How do you build a dictionary of words/tokens (stored vertically) out a value of a specific column? This column may contain space/tab separated content.
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Could you elaborate a bit? Is the dictionary you want just a list of unique words? Is it supposed to be sorted? Can you give an example input? Is what you're looking for similar to this: http://stackoverflow.com/questions/11205235/generating-multiple-lines-output-from-single-line-input-in-pig? – cyang Jul 31 '12 at 15:41
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What I wanted to do is more or less the same as in this question.
Generating multiple lines output from single line input in pig
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