Pentaho水壶-获得所有单词组合

问题描述

如何通过pentaho水壶获得所有可能的单词组合.有没有做到这一点的步骤?

How can I get all possible combination of words through pentaho kettle. Is there a step that does this?

例如-如果我有3个单词Apple，Banana，Orange

For example - if I have 3 word Apple , Banana , Orange

我需要这些单词的所有唯一组合，即

I need all unique combinations of those words I.e.

• comb1 = Apple；
• Comb2 =香蕉;
• Comb3 =橙色；
• Comb4 =苹果+香蕉;
• Comb5 =苹果+橙色；
• Comb6 =香蕉+橙;
• Comb7 =香蕉+苹果;
• Comb8 =橙色+苹果；
• Comb9 =橙色+香蕉;
• Comb10 =苹果+香蕉+橙;
• Comb11 =苹果+橙+香蕉;
• Comb12 =香蕉+橙+苹果;
• Comb13 =香蕉+苹果+橙;
• Comb14 =橙+苹果+香蕉;
• Comb15 =橙色+香蕉+苹果；

• comb1 = Apple ;
• Comb2 = Banana ;
• Comb3 = Orange ;
• Comb4 = Apple + Banana ;
• Comb5 = Apple + Orange ;
• Comb6 = Banana + Orange ;
• Comb7 = Banana + Apple ;
• Comb8 = Orange + Apple ;
• Comb9 = Orange + Banana ;
• Comb10 = Apple + Banana + Orange ;
• Comb11 = Apple + Orange + Banana ;
• Comb12 = Banana + Orange + Apple ;
• Comb13 = Banana + Apple + Orange ;
• Comb14 = Orange + Apple + Banana ;
• Comb15 = Orange + Banana + Apple ;

我需要这是动态的，即将根据提供的字数生成组合.

I need this to be dynamic I.e. combination to be generated depending upon a no of words supplied.

谢谢！

推荐答案

在PDI中，您需要使用修改的Java脚本值"步骤.因为没有默认的PDI步骤可以执行此操作.我已经为您准备了一个转换.您可以从此转换中获得帮助. 链接

In PDI you need to use 'Modified Java Script Value' step. Because there have no default PDI step to do that. I have prepared a transformation for you. You can get help from this transformation. Link

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