Index number argument

Fix in test results

heap/hp_rfirst.c

@@ -18,10 +18,10 @@
 
 /* Read first record with the current key */
 
-int heap_rfirst(HP_INFO *info, byte *record)
+int heap_rfirst(HP_INFO *info, byte *record, int inx)
 {
   HP_SHARE *share = info->s;
-  HP_KEYDEF *keyinfo = share->keydef + info->lastinx;
+  HP_KEYDEF *keyinfo = share->keydef + inx;
   
   DBUG_ENTER("heap_rfirst");
   if (keyinfo->algorithm == HA_KEY_ALG_BTREE)

heap/hp_rlast.c

@@ -19,15 +19,12 @@
 	/* Read first record with the current key */
 
 
-int heap_rlast(HP_INFO *info, byte *record)
+int heap_rlast(HP_INFO *info, byte *record, int inx)
 {
-  HP_SHARE *share = info->s;
-  HP_KEYDEF *keyinfo;
+  HP_SHARE *share=    info->s;
+  HP_KEYDEF *keyinfo= share->keydef + inx;
 
   DBUG_ENTER("heap_rlast");
-  if (info->lastinx < 0)
-    DBUG_RETURN(my_errno = HA_ERR_WRONG_INDEX);
-  keyinfo = share->keydef + info->lastinx;
   if (keyinfo->algorithm == HA_KEY_ALG_BTREE)
   {
     byte *pos;

heap/hp_test2.c

@@ -306,7 +306,7 @@ int main(int argc, char *argv[])
     if (!silent)
       printf("- Read last key - delete - prev - prev - opt_delete - prev -> first\n");
 
-    if (heap_rlast(file,record3)) goto err;
+    if (heap_rlast(file,record3,0)) goto err;
     if (heap_delete(file,record3)) goto err;
     key_check-=atoi(record3);
     key1[atoi(record+keyinfo[0].seg[0].start)]--;
@@ -513,7 +513,7 @@ int main(int argc, char *argv[])
   }
 
   ant=0;
-  for (error=heap_rlast(file,record) ;
+  for (error=heap_rlast(file,record,0) ;
       ! error ;
       error=heap_rprev(file,record))
   {

include/heap.h

@@ -161,8 +161,8 @@ extern int heap_panic(enum ha_panic_function flag);
 extern int heap_rsame(HP_INFO *info,byte *record,int inx);
 extern int heap_rnext(HP_INFO *info,byte *record);
 extern int heap_rprev(HP_INFO *info,byte *record);
-extern int heap_rfirst(HP_INFO *info,byte *record);
-extern int heap_rlast(HP_INFO *info,byte *record);
+extern int heap_rfirst(HP_INFO *info,byte *record,int inx);
+extern int heap_rlast(HP_INFO *info,byte *record,int inx);
 extern void heap_clear(HP_INFO *info);
 
 ha_rows hp_rb_records_in_range(HP_INFO *info, int inx, const byte *start_key,

mysql-test/r/heap_btree.result

@@ -124,11 +124,11 @@ create table t1 (id int unsigned not null, primary key  using BTREE (id)) type=H
 insert into t1 values(1);
 select max(id) from t1;
 max(id)
-NULL
+1
 insert into t1 values(2);
 select max(id) from t1;
 max(id)
-NULL
+2
 replace into t1 values(1);
 drop table t1;
 create table t1 (n int) type=heap;

sql/ha_heap.cc

@@ -189,7 +189,7 @@ int ha_heap::index_prev(byte * buf)
 int ha_heap::index_first(byte * buf)
 {
   statistic_increment(ha_read_first_count,&LOCK_status);
-  int error=heap_rfirst(file, buf);
+  int error=heap_rfirst(file, buf, active_index);
   table->status=error ? STATUS_NOT_FOUND: 0;
   return error;
 }
@@ -197,7 +197,7 @@ int ha_heap::index_first(byte * buf)
 int ha_heap::index_last(byte * buf)
 {
   statistic_increment(ha_read_last_count,&LOCK_status);
-  int error=heap_rlast(file, buf);
+  int error=heap_rlast(file, buf, active_index);
   table->status=error ? STATUS_NOT_FOUND: 0;
   return error;
 }