FILE_NAME).$();
    trimFile(ff, path, metaFileSize);
    path.trimTo(plen).concat(TXN_FILE_NAME).$();
    trimFile(ff, path, txFileSize);
}

Example 84 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class TableReader method reshuffleColumns.

private void reshuffleColumns(int columnCount, long pTransitionIndex) {
    final long pIndexBase = pTransitionIndex + 8;
    final long pState = pIndexBase + columnCount * 8L;
    for (int partitionIndex = 0; partitionIndex < partitionCount; partitionIndex++) {
        int base = getColumnBase(partitionIndex);
        try {
            final Path path = pathGenPartitioned(partitionIndex).$();
            final long partitionRowCount = openPartitionInfo.getQuick(partitionIndex * PARTITIONS_SLOT_SIZE + PARTITIONS_SLOT_OFFSET_SIZE);
            Vect.memset(pState, columnCount, 0);
            for (int i = 0; i < columnCount; i++) {
                if (TableUtils.isEntryToBeProcessed(pState, i)) {
                    final int copyFrom = Unsafe.getUnsafe().getInt(pIndexBase + i * 8L) - 1;
                    if (copyFrom == i) {
                        // It appears that column hasn't changed its position. There are three possibilities here:
                        // 1. Column has been deleted and re-added by the same name. We must check if file
                        // descriptor is still valid. If it isn't, reload the column from disk
                        // 2. Column has been forced out of the reader via closeColumnForRemove(). This is required
                        // on Windows before column can be deleted. In this case we must check for marker
                        // instance and the column from disk
                        // 3. Column hasn't been altered and we can skip to next column.
                        MemoryMR col = columns.getQuick(getPrimaryColumnIndex(base, i));
                        if ((col instanceof MemoryCMRImpl && col.isDeleted()) || col instanceof NullColumn) {
                            reloadColumnAt(path, columns, columnTops, bitmapIndexes, base, i, partitionRowCount);
                        }
                        continue;
                    }
                    if (copyFrom > -1) {
                        fetchColumnsFrom(base, copyFrom);
                        copyColumnsTo(this.columns, this.columnTops, this.bitmapIndexes, base, i, partitionRowCount);
                        int copyTo = Unsafe.getUnsafe().getInt(pIndexBase + i * 8L + 4) - 1;
                        while (copyTo > -1 && TableUtils.isEntryToBeProcessed(pState, copyTo)) {
                            copyColumnsTo(this.columns, this.columnTops, this.bitmapIndexes, base, copyTo, partitionRowCount);
                            copyTo = Unsafe.getUnsafe().getInt(pIndexBase + (copyTo - 1) * 8L + 4);
                        }
                        Misc.free(tempCopyStruct.mem1);
                        Misc.free(tempCopyStruct.mem2);
                        Misc.free(tempCopyStruct.backwardReader);
                        Misc.free(tempCopyStruct.forwardReader);
                    } else {
                        // new instance
                        reloadColumnAt(path, columns, columnTops, bitmapIndexes, base, i, partitionRowCount);
                    }
                }
            }
            for (int i = columnCount; i < this.columnCount; i++) {
                int index = getPrimaryColumnIndex(base, i);
                Misc.free(columns.getQuick(index));
                Misc.free(columns.getQuick(index + 1));
            }
        } finally {
            path.trimTo(rootLen);
        }
    }
}

Example 85 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class TableReader method createBitmapIndexReaderAt.

private BitmapIndexReader createBitmapIndexReaderAt(int globalIndex, int columnBase, int columnIndex, int direction, long txn) {
    BitmapIndexReader reader;
    if (!metadata.isColumnIndexed(columnIndex)) {
        throw CairoException.instance(0).put("Not indexed: ").put(metadata.getColumnName(columnIndex));
    }
    MemoryR col = columns.getQuick(globalIndex);
    if (col instanceof NullColumn) {
        if (direction == BitmapIndexReader.DIR_BACKWARD) {
            reader = new BitmapIndexBwdNullReader();
            bitmapIndexes.setQuick(globalIndex, reader);
        } else {
            reader = new BitmapIndexFwdNullReader();
            bitmapIndexes.setQuick(globalIndex + 1, reader);
        }
    } else {
        Path path = pathGenPartitioned(getPartitionIndex(columnBase));
        try {
            if (direction == BitmapIndexReader.DIR_BACKWARD) {
                reader = new BitmapIndexBwdReader(configuration, path, metadata.getColumnName(columnIndex), getColumnTop(columnBase, columnIndex), txn);
                bitmapIndexes.setQuick(globalIndex, reader);
            } else {
                reader = new BitmapIndexFwdReader(configuration, path, metadata.getColumnName(columnIndex), getColumnTop(columnBase, columnIndex), txn);
                bitmapIndexes.setQuick(globalIndex + 1, reader);
            }
        } finally {
            path.trimTo(rootLen);
        }
    }
    return reader;
}