Abstract
In the previous chapter, you learned how to write user-defined functions. In this chapter, you will learn in detail how to write Eval functions using Java and how to access MapReduce features and Pig features inside Eval functions.
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© 2016 Balaswamy Vaddeman
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Vaddeman, B. (2016). Writing Eval Functions. In: Beginning Apache Pig. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-2337-6_12
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DOI: https://doi.org/10.1007/978-1-4842-2337-6_12
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Publisher Name: Apress, Berkeley, CA
Print ISBN: 978-1-4842-2336-9
Online ISBN: 978-1-4842-2337-6
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