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Correct a mistake in levenshtein_less_equal() multibyte character handling. 

Spotted by Alexander Korotkov.

Along the way, remove a misleading comment line.
This commit is contained in:
Robert Haas 2010-10-22 15:27:39 -04:00
parent 57b80b4c46
commit dd1587089c
1 changed files with 1 additions and 2 deletions
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3
contrib/fuzzystrmatch/levenshtein.c
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@ -5,7 +5,6 @@
*
* Joe Conway <mail@joeconway.com>
*
* contrib/fuzzystrmatch/fuzzystrmatch.c
* Copyright (c) 2001-2010, PostgreSQL Global Development Group
* ALL RIGHTS RESERVED;
*
@ -378,7 +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 += n != t_bytes + 1 ? pg_mblen(s_data) : 1;
s_data += s_char_len != NULL ? s_char_len[i - 1] : 1;
start_column++;
}