Add sanity check of query

feodor · feodor · commit 1dd6bd19fa7c · 2005-10-31T13:47:09.000Z
diff --git a/contrib/tsearch2/rank.c b/contrib/tsearch2/rank.c
@@ -303,7 +303,8 @@ calc_rank_or(float *w, tsvector * t, QUERYTYPE * q)
 */
                 res = res + ( wjm + resj - wjm/((jm+1)*(jm+1)))/1.64493406685; 
 	}
-	res = res /size;
+	if ( size > 0 )
+		res = res /size;
 	pfree(item);
 	return res;
 }

Original file line number	Diff line number	Diff line change
`@@ -303,7 +303,8 @@ calc_rank_or(float w, tsvector t, QUERYTYPE * q)`
`303`	`303`	`*/`
`304`	`304`	`res = res + ( wjm + resj - wjm/((jm+1)*(jm+1)))/1.64493406685;`
`305`	`305`	`}`
`306`		`- res = res /size;`
	`306`	`+ if ( size > 0 )`
	`307`	`+ res = res /size;`
`307`	`308`	`pfree(item);`
`308`	`309`	`return res;`
`309`	`310`	`}`