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[Fix][Connector-V2] Fix CSV String type write type (apache#8499)
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176 changes: 176 additions & 0 deletions
176
...ain/java/org/apache/seatunnel/connectors/seatunnel/file/sink/writer/CsvWriteStrategy.java
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| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.seatunnel.connectors.seatunnel.file.sink.writer; | ||
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|
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| import org.apache.seatunnel.api.serialization.SerializationSchema; | ||
| import org.apache.seatunnel.api.table.catalog.CatalogTable; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelRow; | ||
| import org.apache.seatunnel.common.exception.CommonError; | ||
| import org.apache.seatunnel.common.exception.CommonErrorCodeDeprecated; | ||
| import org.apache.seatunnel.common.utils.DateTimeUtils; | ||
| import org.apache.seatunnel.common.utils.DateUtils; | ||
| import org.apache.seatunnel.common.utils.EncodingUtils; | ||
| import org.apache.seatunnel.common.utils.TimeUtils; | ||
| import org.apache.seatunnel.connectors.seatunnel.file.config.FileFormat; | ||
| import org.apache.seatunnel.connectors.seatunnel.file.exception.FileConnectorException; | ||
| import org.apache.seatunnel.connectors.seatunnel.file.sink.config.FileSinkConfig; | ||
| import org.apache.seatunnel.format.csv.CsvSerializationSchema; | ||
|
|
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| import org.apache.hadoop.fs.FSDataOutputStream; | ||
|
|
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| import io.airlift.compress.lzo.LzopCodec; | ||
| import lombok.NonNull; | ||
|
|
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| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import java.nio.charset.Charset; | ||
| import java.util.HashMap; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.Map; | ||
|
|
||
| public class CsvWriteStrategy extends AbstractWriteStrategy<FSDataOutputStream> { | ||
| private final LinkedHashMap<String, FSDataOutputStream> beingWrittenOutputStream; | ||
| private final Map<String, Boolean> isFirstWrite; | ||
| private final String fieldDelimiter; | ||
| private final String rowDelimiter; | ||
| private final DateUtils.Formatter dateFormat; | ||
| private final DateTimeUtils.Formatter dateTimeFormat; | ||
| private final TimeUtils.Formatter timeFormat; | ||
| private final FileFormat fileFormat; | ||
| private final Boolean enableHeaderWriter; | ||
| private final Charset charset; | ||
| private SerializationSchema serializationSchema; | ||
|
|
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| public CsvWriteStrategy(FileSinkConfig fileSinkConfig) { | ||
| super(fileSinkConfig); | ||
| this.beingWrittenOutputStream = new LinkedHashMap<>(); | ||
| this.isFirstWrite = new HashMap<>(); | ||
| this.fieldDelimiter = fileSinkConfig.getFieldDelimiter(); | ||
| this.rowDelimiter = fileSinkConfig.getRowDelimiter(); | ||
| this.dateFormat = fileSinkConfig.getDateFormat(); | ||
| this.dateTimeFormat = fileSinkConfig.getDatetimeFormat(); | ||
| this.timeFormat = fileSinkConfig.getTimeFormat(); | ||
| this.fileFormat = fileSinkConfig.getFileFormat(); | ||
| this.enableHeaderWriter = fileSinkConfig.getEnableHeaderWriter(); | ||
| this.charset = EncodingUtils.tryParseCharset(fileSinkConfig.getEncoding()); | ||
| } | ||
|
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| @Override | ||
| public void setCatalogTable(CatalogTable catalogTable) { | ||
| super.setCatalogTable(catalogTable); | ||
| this.serializationSchema = | ||
| CsvSerializationSchema.builder() | ||
| .seaTunnelRowType( | ||
| buildSchemaWithRowType( | ||
| catalogTable.getSeaTunnelRowType(), sinkColumnsIndexInRow)) | ||
| .delimiter(fieldDelimiter) | ||
| .dateFormatter(dateFormat) | ||
| .dateTimeFormatter(dateTimeFormat) | ||
| .timeFormatter(timeFormat) | ||
| .charset(charset) | ||
| .build(); | ||
| } | ||
|
|
||
| @Override | ||
| public void write(@NonNull SeaTunnelRow seaTunnelRow) { | ||
| super.write(seaTunnelRow); | ||
| String filePath = getOrCreateFilePathBeingWritten(seaTunnelRow); | ||
| FSDataOutputStream fsDataOutputStream = getOrCreateOutputStream(filePath); | ||
| try { | ||
| if (isFirstWrite.get(filePath)) { | ||
| isFirstWrite.put(filePath, false); | ||
| } else { | ||
| fsDataOutputStream.write(rowDelimiter.getBytes(charset)); | ||
| } | ||
| fsDataOutputStream.write( | ||
| serializationSchema.serialize( | ||
| seaTunnelRow.copy( | ||
| sinkColumnsIndexInRow.stream() | ||
| .mapToInt(Integer::intValue) | ||
| .toArray()))); | ||
| } catch (IOException e) { | ||
| throw CommonError.fileOperationFailed("CsvFile", "write", filePath, e); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void finishAndCloseFile() { | ||
| beingWrittenOutputStream.forEach( | ||
| (key, value) -> { | ||
| try { | ||
| value.flush(); | ||
| } catch (IOException e) { | ||
| throw new FileConnectorException( | ||
| CommonErrorCodeDeprecated.FLUSH_DATA_FAILED, | ||
| String.format("Flush data to this file [%s] failed", key), | ||
| e); | ||
| } finally { | ||
| try { | ||
| value.close(); | ||
| } catch (IOException e) { | ||
| log.error("error when close output stream {}", key, e); | ||
| } | ||
| } | ||
| needMoveFiles.put(key, getTargetLocation(key)); | ||
| }); | ||
| beingWrittenOutputStream.clear(); | ||
| isFirstWrite.clear(); | ||
| } | ||
|
|
||
| @Override | ||
| public FSDataOutputStream getOrCreateOutputStream(@NonNull String filePath) { | ||
| FSDataOutputStream fsDataOutputStream = beingWrittenOutputStream.get(filePath); | ||
| if (fsDataOutputStream == null) { | ||
| try { | ||
| switch (compressFormat) { | ||
| case LZO: | ||
| LzopCodec lzo = new LzopCodec(); | ||
| OutputStream out = | ||
| lzo.createOutputStream( | ||
| hadoopFileSystemProxy.getOutputStream(filePath)); | ||
| fsDataOutputStream = new FSDataOutputStream(out, null); | ||
| enableWriteHeader(fsDataOutputStream); | ||
| break; | ||
| case NONE: | ||
| fsDataOutputStream = hadoopFileSystemProxy.getOutputStream(filePath); | ||
| enableWriteHeader(fsDataOutputStream); | ||
| break; | ||
| default: | ||
| log.warn( | ||
| "Csv file does not support this compress type: {}", | ||
| compressFormat.getCompressCodec()); | ||
| fsDataOutputStream = hadoopFileSystemProxy.getOutputStream(filePath); | ||
| enableWriteHeader(fsDataOutputStream); | ||
| break; | ||
| } | ||
| beingWrittenOutputStream.put(filePath, fsDataOutputStream); | ||
| isFirstWrite.put(filePath, true); | ||
| } catch (IOException e) { | ||
| throw CommonError.fileOperationFailed("CsvFile", "open", filePath, e); | ||
| } | ||
| } | ||
| return fsDataOutputStream; | ||
| } | ||
|
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| private void enableWriteHeader(FSDataOutputStream fsDataOutputStream) throws IOException { | ||
| if (enableHeaderWriter) { | ||
| fsDataOutputStream.write(String.join(",", seaTunnelRowType.getFieldNames()).getBytes()); | ||
| fsDataOutputStream.write(rowDelimiter.getBytes()); | ||
| } | ||
| } | ||
| } |
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