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courses:mapreduce-tutorial:step-23 [2012/01/29 23:42] straka |
courses:mapreduce-tutorial:step-23 [2012/01/29 23:48] straka |
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==== Types used in Perl API ==== | ==== Types used in Perl API ==== | ||
The Perl API is always using strings as keys and values. From the Java point of view: | The Perl API is always using strings as keys and values. From the Java point of view: | ||
- | * the type of keys and values produced by Perl API is always '' | + | * the type of keys and values produced by Perl API is always '' |
- | * any type can be used as input to Perl API -- if the type is different from '' | + | * any type can be used as input to Perl API -- if the type is different from '' |
===== Input formats ===== | ===== Input formats ===== |