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Mapping Value #203

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JohnLeeBUAA opened this issue Nov 27, 2017 · 0 comments
Open

Mapping Value #203

JohnLeeBUAA opened this issue Nov 27, 2017 · 0 comments

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@JohnLeeBUAA
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Is there a way to map the value of json to some new value in hive?
E.g. if import {"key":"value"} pair to a hive table, when I do "select key from table", can I get "substr(value, 3)" instead of just "value"?
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@JohnLeeBUAA