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Example 1 with LoggingInsertType

use of org.dbflute.logic.replaceschema.loaddata.base.dataprop.DfLoadingControlProp.LoggingInsertType in project dbflute-core by dbflute.

the class DfDelimiterDataWriterImpl method doWriteData.

// -----------------------------------------------------
// Write Data
// ----------
protected void doWriteData(DfDelimiterDataResultInfo resultInfo, boolean forcedlySuppressBatch, int offsetRowCount) throws IOException {
    final String dataDirectory = Srl.substringLastFront(_filePath, "/");
    final LoggingInsertType loggingInsertType = getLoggingInsertType(dataDirectory);
    final String tableDbName = extractTableDbName();
    final Map<String, DfColumnMeta> columnMetaMap = getColumnMetaMap(tableDbName);
    if (columnMetaMap.isEmpty()) {
        throwTableNotFoundException(_filePath, tableDbName);
    }
    // process before handling table
    beforeHandlingTable(tableDbName, columnMetaMap);
    // fixedly
    final String lineSeparatorInValue = "\n";
    final File dataFile = new File(_filePath);
    final boolean canBatchUpdate = canBatchUpdate(forcedlySuppressBatch, dataDirectory);
    final StringBuilder lineStringSb = new StringBuilder();
    final StringBuilder preContinuedSb = new StringBuilder();
    final List<String> columnNameList = new ArrayList<String>();
    final List<String> columnValueList = new ArrayList<String>();
    List<String> valueListSnapshot = null;
    // not line on file, as registered record
    int rowNumber = 0;
    String executedSql = null;
    // may committed per limit size, for skip in retry
    int committedRowCount = 0;
    FileInputStream fis = null;
    InputStreamReader ir = null;
    BufferedReader br = null;
    Connection conn = null;
    PreparedStatement ps = null;
    try {
        fis = new FileInputStream(dataFile);
        ir = new InputStreamReader(fis, _encoding);
        br = new BufferedReader(ir);
        DfDelimiterDataFirstLineInfo firstLineInfo = null;
        int loopIndex = -1;
        // current registered size to prepared statement
        int addedBatchSize = 0;
        while (true) {
            ++loopIndex;
            {
                final String readLine = br.readLine();
                if (readLine == null) {
                    break;
                }
                clearAppend(lineStringSb, readLine);
            }
            // - - - - - - - - - -/
            if (loopIndex == 0) {
                firstLineInfo = analyzeFirstLine(lineStringSb.toString(), _delimiter);
                setupColumnNameList(columnNameList, dataDirectory, dataFile, tableDbName, firstLineInfo, columnMetaMap);
                continue;
            }
            // /- - - - - - - - - - - - - - -
            // analyze values in line strings
            // - - - - - - - - - -/
            // might be clear-appended
            filterLineStringIfNeeds(lineStringSb);
            {
                if (preContinuedSb.length() > 0) {
                    // done performance tuning, suppress incremental strings from many line separators by jflute (2018/03/02)
                    // it needs to change lineString, preContinueString to StringBuilder type...
                    // lineString = preContinueString + "\n" + lineString; (2021/01/21)
                    // and insert has array-copy so may not be fast
                    // lineStringSb.insert(0, "\n").insert(0, preContinuedSb); (2021/01/21)
                    // used only here so changing is no problem
                    preContinuedSb.append(lineSeparatorInValue).append(lineStringSb);
                    clearAppend(lineStringSb, preContinuedSb);
                }
                final DfDelimiterDataValueLineInfo valueLineInfo = analyzeValueLine(lineStringSb.toString(), _delimiter);
                // empty string resolved later
                final List<String> extractedList = valueLineInfo.getValueList();
                if (valueLineInfo.isContinueNextLine()) {
                    clearAppend(preContinuedSb, extractedList.remove(extractedList.size() - 1));
                    columnValueList.addAll(extractedList);
                    // keeping valueList that has previous values
                    continue;
                }
                columnValueList.addAll(extractedList);
            }
            // - - - - - - - - - -/
            if (isDifferentColumnValueCount(firstLineInfo, columnValueList)) {
                handleDifferentColumnValueCount(resultInfo, dataDirectory, tableDbName, firstLineInfo, columnValueList);
                // clear temporary variables
                clear(preContinuedSb);
                columnValueList.clear();
                valueListSnapshot = null;
                continue;
            }
            // *valid record is prepared here
            ++rowNumber;
            valueListSnapshot = columnValueList;
            if (rowNumber <= offsetRowCount) {
                // basically only when retry
                // clear temporary variables
                clear(preContinuedSb);
                columnValueList.clear();
                valueListSnapshot = null;
                // e.g. 1 ~ 100000 rows if 100000 already committed
                continue;
            }
            // /- - - - - - - - - - - - - - - -
            // process registration to database
            // - - - - - - - - - -/
            final DfDelimiterDataWriteSqlBuilder sqlBuilder = createSqlBuilder(resultInfo, tableDbName, columnMetaMap, columnNameList, columnValueList);
            if (conn == null) {
                conn = _dataSource.getConnection();
            }
            if (ps == null) {
                // for performance (suppress implicit transaction per SQL)
                beginTransaction(conn);
                executedSql = sqlBuilder.buildSql();
                ps = prepareStatement(conn, executedSql);
            }
            final Map<String, Object> columnValueMap = sqlBuilder.setupParameter();
            final Set<String> sysdateColumnSet = sqlBuilder.getSysdateColumnSet();
            resolveRelativeDate(dataDirectory, tableDbName, columnValueMap, columnMetaMap, sysdateColumnSet, rowNumber);
            handleLoggingInsert(tableDbName, columnValueMap, loggingInsertType, rowNumber);
            int bindCount = 1;
            for (Entry<String, Object> entry : columnValueMap.entrySet()) {
                final String columnName = entry.getKey();
                final Object obj = entry.getValue();
                // - - - - - - - - - -/
                if (processNull(dataDirectory, tableDbName, columnName, obj, ps, bindCount, columnMetaMap, rowNumber)) {
                    bindCount++;
                    continue;
                }
                // It registers the value to statement by the type.
                if (processNotNullNotString(dataDirectory, tableDbName, columnName, obj, conn, ps, bindCount, columnMetaMap, rowNumber)) {
                    bindCount++;
                    continue;
                }
                // /- - - - - - - - - - - - - - - - - -
                // process NotNull and StringExpression
                // - - - - - - - - - -/
                final String value = (String) obj;
                processNotNullString(dataDirectory, dataFile, tableDbName, columnName, value, conn, ps, bindCount, columnMetaMap, rowNumber);
                bindCount++;
            }
            if (canBatchUpdate) {
                // mainly here
                ps.addBatch();
            } else {
                ps.execute();
            }
            ++addedBatchSize;
            if (isBatchLimit(dataDirectory, addedBatchSize)) {
                // transaction scope
                if (canBatchUpdate) {
                    // mainly here
                    // this is supported in only delimiter data writer because delimiter data can treat large data
                    // (actually needed, GC overhead limit exceeded when 1000000 records to MySQL, 2021/01/20)
                    // to avoid OutOfMemory
                    ps.executeBatch();
                }
                commitTransaction(conn);
                committedRowCount = committedRowCount + addedBatchSize;
                addedBatchSize = 0;
                close(ps);
                ps = null;
            }
            // *one record is finished here
            // clear temporary variables
            // if an exception occurs from execute() or addBatch(),
            // this valueList is to be information for debug
            clear(preContinuedSb);
            columnValueList.clear();
        // keep here for retry
        // valueListSnapshot = null;
        }
        if (ps != null && addedBatchSize > 0) {
            if (canBatchUpdate) {
                // mainly here
                ps.executeBatch();
            }
            commitTransaction(conn);
            committedRowCount = committedRowCount + addedBatchSize;
        }
        noticeLoadedRowSize(tableDbName, rowNumber);
        resultInfo.registerLoadedMeta(dataDirectory, _filePath, rowNumber);
        checkImplicitClassification(dataFile, tableDbName, columnNameList);
    } catch (SQLException e) {
        // request retry if it needs (e.g. execution exception of batch insert)
        // the snapshot is used only when retry failure basically
        final DfJDBCException wrapped = DfJDBCException.voice(e);
        final String msg = buildFailureMessage(_filePath, tableDbName, executedSql, columnValueList, wrapped);
        throw new DfDelimiterDataRegistrationFailureException(msg, wrapped.getNextException()).retryIfNeeds(createRetryResource(canBatchUpdate, committedRowCount)).snapshotRow(createRowSnapshot(columnNameList, valueListSnapshot, rowNumber));
    } catch (RuntimeException e) {
        // unneeded snapshot at this side but just in case (or changing determination future)
        final String msg = buildFailureMessage(_filePath, tableDbName, executedSql, columnValueList, null);
        throw new DfDelimiterDataRegistrationFailureException(msg, e).snapshotRow(createRowSnapshot(columnNameList, valueListSnapshot, rowNumber));
    } finally {
        closeStream(fis, ir, br);
        try {
            rollbackTransaction(conn);
        } catch (SQLException continued) {
            _log.info("Failed to rollback the delimiter data transaction.", continued);
        }
        close(ps);
        close(conn);
        // process after (finally) handling table
        finallyHandlingTable(tableDbName, columnMetaMap);
    }
}
Also used : LoggingInsertType(org.dbflute.logic.replaceschema.loaddata.base.dataprop.DfLoadingControlProp.LoggingInsertType) SQLException(java.sql.SQLException) ArrayList(java.util.ArrayList) DfJDBCException(org.dbflute.exception.DfJDBCException) ArrayList(java.util.ArrayList) List(java.util.List) DfDelimiterDataFirstLineInfo(org.dbflute.logic.replaceschema.loaddata.delimiter.line.DfDelimiterDataFirstLineInfo) DfDelimiterDataRegistrationFailureException(org.dbflute.exception.DfDelimiterDataRegistrationFailureException) DfColumnMeta(org.dbflute.logic.jdbc.metadata.info.DfColumnMeta) InputStreamReader(java.io.InputStreamReader) Connection(java.sql.Connection) PreparedStatement(java.sql.PreparedStatement) FileInputStream(java.io.FileInputStream) DfDelimiterDataValueLineInfo(org.dbflute.logic.replaceschema.loaddata.delimiter.line.DfDelimiterDataValueLineInfo) BufferedReader(java.io.BufferedReader) File(java.io.File)

Example 2 with LoggingInsertType

use of org.dbflute.logic.replaceschema.loaddata.base.dataprop.DfLoadingControlProp.LoggingInsertType in project dbflute-core by dbflute.

the class DfXlsDataHandlingWriter method doWriteDataTable.

// -----------------------------------------------------
// DataTable
// ---------
protected int doWriteDataTable(DfXlsDataResource resource, File file, DfDataTable dataTable) {
    final String tableDbName = dataTable.getTableDbName();
    if (dataTable.getRowSize() == 0) {
        _log.info("*Not found row at the table: " + tableDbName);
        return 0;
    }
    final Map<String, DfColumnMeta> columnMetaMap = getColumnMetaMap(tableDbName);
    if (columnMetaMap.isEmpty()) {
        throwTableNotFoundException(file, tableDbName);
    }
    beforeHandlingTable(tableDbName, columnMetaMap);
    checkHeaderColumnIfNeeds(resource, file, dataTable, columnMetaMap);
    final List<String> columnNameList = extractColumnNameList(dataTable);
    final String dataDirectory = resource.getDataDirectory();
    final LoggingInsertType loggingInsertType = getLoggingInsertType(dataDirectory);
    final boolean suppressBatchUpdate = isMergedSuppressBatchUpdate(resource.getDataDirectory());
    Connection conn = null;
    PreparedStatement ps = null;
    String preparedSql = null;
    SQLException retryEx = null;
    DfDataRow retryDataRow = null;
    try {
        conn = _dataSource.getConnection();
        int loadedRowCount = 0;
        final int rowSize = dataTable.getRowSize();
        boolean existsEmptyRow = false;
        for (int i = 0; i < rowSize; i++) {
            final DfDataRow dataRow = dataTable.getRow(i);
            if (ps == null) {
                final MyCreatedState myCreatedState = new MyCreatedState();
                preparedSql = myCreatedState.buildPreparedSql(dataRow);
                ps = conn.prepareStatement(preparedSql);
            }
            if (doWriteDataRow(// basic resources
            resource, // basic resources
            file, // basic resources
            dataTable, // basic resources
            dataRow, // meta data
            columnMetaMap, // JDBC resources
            conn, // JDBC resources
            ps, loggingInsertType, suppressBatchUpdate)) {
                // option
                ++loadedRowCount;
                if (existsEmptyRow) {
                    final int emptyRowNumber = dataRow.getRowNumber() - 1;
                    throwXlsDataEmptyRowDataException(dataDirectory, file, dataTable, emptyRowNumber);
                }
            } else {
                existsEmptyRow = true;
            }
        }
        if (existsEmptyRow) {
            _log.info("...Skipping the terminal garbage row");
        }
        if (!suppressBatchUpdate) {
            boolean beginTransaction = false;
            boolean transactionClosed = false;
            try {
                // transaction to retry after
                conn.setAutoCommit(false);
                beginTransaction = true;
                ps.executeBatch();
                conn.commit();
                transactionClosed = true;
            } catch (SQLException e) {
                conn.rollback();
                transactionClosed = true;
                if (!(e instanceof BatchUpdateException)) {
                    throw e;
                }
                _log.info("...Retrying by suppressing batch update: " + tableDbName);
                final PreparedStatement retryPs = conn.prepareStatement(preparedSql);
                for (int i = 0; i < rowSize; i++) {
                    final DfDataRow dataRow = dataTable.getRow(i);
                    try {
                        doWriteDataRow(// basic resources
                        resource, // basic resources
                        file, // basic resources
                        dataTable, // basic resources
                        dataRow, // meta data
                        columnMetaMap, // JDBC resources
                        conn, // JDBC resources
                        retryPs, LoggingInsertType.NONE, // option (no logging and suppress batch)
                        true);
                    } catch (SQLException rowEx) {
                        retryEx = rowEx;
                        retryDataRow = dataRow;
                        break;
                    }
                }
                try {
                    retryPs.close();
                } catch (SQLException ignored) {
                }
                throw e;
            } finally {
                if (!transactionClosed) {
                    // for other exceptions
                    conn.rollback();
                }
                if (beginTransaction) {
                    conn.setAutoCommit(true);
                }
            }
        }
        noticeLoadedRowSize(tableDbName, loadedRowCount);
        checkImplicitClassification(file, tableDbName, columnNameList);
        return loadedRowCount;
    } catch (RuntimeException e) {
        handleWriteTableFailureException(dataDirectory, file, tableDbName, e);
        // unreachable
        return -1;
    } catch (SQLException e) {
        handleWriteTableSQLException(dataDirectory, file, dataTable, e, retryEx, retryDataRow, columnNameList);
        // unreachable
        return -1;
    } finally {
        closeResource(conn, ps);
        // process after (finally) handling table
        finallyHandlingTable(tableDbName, columnMetaMap);
    }
}
Also used : LoggingInsertType(org.dbflute.logic.replaceschema.loaddata.base.dataprop.DfLoadingControlProp.LoggingInsertType) DfColumnMeta(org.dbflute.logic.jdbc.metadata.info.DfColumnMeta) SQLException(java.sql.SQLException) Connection(java.sql.Connection) PreparedStatement(java.sql.PreparedStatement) DfDataRow(org.dbflute.helper.dataset.DfDataRow) BatchUpdateException(java.sql.BatchUpdateException)

Aggregations

Connection (java.sql.Connection)2 PreparedStatement (java.sql.PreparedStatement)2 SQLException (java.sql.SQLException)2 DfColumnMeta (org.dbflute.logic.jdbc.metadata.info.DfColumnMeta)2 LoggingInsertType (org.dbflute.logic.replaceschema.loaddata.base.dataprop.DfLoadingControlProp.LoggingInsertType)2 BufferedReader (java.io.BufferedReader)1 File (java.io.File)1 FileInputStream (java.io.FileInputStream)1 InputStreamReader (java.io.InputStreamReader)1 BatchUpdateException (java.sql.BatchUpdateException)1 ArrayList (java.util.ArrayList)1 List (java.util.List)1 DfDelimiterDataRegistrationFailureException (org.dbflute.exception.DfDelimiterDataRegistrationFailureException)1 DfJDBCException (org.dbflute.exception.DfJDBCException)1 DfDataRow (org.dbflute.helper.dataset.DfDataRow)1 DfDelimiterDataFirstLineInfo (org.dbflute.logic.replaceschema.loaddata.delimiter.line.DfDelimiterDataFirstLineInfo)1 DfDelimiterDataValueLineInfo (org.dbflute.logic.replaceschema.loaddata.delimiter.line.DfDelimiterDataValueLineInfo)1