Kettle学习资料分享，附大神用Kettle的一套流程完成对整个数据库迁移方法

Kettle学习资料分享

 

Kettle 3.2 使用说明书

目录

概述..........................................................................................................................................7

1.Kettle 资源库管理.................................................................................................................7

1.1 新建资源库.................................................................................................................7

1.2 更新资源库..............................................................................................................11

1.3 资源库登陆和用户管理..........................................................................................12

1.4 资源库登录和没有资源库登录的区别..................................................................16

2.菜单栏介绍..........................................................................................................................18

2.1 文件..........................................................................................................................18

2.2 编辑..........................................................................................................................19

2.3 视图..........................................................................................................................21

2.4 资源库......................................................................................................................21

2.5 转换..........................................................................................................................22

2.6 作业..........................................................................................................................25

2.7 向导..........................................................................................................................26

2.8 帮助..........................................................................................................................26

2.9 变量..........................................................................................................................26

2.9.1 变量使用........................................................................................................26

2.9.2 变量范围.......................................................................................................26

2.9.2.1 环境变量............................................................................................26

2.9.2.2 Kettle 变量.........................................................................................27

2.9.2.3 内部变量............................................................................................27

3.工具栏介绍..........................................................................................................................28

3.1 转换Transformation 工具栏....................................................................................28

3.2 工作Jobs 工具栏......................................................................................................29

4.主对象树..............................................................................................................................30

4.1 转换主对象树..........................................................................................................31

4.1.1 新建转换.......................................................................................................32

4.1.2 转换设置.......................................................................................................32

4.1.3 DB 连接.........................................................................................................37

4.1.4 Steps(步骤) ....................................................................................................40

4.1.5 Hops(节点连接).............................................................................................40

4.1.5.1 右键节点连接，可以新建和排序连接.............................................41

4.1.5.2 右键单击每个具体连接，可以编辑和删除该节点连接的属性.....42

4.1.6 数据库分区schems ......................................................................................42

4.1.7 子服务器.......................................................................................................43

4.1.8 Kettle 集群schems ........................................................................................43

4.2 Jobs 主对象树...........................................................................................................44

4.2.1 新建Job ........................................................................................................44

4.2.2 设置Job 属性...............................................................................................45

4.2.3 DB 连接......................................................................................................45

4.2.4 作业项目....................................................................................................47

4.2.5 子服务器.......................................................................................................47

5. 转换核心对象....................................................................................................................47

5.1 Transform..................................................................................................................48

5.2 Input ..........................................................................................................................48

5.3 输入..........................................................................................................................49

5.3.1 Access Input ...................................................................................................49

5.3.2 CSV file input ................................................................................................50

5.3.3 Cube 输入多维立方体................................................................................51

5.3.4 Excel 输入......................................................................................................51

5.3.5 Fixed file input ...............................................................................................53

5.3.6 Generate random value ..................................................................................54

5.3.7 Get file Names................................................................................................55

5.3.8 Get Files Rows Count ....................................................................................55

5.3.9 Get data from XML........................................................................................55

5.3.10 LDAP Input ..................................................................................................57

5.3.11 LDIF Input....................................................................................................58

5.3.12 Mondrian Input.............................................................................................60

5.3.13 Property Input...............................................................................................60

5.3.14 Streaming XML Input ..................................................................................61

5.3.15 XBase 输入..................................................................................................65

5.3.16 XML 输入....................................................................................................66

5.3.17 文本文件输入.............................................................................................70

5.3.18 生成记录.....................................................................................................71

5.3.19 获取系统信息.............................................................................................71

5.3.20 表输入.........................................................................................................73

5.4 输出..........................................................................................................................75

5.4.1 Access Output.................................................................................................75

5.4.2 Cube 输出......................................................................................................75

5.4.3 Excel Output...................................................................................................76

5.4.4 Properties Output ...........................................................................................76

5.4.5 SQL File Output .............................................................................................78

5.4.6 XML 输出......................................................................................................79

5.4.7 删除...............................................................................................................80

5.4.8 插入/更新......................................................................................................81

5.4.9 文本文件输出...............................................................................................83

5.4.10 更新.............................................................................................................83

5.4.11 表输出.........................................................................................................84

5.5 查询..........................................................................................................................85

5.5.1 Check if a column exists ................................................................................85

5.5.2 File Exists.......................................................................................................86

5.5.3 HTTP client ....................................................................................................87

5.5.4 Table exists.....................................................................................................88

5.5.5 Web 服务查询................................................................................................89

5.5.6 数据库查询...................................................................................................89

5.5.7 数据库连接...................................................................................................91

5.5.8 流查询...........................................................................................................92

5.5.9 调用DB 存储过程.......................................................................................94

5.6 转换..........................................................................................................................94

5.6.1 Abort...............................................................................................................95

5.6.2 Add XML 增加XML....................................................................................96

5.6.3 Add a checksum 增加检查和.......................................................................97

5.6.4 Analytic Query 分析查询.............................................................................98

5.6.5 Append Streams .............................................................................................98

5.6.6 Blocking Step 被冻结的步骤.......................................................................99

5.6.7 Clone row.......................................................................................................99

5.6.8 Closure Generator 闭包生成器..................................................................100

5.6.9 Data Validator 数据检测.............................................................................100

5.6.10 Delay row 延迟行.....................................................................................101

5.6.11 Identify last row in a stream 标记流中最后一行.....................................101

5.6.12 Metadata structure of stream 流中元数据结构.........................................102

5.6.13 Null if 设置为空值...................................................................................102

5.6.14 Row Normaliser 行正规化.......................................................................103

5.6.15 Split field to rows 分离行.........................................................................103

5.6.16 Switch / case...............................................................................................104

5.6.17 XSD Validator ............................................................................................104

5.6.18 XSL Transformation...................................................................................105

5.6.19 值映射.......................................................................................................106

5.6.20 分组...........................................................................................................107

5.6.21 去除重复记录...........................................................................................108

5.6.22 增加常量...................................................................................................109

5.6.23 增加序列...................................................................................................109

5.6.24 字段选择...................................................................................................110

5.6.25 拆分字段................................................................................................... 111

5.6.26 排序记录...................................................................................................112

5.6.27 空操作.......................................................................................................113

5.6.28 行扁平化...................................................................................................113

5.6.29 行转列.......................................................................................................115

5.6.30 计算器.......................................................................................................116

5.6.31 过滤记录...................................................................................................119

5.7 连接.......................................................................................................................120

5.7.1 Merge Join....................................................................................................120

5.7.2 Sorted Merge................................................................................................121

5.7.3 XML Join .....................................................................................................122

5.7.4 合并记录.....................................................................................................122

5.7.5 记录关联（笛卡尔输出）.........................................................................123

5.8 脚本........................................................................................................................124

5.8.1 Modified Java Script Calue..........................................................................124

5.8.2 Regex Evaluation .........................................................................................125

5.8.3 执行SQL 脚本...........................................................................................127

5.9 数据仓库................................................................................................................128

5.9.1 维度更新/查询............................................................................................128

5.9.2 联合更新/查询............................................................................................129

5.10 映射......................................................................................................................130

5.10.1 映射（子转换）.......................................................................................130

5.10.2 映射输入规范...........................................................................................131

5.10.2 映射输出规范...........................................................................................132

5.11 作业......................................................................................................................132

5.11.1 Get Variables 获得变量.............................................................................132

5.11.2 Get files from result....................................................................................133

5.11.3 Set Variables 设置变量.............................................................................134

5.11.4 Set files in result.........................................................................................135

5.11.5 从结果获取记录.......................................................................................135

5.11.6 复制记录到结果.......................................................................................136

5.12 内联......................................................................................................................136

5.12.1 Injector .......................................................................................................136

5.12.2 Socket reader..............................................................................................137

5.12.3 Socket writer ..............................................................................................137

5.13 实验......................................................................................................................138

5.14 不推荐的..............................................................................................................138

5.14.1 聚合记录...................................................................................................139

5.15 Bulk loading..........................................................................................................140

5.16 History...................................................................................................................142

6. 任务Jobs 核心对象.........................................................................................................143

6.1 General ....................................................................................................................143

6.1.1 Dummy Job ..................................................................................................143

6.2 通用........................................................................................................................144

6.2.1 START..........................................................................................................144

6.2.2 Dummy Job ..................................................................................................144

6.2.3 中断任务.....................................................................................................145

6.2.4 显示消息对话框.........................................................................................145

6.2.5 任务(Job) ....................................................................................................146

6.2.6 Ping a host....................................................................................................147

6.2.7 Success .........................................................................................................148

6.2.8 文本输出.....................................................................................................148

6.2.9 Write to Log .................................................................................................149

6.3 邮件........................................................................................................................149

6.3.1 Write to Log .................................................................................................149

6.3.2 Mail ..............................................................................................................150

6.4 文件管理................................................................................................................151

6.4.1 向结果中添加文件名.................................................................................152

6.4.2 比较文件夹.................................................................................................152

6.4.3 拷贝文件.....................................................................................................153

6.4.4 拷贝或移动结果文件名.............................................................................153

6.4.5 新建文件夹.................................................................................................154

6.4.6 新建文件.....................................................................................................155

6.4.7 删除文件.....................................................................................................155

6.4.8 从结果集中删除文件名.............................................................................155

6.4.9 删除文件.....................................................................................................156

6.4.10 删除文件夹...............................................................................................156

6.4.11 文件比较...................................................................................................157

6.4.12 HTTP..........................................................................................................157

6.4.13 Move FIles .................................................................................................158

6.4.14 文件解压缩................................................................................................159

6.4.15 等待文件...................................................................................................159

6.4.16 文件打包...................................................................................................160

6.5 条件........................................................................................................................161

6.5.1 检查文件夹是否为空.................................................................................161

6.5.2 检查文件是否存在.....................................................................................161

6.5.3 检查数据库表中的列是否存在.................................................................162

6.5.4 检查文件存在.............................................................................................162

6.5.5 检查表是否存在.........................................................................................163

6.5.6 等待.............................................................................................................163

6.6 脚本........................................................................................................................164

6.6.1 Mail ..............................................................................................................164

6.6.2 SQL ..............................................................................................................164

6.6.3 SHELL .........................................................................................................165

6.7 批量加载................................................................................................................166

6.7.1 批量从Mysql 中加载数据至文件.............................................................166

6.7.2 从文件中向MS SQL Server 数据库中批量加载.....................................166

6.7.3 从文件中向Mysql 数据库中批量加载......................................................167

6.8 XML........................................................................................................................168

6.8.1 Check if XML File is well formed ...............................................................168

6.8.2 DTD Validator..............................................................................................169

6.8.3 XSD Validator ..............................................................................................169

6.8.4 XSL Transformation.....................................................................................170

6.9 文件传输................................................................................................................171

6.9.1 FTP...............................................................................................................171

6.9.2 FTP Delete....................................................................................................173

6.9.3 Put a file with FTP .......................................................................................173

6.9.4 Put a file with SFTP .....................................................................................175

6.9.5 SSH2 Get......................................................................................................176

6.9.6 SSH2 Put ......................................................................................................177

6.9.7 Secure FTP...................................................................................................179

6.10 资源库..................................................................................................................180

6.10.1 Check if connected to repository................................................................180

6.10.2 Export repository to XML file....................................................................181

6.11 实验......................................................................................................................181

6.11.1 Evaluate rows number in a table ................................................................182

6.11.2 MS Access Bulk Load ................................................................................182

6.11.3 Set variables ...............................................................................................184

6.11.4 Simple evaluation.......................................................................................184

6.11.5 Truncate tables............................................................................................185

6.11.6 Wait for SQL ..............................................................................................186

 

附：

1、Kettle+3.2使用说明书.pdf

2、kettle初探--内含配置信息.pdf

3、用Kettle的一套流程完成对整个数据库迁移.pdf

评论

1 楼 hr5204562 2017-04-14  

多谢分享！！