From 8fd07a35bab33f38c367da145bb3e19e93e86c4f Mon Sep 17 00:00:00 2001
From: Teodor Sigaev <teodor@sigaev.ru>
Date: Thu, 15 Jan 2009 16:33:28 +0000
Subject: [PATCH] Fix generation too long headline with ShortWords. Per
http://archives.postgresql.org/pgsql-hackers/2008-09/msg01088.php
---
src/backend/tsearch/wparser_def.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/backend/tsearch/wparser_def.c b/src/backend/tsearch/wparser_def.c
index da644c3c2ec..1943c1143ce 100644
--- a/src/backend/tsearch/wparser_def.c
+++ b/src/backend/tsearch/wparser_def.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/tsearch/wparser_def.c,v 1.18 2009/01/01 17:23:48 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/tsearch/wparser_def.c,v 1.19 2009/01/15 16:33:28 teodor Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1921,6 +1921,7 @@ mark_hl_fragments(HeadlineParsedText *prs, TSQuery query, int highlight,
}
pfree(covers);
}
+
static void
mark_hl_words(HeadlineParsedText *prs, TSQuery query, int highlight,
int shortword, int min_words, int max_words)
@@ -1981,12 +1982,14 @@ mark_hl_words(HeadlineParsedText *prs, TSQuery query, int highlight,
if (curlen < min_words && i >= prs->curwords)
{ /* got end of text and our cover is shoter
* than min_words */
- for (i = p; i >= 0; i--)
+ for (i = p - 1; i >= 0; i--)
{
if (!NONWORDTOKEN(prs->words[i].type))
curlen++;
if (prs->words[i].item && !prs->words[i].repeated)
poslen++;
+ if ( curlen >= max_words )
+ break;
if (NOENDTOKEN(prs->words[i].type) || prs->words[i].len <= shortword)
continue;
if (curlen >= min_words)
--
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