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etl工具Kettle插入更新的问题
zzyhost
2017-12-17 12:21:50
为什么这个我选上了可结果还是被更新了?
还有一个问题,如果我想让一个表的某个字段既插入又更新而让另一个字段只插入不更新,如何做到?
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etl工具Kettle插入更新的问题
为什么这个我选上了可结果还是被更新了? 还有一个问题,如果我想让一个表的某个字段既插入又更新而让另一个字段只插入不更新,如何做到?
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wl19931218
2018-02-02
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插入的话: insert into a(col) select col from b; 更新的话: update a set col=select col from b where a.id=b.id;
学海无涯-回头是岸
2017-12-18
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用sql脚本嘛
小当家e
2017-12-18
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做两个插入更新, 一个选择既要插入又要更新的字段,执行后用第二个插入更新,选择不执行更新,选择字段
ETL
工具
(
kettle
)使用系列(五)-
kettle
调用restApi接口获取数据
插入
数据库-真实案例脱密处理
ETL
工具
(
kettle
)使用系列(五)-
kettle
调用restApi接口获取数据
插入
数据库-真实案例脱密处理-
kettle
脚本
ETL
工具
Kettle
用户手册
目录
Kettle
3.0 用户手册 ...................................................................................................................... 1
Kettle
3.0 用户手册 ...................................................................................................................... 6 1.
Kettle
介绍 ................................................................................................................................ 6 1.1 什么是
kettle
............................................................................................................. 6 1.2
Kettle
的安装 ............................................................................................................ 6 1.3 运行Spoon ............................................................................................................... 6 1.4 资源库 ....................................................................................................................... 6 1.5 资源库自动登录 ....................................................................................................... 7 1.6 定义 ........................................................................................................................... 8 1.6.1 转换 ................................................................................................................... 8 1.6.2 任务 ................................................................................................................... 8 1.7 选项 ........................................................................................................................... 9 1.7.1 General 标签 ................................................................................................... 10 1.7.2 Look Feel 标签 ............................................................................................... 11 1.8 搜索元数据 ............................................................................................................. 12 1.9 设置环境变量 ......................................................................................................... 13 2. 创建一个转换或任务 ............................................................................................................. 13 3. 数据库连接(Database Connections) ...................................................................................... 14 3.1 描述 ......................................................................................................................... 14 3.2 设置窗口 ................................................................................................................. 14 3.3 选项 ......................................................................................................................... 14 3.4 数据库用法 ............................................................................................................. 15 4. SQL 编辑器(SQL Editor) ....................................................................................................... 16 4.1 描述 ......................................................................................................................... 16 4.2 屏幕截图 ................................................................................................................. 16 4.3 局限性 ..................................................................................................................... 16 5. 数据库浏览器(Database Explorer) ........................................................................................ 17 5.1 屏幕截图 ................................................................................................................. 17 5.2 描述 ......................................................................................................................... 17 6. 节点连接(Hops) ................................................................................................................ 18 6.1 描述 ......................................................................................................................... 18 6.2 转换连接 ................................................................................................................. 18 6.3 任务连接 ................................................................................................................. 18 6.4 屏幕截图 ................................................................................................................. 18 6.5 创建一个连接 ......................................................................................................... 19 6.6 拆分一个连接 ......................................................................................................... 19 6.7 转换连接颜色 ......................................................................................................... 19 7. 变量(Variables) .................................................................................................................. 20 技术资料,【Kette3.0 用户手册】 ©深圳市神盾信息技术有限公司,2008 第2 页/共202 页 7.1 变量使用 ................................................................................................................. 20 7.2 变量范围 ................................................................................................................. 20 7.2.1 环境变量 ......................................................................................................... 20 7.2.2
Kettle
变量 ...................................................................................................... 21 7.2.3 内部变量 ......................................................................................................... 21 8. 转换设置(Transformation Settings) .................................................................................. 22 8.1 描述 ......................................................................................................................... 22 8.2 屏幕截图 ................................................................................................................. 22 8.3 选项 ......................................................................................................................... 25 8.4 其它 ......................................................................................................................... 26 9. 转换步骤(Transformation steps) ....................................................................................... 27 9.1 描述 ......................................................................................................................... 27 9.2 运行步骤的多个副本 ............................................................................................. 27 9.3 分发或者复制 ......................................................................................................... 28 9.4 常用错误处理 ......................................................................................................... 29 9.5 Apache 虚拟文件系统(VFS)支持 .................................................................... 31 9.6 转换步骤类型 ......................................................................................................... 33 9.6.1 文本文件输入(Text Input) ........................................................................ 33 9.6.2 表输入(Table Input) ................................................................................... 45 9.6.3 获取系统信息(Get System Info) ............................................................... 47 9.6.4 生成行(Generate Rows) ............................................................................ 51 9.6.5 文件反序列化(De-serialize from file)(原来名称为Cube 输入) .......... 52 9.6.6 XBase 输入(XBase input) ......................................................................... 53 9.6.7 Excel 输入(Excel Input) ............................................................................ 54 9.6.8 XML 输入(XML input) .................................................................................. 58 9.6.9 获取文件名(Get File Names) ......................................................................... 61 9.6.10 文本文件输出(Text File Output) .................................................................... 62 9.6.11 表输出(Table output) ...................................................................................... 65 9.6.12
插入
/
更新
(Insert/Update) ............................................................................... 68 9.6.13
更新
(Update) ............................................................................................. 70 9.6.14 删除(Delete) .................................................................................................... 71 9.6.15 序列化到文件(Serialize to file)(以前是Cube Output) .................................. 72 9.6.16 XML 输出(XML output) ........................................................................... 73 9.6.17 Excel 输出(Excel Output) ............................................................................... 76 9.6.18 Access 输出(Microsoft Access Output) ..................................................... 78 9.6.19 数据库查询(Database lookup) ....................................................................... 80 9.6.20 流查询(Stream lookup) ............................................................................. 81 9.6.21 调用数据库存储过程(Call DB Procedure) .................................................... 83 9.6.22 HTTP 客户端(HTTP Cient) ............................................................................ 84 9.6.23 字段选择 (Select values) ............................................................................... 86 9.6.24 过滤记录(Filter rows) ..................................................................................... 89 9.6.25 排序记录(Sort rows) ................................................................................. 90 9.6.26 添加序列(Add sequence) ................................................................................ 91 9.6.27 空操作-什么都不做(Dummy-do nothing) ..................................................... 93 技术资料,【Kette3.0 用户手册】 ©深圳市神盾信息技术有限公司,2008 第3 页/共202 页 9.6.28 行转列(Row Normaliser) ................................................................................ 95 9.6.29 拆分字段(Split Fields)............................................................................... 97 9.6.30 去除重复记录(Unique rows) .......................................................................... 98 9.6.31 分组(Group By) ............................................................................................ 100 9.6.32 设置为空值(Null if) ...................................................................................... 101 9.6.33 计算器(Calculator) .................................................................................. 102 9.6.34 增加XML(XML Add) ............................................................................. 104 9.6.35 增加常量(Add constants) ........................................................................ 106 9.6.36 行转列(Row Denormaliser) ..................................................................... 107 9.6.37 行扁平化(Flattener) ................................................................................. 108 9.6.38 值映射(Value Mapper) ............................................................................ 110 9.6.39 被冻结的步骤(Blocking step) ................................................................. 111 9.6.40 记录关联(笛卡尔输出)(Join Rows-Cartesian Product)....................... 112 9.6.41 数据库连接(Database Join) ..................................................................... 114 9.6.42 合并记录(Merge rows) ............................................................................ 115 9.6.43 存储合并(Stored Merge) ......................................................................... 116 9.6.44 合并连接(Merge Join) .................................................................................. 117 9.6.45 JavaScript 值(JavaScript Value) ............................................................. 119 9.6.46 改进的JavaScript 值(Modified JavaScript Value) ................................ 127 9.6.47 执行SQL 语句(Execute SQL script) ...................................................... 129 9.6.48 维度
更新
/查询(Dimension lookup/update) ............................................ 132 9.6.49 联合
更新
/查询(Combination lookup/update) ......................................... 133 9.6.50 映射(Mapping) ........................................................................................ 134 9.6.51 从结果获取记录(Get rows from result) .................................................. 135 9.6.52 复制记录到结果(Copy rows to result) .................................................... 135 9.6.53 设置变量(Set Variable) ........................................................................... 136 9.6.54 获取变量(Get Variable) ........................................................................... 137 9.6.55 从以前的结果获取文件(Get files from result) ....................................... 138 9.6.56 复制文件名到结果(Set files in result) .................................................... 139 9.6.57 记录注射器(Injector) .............................................................................. 140 9.6.58 套接字读入器(Socket Reader) ................................................................ 141 9.6.59 套接字输写器(Socket Writer) ................................................................. 141 9.6.60 聚合行(Aggregate Rows) ........................................................................ 142 9.6.61 流XML 输入(Streaming XML Input) .................................................. 143 9.6.62 中止(Abort) ............................................................................................. 149 9.6.63 Oracle 批量装载(Oracle bulk loader) ...................................................... 151 10. 任务设置(Job Settings) ........................................................................................... 153 10.1 描述 ....................................................................................................................... 153 10.2 屏幕截图 ............................................................................................................... 153 10.3 选项 ....................................................................................................................... 153 10.4 其它 ....................................................................................................................... 154 11. 任务条目(Job Entries) ............................................................................................. 154 11.1 描述 ....................................................................................................................... 154 11.2 任务条目类型 ....................................................................................................... 155 技术资料,【Kette3.0 用户手册】 ©深圳市神盾信息技术有限公司,2008 第4 页/共202 页 11.2.1 特殊的任务条目 ........................................................................................... 155 11.2.2 转换 ............................................................................................................... 157 11.2.3 任务 ............................................................................................................... 159 11.2.4 Shell .............................................................................................................. 161 11.2.5 Mail ............................................................................................................... 163 11.2.6 SQL ............................................................................................................... 165 11.2.7 FTP ................................................................................................................ 166 11.2.8 Table Exists ................................................................................................... 168 11.2.9 File Exists ...................................................................................................... 169 11.2.10 Evaluation(javascript) ................................................................................... 170 11.2.11 SFTP .............................................................................................................. 171 11.2.12 HTTP ............................................................................................................. 173 11.2.13 Create file ...................................................................................................... 175 11.2.14 Delete file ...................................................................................................... 176 11.2.15 Wait for file ................................................................................................... 177 11.2.16 File compare .................................................................................................. 178 11.2.17 Put files with secureFTP ............................................................................... 180 11.2.18 Ping a host ..................................................................................................... 181 11.2.19 Wait for .......................................................................................................... 182 11.2.20 Display Msgbox info ..................................................................................... 183 11.2.21 Abort job ....................................................................................................... 184 11.2.22 XSL transformation ....................................................................................... 185 11.2.23 Zip files ......................................................................................................... 186 12. 图形界面(Graphical View) ...................................................................................... 187 12.1 描述 ....................................................................................................................... 187 12.2 添加步骤或者任务条目 ....................................................................................... 188 12.2.1 拖放创建步骤 ............................................................................................... 188 12.2.2 从步骤类型树创建步骤 ............................................................................... 188 12.2.3 在你想要的位置创建步骤 ........................................................................... 189 12.3 隐藏步骤 ............................................................................................................... 189 12.4 转换步骤选项(右键上下文菜单) ................................................................... 189 12.4.1 编辑步骤 ....................................................................................................... 189 12.4.2 编辑步骤描述 ............................................................................................... 189 12.4.3 数据迁移 ....................................................................................................... 189 12.4.4 复制 ............................................................................................................... 189 12.4.5 复制步骤 ....................................................................................................... 189 12.4.6 删除步骤 ....................................................................................................... 190 12.4.7 显示输入字段 ............................................................................................... 190 12.4.8 显示输出字段 ............................................................................................... 190 12.5 任务条目选项(右键上下文菜单) ................................................................... 190 12.5.1 打开转换/任务 .............................................................................................. 190 12.5.2 编辑任务入口 ............................................................................................... 190 12.5.3 编辑任务入口描述 ....................................................................................... 190 12.5.4 复制任务入口 ............................................................................................... 190 技术资料,【Kette3.0 用户手册】 ©深圳市神盾信息技术有限公司,2008 第5 页/共202 页 12.5.5 复制选择的任务入口到剪贴板 ................................................................... 190 12.5.6 排列/分布 ...................................................................................................... 191 12.5.7 拆开节点 ....................................................................................................... 191 12.5.8 删除所有任务入口的副本 ........................................................................... 191 12.6 添加节点连接 ....................................................................................................... 191 12.7 运行转换 ............................................................................................................... 191 12.8 屏幕截图 ............................................................................................................... 191 12.9 执行选项 ............................................................................................................... 192 12.9.1 在哪里执行 ................................................................................................... 192 12.9.2 预览 ............................................................................................................... 192 12.9.3 使用安全模式 ............................................................................................... 192 12.9.4 日志级别 ....................................................................................................... 192 12.9.5 重放日期 ....................................................................................................... 192 12.9.6 参数 ............................................................................................................... 192 12.9.7 变量 ............................................................................................................... 192 12.10 设置远程或者从属服务器 ................................................................................... 193 12.10.1 概述 ....................................................................................................... 193 12.10.2 屏幕截图 ............................................................................................... 193 13. 日志(Logging) ......................................................................................................... 193 13.1 日志描述 ............................................................................................................... 193 13.2 屏幕截图 ............................................................................................................... 194 13.3 日志网格 ............................................................................................................... 194 13.3.1 转换日志网格 ............................................................................................... 194 13.3.2 任务日志网格 ............................................................................................... 195 13.4 按钮 ....................................................................................................................... 195 13.4.1 转换按钮 ....................................................................................................... 195 13.4.2 任务按钮 ....................................................................................................... 197 14. 网格(Grids) .............................................................................................................. 198 14.1 描述 ....................................................................................................................... 198 14.2 功能 ....................................................................................................................... 198 14.3 导航 ....................................................................................................................... 199 15. 资源库浏览器(Repository Explorer) ...................................................................... 199 15.1 描述 ....................................................................................................................... 199 15.2 屏幕截图 ............................................................................................................... 200 15.3 右键单击功能 ....................................................................................................... 200 15.4 备份/资源库 .......................................................................................................... 200 16. 共享对象(Share objects) ......................................................................................... 201
ETL
工具
(
kettle
)使用系列(四)-
kettle
调用webservice数据
插入
数据库-真实案例脱密处理.txt
ETL
工具
(
kettle
)使用系列(四)-
kettle
调用webservice数据
插入
数据库-真实案例脱密处理
kettle
对数据分表
插入
kettle
对数据分表
插入
数据库Oracle
etl
工具
kettle
通过java脚本,hash算法,实现分表数据写入
kettle
.docx
详细介绍了强大的
ETL
工具
kettle
的使用,从安装到资源库再到各种数据抽取(数据库、文本抽取),以及全量、增量、
插入
更新
等抽取方式。
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