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46
README.md
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@ -16,7 +16,7 @@ DataX本身作为数据同步框架，将不同数据源的同步抽象为从源
# DataX详细介绍
##### 请参考：[DataX-Introduction](https://github.com/alibaba/DataX/wiki/DataX-Introduction)
##### 请参考：[DataX-Introduction](https://github.com/alibaba/DataX/blob/master/introduction.md)
@ -28,31 +28,32 @@ DataX本身作为数据同步框架，将不同数据源的同步抽象为从源
# Support Data Channels
# Support Data Channels
DataX目前已经有了比较全面的插件体系，主流的RDBMS数据库、NOSQL、大数据计算系统都已经接入，目前支持数据如下图，详情请点击：[DataX数据源参考指南](https://github.com/alibaba/DataX/wiki/DataX-all-data-channels)
| 类型 | 数据源 | Reader(读) | Writer(写) |文档|
| ------------ | ---------- | :-------: | :-------: |:-------: |
| RDBMS 关系型数据库 | MySQL | √ | √ |![读](https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md) 、![写](https://github.com/alibaba/DataX/blob/master/mysqlwriter/doc/mysqlwriter.md)|
| | Oracle | √ | √ |![读]() 、![写]()|
| | SQLServer | √ | √ |![读]() 、![写]()|
| | PostgreSQL | √ | √ |![读]() 、![写]()|
| | DRDS | √ | √ |![读]() 、![写]()|
| | 达梦 | √ | √ |![读]() 、![写]()|
| | 通用RDBMS(支持所有关系型数据库) | √ | √ |![读]() 、![写]()|
| 阿里云数仓数据存储 | ODPS | √ | √ |![读]() 、![写]()|
| | ADS | | √ |![读]() 、![写]()|
| | OSS | √ | √ |![读]() 、![写]()|
| | OCS | √ | √ |![读]() 、![写]()|
| NoSQL数据存储 | OTS | √ | √ |![读]() 、![写]()|
| | Hbase0.94 | √ | √ |![读]() 、![写]()|
| | Hbase1.1 | √ | √ |![读]() 、![写]()|
| | MongoDB | √ | √ |![读]() 、![写]()|
| 无结构化数据存储 | TxtFile | √ | √ |![读]() 、![写]()|
| | FTP | √ | √ |![读]() 、![写]()|
| | HDFS | √ | √ |![读]() 、![写]()|
| | Elasticsearch | | √ |![读]() 、![写]()|
| RDBMS 关系型数据库 | MySQL | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/mysqlwriter/doc/mysqlwriter.md)|
|             | Oracle     |     √     |     √     |[读](https://github.com/alibaba/DataX/blob/master/oraclereader/doc/oraclereader.md) 、[写](https://github.com/alibaba/DataX/blob/master/oraclewriter/doc/oraclewriter.md)|
| | SQLServer | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/sqlserverreader/doc/sqlserverreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/sqlserverwriter/doc/sqlserverwriter.md)|
| | PostgreSQL | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/postgresqlreader/doc/postgresqlreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/postgresqlwriter/doc/postgresqlwriter.md)|
| | DRDS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/drdsreader/doc/drdsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/drdswriter/doc/drdswriter.md)|
| | 达梦 | √ | √ |[读]() 、[写]()|
| | 通用RDBMS(支持所有关系型数据库) | √ | √ |[读]() 、[写]()|
| 阿里云数仓数据存储 | ODPS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/odpsreader/doc/odpsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/odpswriter/doc/odpswriter.md)|
| | ADS | | √ |[写](https://github.com/alibaba/DataX/blob/master/adswriter/doc/adswriter.md)|
| | OSS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/ossreader/doc/ossreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/osswriter/doc/osswriter.md)|
| | OCS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/ocsreader/doc/ocsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/ocswriter/doc/ocswriter.md)|
| NoSQL数据存储 | OTS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/otsreader/doc/otsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/otswriter/doc/otswriter.md)|
| | Hbase0.94 | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hbase094xreader/doc/hbase094xreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hbase094xwriter/doc/hbase094xwriter.md)|
| | Hbase1.1 | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hbase11xreader/doc/hbase11xreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hbase11xwriter/doc/hbase11xwriter.md)|
| | MongoDB | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/mongoreader/doc/mongoreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/mongowriter/doc/mongowriter.md)|
| | Hive | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hdfsreader/doc/hdfsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hdfswriter/doc/hdfswriter.md)|
| 无结构化数据存储 | TxtFile | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/txtfilereader/doc/txtfilereader.md) 、[写](https://github.com/alibaba/DataX/blob/master/txtfilewriter/doc/txtfilewriter.md)|
| | FTP | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/ftpreader/doc/ftpreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/ftpwriter/doc/ftpwriter.md)|
| | HDFS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hdfsreader/doc/hdfsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hdfswriter/doc/hdfswriter.md)|
| | Elasticsearch | | √ |[写](https://github.com/alibaba/DataX/blob/master/elasticsearchwriter/doc/elasticsearchwriter.md)|
# 我要开发新的插件
请点击：[DataX插件开发宝典](https://github.com/alibaba/DataX/blob/master/dataxPluginDev.md)
@ -105,6 +106,7 @@ This software is free to use under the Apache License [Apache license](https://g
````
钉钉用户请扫描以下二维码进行讨论：
![DataX-OpenSource-Dingding](https://raw.githubusercontent.com/alibaba/DataX/master/images/datax-opensource-dingding.png)
![DataX-OpenSource-Dingding](https://img.alicdn.com/tfs/TB1nPz6rbGYBuNjy0FoXXciBFXa-310-425.png)

7
hdfsreader/src/main/java/com/alibaba/datax/plugin/reader/hdfsreader/DFSUtil.java
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@ -486,15 +486,10 @@ public class DFSUtil {
}
private int getAllColumnsCount(String filePath) {
int columnsCount;
final String colFinal = "_col";
Path path = new Path(filePath);
try {
Reader reader = OrcFile.createReader(path, OrcFile.readerOptions(hadoopConf));
String type_struct = reader.getObjectInspector().getTypeName();
columnsCount = (type_struct.length() - type_struct.replace(colFinal, "").length())
/ colFinal.length();
return columnsCount;
return reader.getTypes().get(0).getSubtypesCount();
} catch (IOException e) {
String message = "读取orcfile column列数失败，请联系系统管理员";
throw DataXException.asDataXException(HdfsReaderErrorCode.READ_FILE_ERROR, message);

41
introduction.md
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@ -34,25 +34,26 @@ DataX本身作为离线数据同步框架，采用Framework + plugin架构构建
| 类型 | 数据源 | Reader(读) | Writer(写) |文档|
| ------------ | ---------- | :-------: | :-------: |:-------: |
| RDBMS 关系型数据库 | MySQL | √ | √ |![读](https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md) 、![写](https://github.com/alibaba/DataX/blob/master/mysqlwriter/doc/mysqlwriter.md)|
| | Oracle | √ | √ |![读]() 、![写]()|
| | SQLServer | √ | √ |![读]() 、![写]()|
| | PostgreSQL | √ | √ |![读]() 、![写]()|
| | DRDS | √ | √ |![读]() 、![写]()|
| | 达梦 | √ | √ |![读]() 、![写]()|
| | 通用RDBMS(支持所有关系型数据库) | √ | √ |![读]() 、![写]()|
| 阿里云数仓数据存储 | ODPS | √ | √ |![读]() 、![写]()|
| | ADS | | √ |![读]() 、![写]()|
| | OSS | √ | √ |![读]() 、![写]()|
| | OCS | √ | √ |![读]() 、![写]()|
| NoSQL数据存储 | OTS | √ | √ |![读]() 、![写]()|
| | Hbase0.94 | √ | √ |![读]() 、![写]()|
| | Hbase1.1 | √ | √ |![读]() 、![写]()|
| | MongoDB | √ | √ |![读]() 、![写]()|
| 无结构化数据存储 | TxtFile | √ | √ |![读]() 、![写]()|
| | FTP | √ | √ |![读]() 、![写]()|
| | HDFS | √ | √ |![读]() 、![写]()|
| | Elasticsearch | | √ |![读]() 、![写]()|
| RDBMS 关系型数据库 | MySQL | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/mysqlwriter/doc/mysqlwriter.md)|
|             | Oracle     |     √     |     √     |[读](https://github.com/alibaba/DataX/blob/master/oraclereader/doc/oraclereader.md) 、[写](https://github.com/alibaba/DataX/blob/master/oraclewriter/doc/oraclewriter.md)|
| | SQLServer | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/sqlserverreader/doc/sqlserverreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/sqlserverwriter/doc/sqlserverwriter.md)|
| | PostgreSQL | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/postgresqlreader/doc/postgresqlreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/postgresqlwriter/doc/postgresqlwriter.md)|
| | DRDS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/drdsreader/doc/drdsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/drdswriter/doc/drdswriter.md)|
| | 达梦 | √ | √ |[读]() 、[写]()|
| | 通用RDBMS(支持所有关系型数据库) | √ | √ |[读]() 、[写]()|
| 阿里云数仓数据存储 | ODPS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/odpsreader/doc/odpsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/odpsswriter/doc/odpswriter.md)|
| | ADS | | √ |[写](https://github.com/alibaba/DataX/blob/master/adswriter/doc/adswriter.md)|
| | OSS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/ossreader/doc/ossreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/osswriter/doc/osswriter.md)|
| | OCS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/ocsreader/doc/ocsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/ocswriter/doc/ocswriter.md)|
| NoSQL数据存储 | OTS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/otsreader/doc/otsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/otswriter/doc/otswriter.md)|
| | Hbase0.94 | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hbase094xreader/doc/hbase094xreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hbase094xwriter/doc/hbase094xwriter.md)|
| | Hbase1.1 | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hbase11xreader/doc/hbase11xreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hbase11xwriter/doc/hbase11xwriter.md)|
| | MongoDB | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/mongoreader/doc/mongoreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/mongowriter/doc/mongowriter.md)|
| | Hive | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hdfsreader/doc/hdfsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hdfswriter/doc/hdfswriter.md)|
| 无结构化数据存储 | TxtFile | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/txtfilereader/doc/txtfilereader.md) 、[写](https://github.com/alibaba/DataX/blob/master/txtfilewriter/doc/txtfilewriter.md)|
| | FTP | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/ftpreader/doc/ftpreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/ftpwriter/doc/ftpwriter.md)|
| | HDFS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hdfsreader/doc/hdfsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hdfswriter/doc/hdfswriter.md)|
| | Elasticsearch | | √ |[写](https://github.com/alibaba/DataX/blob/master/elasticsearchwriter/doc/elasticsearchwriter.md)|
DataX Framework提供了简单的接口与插件交互，提供简单的插件接入机制，只需要任意加上一种插件，就能无缝对接其他数据源。详情请看：[DataX数据源指南](https://github.com/alibaba/DataX/wiki/DataX-all-data-channels)
@ -147,4 +148,4 @@ DataX 3.0 开源版本支持单机多线程模式完成同步作业运行，本
- 在任务结束之后，打印总体运行情况
![datax_end_info](https://cloud.githubusercontent.com/assets/1067175/17850930/0484d3ac-6892-11e6-9c1d-b102ad210a32.png)
![datax_end_info](https://cloud.githubusercontent.com/assets/1067175/17850930/0484d3ac-6892-11e6-9c1d-b102ad210a32.png)

5
userGuid.md
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@ -17,7 +17,7 @@ DataX本身作为数据同步框架，将不同数据源的同步抽象为从源
* 工具部署
* 方法一、直接下载DataX工具包：[DataX](https://github.com/alibaba/DataX)
* 方法一、直接下载DataX工具包：[DataX下载地址](http://datax-opensource.oss-cn-hangzhou.aliyuncs.com/datax.tar.gz)
下载后解压至本地某个目录，进入bin目录，即可运行同步作业：
@ -25,7 +25,8 @@ DataX本身作为数据同步框架，将不同数据源的同步抽象为从源
$ cd {YOUR_DATAX_HOME}/bin
$ python datax.py {YOUR_JOB.json}
```
自检脚本：
   python {YOUR_DATAX_HOME}/bin/datax.py {YOUR_DATAX_HOME}/job/job.json
* 方法二、下载DataX源码，自己编译：[DataX源码](https://github.com/alibaba/DataX)
(1)、下载DataX源码：