Fix small bug in headline generation.

Patch from Sushant Sinha <sushant354@gmail.com>
http://archives.postgresql.org/pgsql-hackers/2008-07/msg00785.php

diff --git a/src/backend/tsearch/wparser_def.c b/src/backend/tsearch/wparser_def.c
index 2e72099c3093089969fe72b2039279871f6b1294..d444b76808b18ba84e4724a2d081cefe67947d43 100644 (file)
--- 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 1.14 2008/01/01 19:45:52 momjian Exp $
+ *       $PostgreSQL: pgsql/src/backend/tsearch/wparser_def.c,v 1.14.2.1 2008/10/17 17:32:59 teodor Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1621,7 +1621,7 @@ hlCover(HeadlineParsedText *prs, TSQuery query, int *p, int *q)
        QueryItem  *item = GETQUERY(query);
        int                     pos = *p;
 
-       *q = 0;
+       *q = -1;
        *p = 0x7fffffff;
 
        for (j = 0; j < query->size; j++)
@@ -1643,7 +1643,7 @@ hlCover(HeadlineParsedText *prs, TSQuery query, int *p, int *q)
                item++;
        }
 
-       if (*q == 0)
+       if (*q < 0)
                return false;
 
        item = GETQUERY(query);