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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 18:05:04 +00:00
parent a82832465b
commit ff25ee0c7a
1 changed files with 3 additions and 1 deletions
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4
contrib/tsearch2/wparser_def.c
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@ -298,12 +298,14 @@ prsd_headline(PG_FUNCTION_ARGS)
if (curlen < min_words && i >= prs->curwords) if (curlen < min_words && i >= prs->curwords)
{ /* got end of text and our cover is shoter { /* got end of text and our cover is shoter
* than min_words */ * than min_words */
for (i = p; i >= 0; i--) for (i = p - 1 ; i >= 0; i--)
{ {
if (!NONWORDTOKEN(prs->words[i].type)) if (!NONWORDTOKEN(prs->words[i].type))
curlen++; curlen++;
if (prs->words[i].item && !prs->words[i].repeated) if (prs->words[i].item && !prs->words[i].repeated)
poslen++; poslen++;
if ( curlen >= max_words )
break;
if (NOENDTOKEN(prs->words[i].type) || prs->words[i].len <= shortword) if (NOENDTOKEN(prs->words[i].type) || prs->words[i].len <= shortword)
continue; continue;
if (curlen >= min_words) if (curlen >= min_words)