+function DB_get_call_by_hash($hash)
+{
+ $queryresult = mysql_query("SELECT point_call FROM Hand WHERE hash='$hash'");
+
+ $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+ if($r)
+ return $r[0];
+
+ return NULL;
+}
+
+function DB_get_partner_call_by_hash($hash)
+{
+ $partner = DB_get_partner_hash_by_hash($hash);
+
+ if($partner)
+ {
+ $queryresult = mysql_query("SELECT point_call FROM Hand WHERE hash='$partner'");
+
+ $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+ if($r)
+ return $r[0];
+ }
+
+ return NULL;
+}
+
+function DB_get_partner_hash_by_hash($hash)
+{
+ $gameid = DB_get_gameid_by_hash($hash);
+ $party = DB_get_party_by_hash($hash);
+
+ $queryresult = mysql_query("SELECT hash FROM Hand WHERE game_id='$gameid' AND party='$party' AND hash<>'$hash'");
+
+ $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+ if($r)
+ return $r[0];
+
+ return NULL;
+}
+