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Fix generation too long headline with ShortWords.

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Per http://archives.postgresql.org/pgsql-hackers/2008-09/msg01088.php
This commit is contained in:
Teodor Sigaev 2009-01-15 16:33:28 +00:00
parent f8c8386a08
commit 8fd07a35ba
1 changed files with 5 additions and 2 deletions
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7
src/backend/tsearch/wparser_def.c
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@ -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)