From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sun, 20 Feb 2011 19:55:07 +0000 (-0500)
Subject: Minor logic fix for new levenshtein implementation.
X-Git-Tag: REL9_1_ALPHA4~124
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=087bd179e63f199105dabc8be0c8aebd087a178e;p=postgresql

Minor logic fix for new levenshtein implementation.

Alexander Korotkov
---

diff --git a/contrib/fuzzystrmatch/Makefile b/contrib/fuzzystrmatch/Makefile
index 74728a30b5..834b679b10 100644
--- a/contrib/fuzzystrmatch/Makefile
+++ b/contrib/fuzzystrmatch/Makefile
@@ -16,3 +16,6 @@ top_builddir = ../..
 include $(top_builddir)/src/Makefile.global
 include $(top_srcdir)/contrib/contrib-global.mk
 endif
+
+# levenshtein.c is #included by fuzzystrmatch.c
+fuzzystrmatch.o: fuzzystrmatch.c levenshtein.c
diff --git a/contrib/fuzzystrmatch/levenshtein.c b/contrib/fuzzystrmatch/levenshtein.c
index 30a517f5f9..3d85d4175f 100644
--- a/contrib/fuzzystrmatch/levenshtein.c
+++ b/contrib/fuzzystrmatch/levenshtein.c
@@ -377,7 +377,7 @@ levenshtein_internal(text *s, text *t,
 				prev[start_column] = max_d + 1;
 				curr[start_column] = max_d + 1;
 				if (start_column != 0)
-					s_data += s_char_len != NULL ? s_char_len[i - 1] : 1;
+					s_data += (s_char_len != NULL) ? s_char_len[start_column - 1] : 1;
 				start_column++;
 			}