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Fix generation of 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 18:29:47 +00:00
parent b379d53c30
commit f58cccb0b5
1 changed files with 3 additions and 1 deletions
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4
contrib/tsearch2/wparser_def.c
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@ -280,11 +280,13 @@ prsd_headline(PG_FUNCTION_ARGS)
break;
}
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)