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[Feature] support LZO compress on File Read #5083

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Oct 16, 2023
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11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/CosFile.md
Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,7 @@ Read all the data in a split in a pollNext call. What splits are read will be sa
| common-options | | no | - |
| sheet_name | string | no | - |
| file_filter_pattern | string | no | - |
| compress_codec | string | no | none |

### path [string]

Expand Down Expand Up @@ -252,6 +253,16 @@ Reader the sheet of the workbook,Only used when file_format is excel.

Filter pattern, which used for filtering files.

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

## Example

```hocon
Expand Down
11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/FtpFile.md
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ If you use SeaTunnel Engine, It automatically integrated the hadoop jar when you
| common-options | | no | - |
| sheet_name | string | no | - |
| file_filter_pattern | string | no | - |
| compress_codec | string | no | none |

### host [string]

Expand Down Expand Up @@ -228,6 +229,16 @@ Source plugin common parameters, please refer to [Source Common Options](common-

Reader the sheet of the workbook,Only used when file_format_type is excel.

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

## Example

```hocon
Expand Down
11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/HdfsFile.md
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,17 @@ Read data from hdfs file system.
| schema | config | no | - | the schema fields of upstream data |
| common-options | | no | - | Source plugin common parameters, please refer to [Source Common Options](common-options.md) for details. |
| sheet_name | string | no | - | Reader the sheet of the workbook,Only used when file_format is excel. |
| compress_codec | string | no | none | The compress codec of files |

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

### Tips

Expand Down
11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/Hive.md
Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ Read all the data in a split in a pollNext call. What splits are read will be sa
| read_partitions | list | no | - |
| read_columns | list | no | - |
| abort_drop_partition_metadata | boolean | no | true |
| compress_codec | string | no | none |
| common-options | | no | - |

### table_name [string]
Expand Down Expand Up @@ -85,6 +86,16 @@ The read column list of the data source, user can use it to implement field proj

Flag to decide whether to drop partition metadata from Hive Metastore during an abort operation. Note: this only affects the metadata in the metastore, the data in the partition will always be deleted(data generated during the synchronization process).

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

### common options

Source plugin common parameters, please refer to [Source Common Options](common-options.md) for details
Expand Down
11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/LocalFile.md
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ Read all the data in a split in a pollNext call. What splits are read will be sa
| common-options | | no | - |
| sheet_name | string | no | - |
| file_filter_pattern | string | no | - |
| compress_codec | string | no | none |

### path [string]

Expand Down Expand Up @@ -230,6 +231,16 @@ Reader the sheet of the workbook,Only used when file_format_type is excel.

Filter pattern, which used for filtering files.

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

## Example

```hocon
Expand Down
11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/OssFile.md
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@ Read all the data in a split in a pollNext call. What splits are read will be sa
| common-options | | no | - |
| sheet_name | string | no | - |
| file_filter_pattern | string | no | - |
| compress_codec | string | no | none |

### path [string]

Expand Down Expand Up @@ -249,6 +250,16 @@ Source plugin common parameters, please refer to [Source Common Options](common-

Reader the sheet of the workbook,Only used when file_format_type is excel.

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

## Example

```hocon
Expand Down
11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/OssJindoFile.md
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@ Read all the data in a split in a pollNext call. What splits are read will be sa
| common-options | | no | - |
| sheet_name | string | no | - |
| file_filter_pattern | string | no | - |
| compress_codec | string | no | none |

### path [string]

Expand Down Expand Up @@ -253,6 +254,16 @@ Reader the sheet of the workbook,Only used when file_format_type is excel.

Filter pattern, which used for filtering files.

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

## Example

```hocon
Expand Down
11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/S3File.md
Original file line number Diff line number Diff line change
Expand Up @@ -214,6 +214,17 @@ If you assign file type to `parquet` `orc`, schema option not required, connecto
| schema | config | no | - | The schema of upstream data. |
| common-options | | no | - | Source plugin common parameters, please refer to [Source Common Options](common-options.md) for details. |
| sheet_name | string | no | - | Reader the sheet of the workbook,Only used when file_format is excel. |
| compress_codec | string | no | none |

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

## Example

Expand Down
11 changes: 11 additions & 0 deletions docs/en/connector-v2/source/SftpFile.md
Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,7 @@ If you use SeaTunnel Engine, It automatically integrated the hadoop jar when you
| common-options | | no | - |
| sheet_name | string | no | - |
| file_filter_pattern | string | no | - |
| compress_codec | string | no | none |

### host [string]

Expand Down Expand Up @@ -231,6 +232,16 @@ Reader the sheet of the workbook,Only used when file_format_type is excel.

Filter pattern, which used for filtering files.

### compress_codec [string]

The compress codec of files and the details that supported as the following shown:

- txt: `lzo` `none`
- json: `lzo` `none`
- csv: `lzo` `none`
- orc/parquet:
automatically recognizes the compression type, no additional settings required.

## Example

```hocon
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -119,4 +119,10 @@ public class BaseSourceConfig {
.noDefaultValue()
.withDescription(
"File pattern. The connector will filter some files base on the pattern.");

public static final Option<CompressFormat> COMPRESS_CODEC =
Options.key("compress_codec")
.enumType(CompressFormat.class)
.defaultValue(CompressFormat.NONE)
.withDescription("Compression codec");
}
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@
import org.apache.seatunnel.api.table.type.SeaTunnelRow;
import org.apache.seatunnel.api.table.type.SeaTunnelRowType;
import org.apache.seatunnel.common.exception.CommonErrorCode;
import org.apache.seatunnel.connectors.seatunnel.file.config.BaseSourceConfig;
import org.apache.seatunnel.connectors.seatunnel.file.config.CompressFormat;
import org.apache.seatunnel.connectors.seatunnel.file.config.HadoopConf;
import org.apache.seatunnel.connectors.seatunnel.file.exception.FileConnectorException;
import org.apache.seatunnel.format.json.JsonDeserializationSchema;
Expand All @@ -30,14 +32,29 @@
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

import io.airlift.compress.lzo.LzopCodec;
import lombok.extern.slf4j.Slf4j;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.Map;

@Slf4j
public class JsonReadStrategy extends AbstractReadStrategy {
private DeserializationSchema<SeaTunnelRow> deserializationSchema;
private CompressFormat compressFormat = BaseSourceConfig.COMPRESS_CODEC.defaultValue();

@Override
public void init(HadoopConf conf) {
super.init(conf);
if (pluginConfig.hasPath(BaseSourceConfig.COMPRESS_CODEC.key())) {
String compressCodec = pluginConfig.getString(BaseSourceConfig.COMPRESS_CODEC.key());
compressFormat = CompressFormat.valueOf(compressCodec.toUpperCase());
}
}

@Override
public void setSeaTunnelRowTypeInfo(SeaTunnelRowType seaTunnelRowType) {
Expand All @@ -58,9 +75,24 @@ public void read(String path, Collector<SeaTunnelRow> output)
FileSystem fs = FileSystem.get(conf);
Path filePath = new Path(path);
Map<String, String> partitionsMap = parsePartitionsByPath(path);
InputStream inputStream;
switch (compressFormat) {
case LZO:
LzopCodec lzo = new LzopCodec();
inputStream = lzo.createInputStream(fs.open(filePath));
break;
case NONE:
inputStream = fs.open(filePath);
break;
default:
log.warn(
"Text file does not support this compress type: {}",
compressFormat.getCompressCodec());
inputStream = fs.open(filePath);
break;
}
try (BufferedReader reader =
new BufferedReader(
new InputStreamReader(fs.open(filePath), StandardCharsets.UTF_8))) {
new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
reader.lines()
.forEach(
line -> {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
import org.apache.seatunnel.common.utils.DateUtils;
import org.apache.seatunnel.common.utils.TimeUtils;
import org.apache.seatunnel.connectors.seatunnel.file.config.BaseSourceConfig;
import org.apache.seatunnel.connectors.seatunnel.file.config.CompressFormat;
import org.apache.seatunnel.connectors.seatunnel.file.config.FileFormat;
import org.apache.seatunnel.connectors.seatunnel.file.config.HadoopConf;
import org.apache.seatunnel.connectors.seatunnel.file.exception.FileConnectorErrorCode;
Expand All @@ -39,19 +40,25 @@
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

import io.airlift.compress.lzo.LzopCodec;
import lombok.extern.slf4j.Slf4j;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.Map;

@Slf4j
public class TextReadStrategy extends AbstractReadStrategy {
private DeserializationSchema<SeaTunnelRow> deserializationSchema;
private String fieldDelimiter = BaseSourceConfig.DELIMITER.defaultValue();
private DateUtils.Formatter dateFormat = BaseSourceConfig.DATE_FORMAT.defaultValue();
private DateTimeUtils.Formatter datetimeFormat =
BaseSourceConfig.DATETIME_FORMAT.defaultValue();
private TimeUtils.Formatter timeFormat = BaseSourceConfig.TIME_FORMAT.defaultValue();
private CompressFormat compressFormat = BaseSourceConfig.COMPRESS_CODEC.defaultValue();
private int[] indexes;

@Override
Expand All @@ -61,9 +68,25 @@ public void read(String path, Collector<SeaTunnelRow> output)
FileSystem fs = FileSystem.get(conf);
Path filePath = new Path(path);
Map<String, String> partitionsMap = parsePartitionsByPath(path);
InputStream inputStream;
switch (compressFormat) {
case LZO:
LzopCodec lzo = new LzopCodec();
inputStream = lzo.createInputStream(fs.open(filePath));
break;
case NONE:
inputStream = fs.open(filePath);
break;
default:
log.warn(
"Text file does not support this compress type: {}",
compressFormat.getCompressCodec());
inputStream = fs.open(filePath);
break;
}

try (BufferedReader reader =
new BufferedReader(
new InputStreamReader(fs.open(filePath), StandardCharsets.UTF_8))) {
new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
reader.lines()
.skip(skipHeaderNumber)
.forEach(
Expand Down Expand Up @@ -200,5 +223,9 @@ private void initFormatter() {
TimeUtils.Formatter.parse(
pluginConfig.getString(BaseSourceConfig.TIME_FORMAT.key()));
}
if (pluginConfig.hasPath(BaseSourceConfig.COMPRESS_CODEC.key())) {
String compressCodec = pluginConfig.getString(BaseSourceConfig.COMPRESS_CODEC.key());
compressFormat = CompressFormat.valueOf(compressCodec.toUpperCase());
}
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@ public OptionRule optionRule() {
.optional(BaseSourceConfig.DATETIME_FORMAT)
.optional(BaseSourceConfig.TIME_FORMAT)
.optional(BaseSourceConfig.FILE_FILTER_PATTERN)
.optional(BaseSourceConfig.COMPRESS_CODEC)
.build();
}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@ public OptionRule optionRule() {
.optional(BaseSourceConfig.DATETIME_FORMAT)
.optional(BaseSourceConfig.TIME_FORMAT)
.optional(BaseSourceConfig.FILE_FILTER_PATTERN)
.optional(BaseSourceConfig.COMPRESS_CODEC)
.build();
}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ public OptionRule optionRule() {
.optional(BaseSourceConfig.DATETIME_FORMAT)
.optional(BaseSourceConfig.TIME_FORMAT)
.optional(BaseSourceConfig.FILE_FILTER_PATTERN)
.optional(BaseSourceConfig.COMPRESS_CODEC)
.build();
}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@ public OptionRule optionRule() {
.optional(BaseSourceConfig.DATETIME_FORMAT)
.optional(BaseSourceConfig.TIME_FORMAT)
.optional(BaseSourceConfig.FILE_FILTER_PATTERN)
.optional(BaseSourceConfig.COMPRESS_CODEC)
.build();
}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@ public OptionRule optionRule() {
.optional(BaseSourceConfig.DATETIME_FORMAT)
.optional(BaseSourceConfig.TIME_FORMAT)
.optional(BaseSourceConfig.FILE_FILTER_PATTERN)
.optional(BaseSourceConfig.COMPRESS_CODEC)
.build();
}

Expand Down
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