From 1492ccdd884d610a82cd38fa64304b3c43e37ed3 Mon Sep 17 00:00:00 2001
From: James Cagalawan <james.cagalawan@gmail.com>
Date: Thu, 8 Feb 2018 00:56:30 -0500
Subject: [PATCH] Fix typo in scalable inverted indexing algorithm

The `t_{prev}` variable of the class should be emitted in the reducer's cleanup
method instead of `term t` which is only scoped within the Reduce function.
As noted by a student on the bigdata2018w Piazza.
---
 ed1n/chapter4-indexing.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ed1n/chapter4-indexing.tex b/ed1n/chapter4-indexing.tex
index 1bee2b9..7d76ea9 100644
--- a/ed1n/chapter4-indexing.tex
+++ b/ed1n/chapter4-indexing.tex
@@ -502,7 +502,7 @@ \section{Inverted Indexing: Revised Implementation}
     \State $t_{prev} \gets t$
     \EndProcedure
     \Procedure{Close}{}
-      \State $\textsc{Emit}(\textrm{term }t, \textrm{ postings } P)$
+      \State $\textsc{Emit}(t_{prev}, \textrm{ postings } P)$
     \EndProcedure
     \EndFunction
   \end{algorithmic}