From e35880e0b86ea38412b1c5e94a99aa995f071564 Mon Sep 17 00:00:00 2001
From: unknown <serg@serg.mylan>
Date: Tue, 27 Apr 2004 21:17:10 +0200
Subject: after-merge fix: make concurrent-insert-skip code ft2-aware

mysql-test/t/func_group.test:
  no innodb is not an error
---
 myisam/ft_boolean_search.c | 16 +++++++++++++---
 myisam/ft_nlq_search.c     |  9 +++++----
 2 files changed, 18 insertions(+), 7 deletions(-)

(limited to 'myisam')

diff --git a/myisam/ft_boolean_search.c b/myisam/ft_boolean_search.c
index 2a1c07acf0b..90647990ee8 100644
--- a/myisam/ft_boolean_search.c
+++ b/myisam/ft_boolean_search.c
@@ -205,6 +205,7 @@ static int _ft2_search(FTB *ftb, FTB_WORD *ftbw, my_bool init_search)
   int r;
   uint off;
   int subkeys;
+  my_bool can_go_down;
   MI_INFO *info=ftb->info;
 
   if (init_search)
@@ -222,11 +223,22 @@ static int _ft2_search(FTB *ftb, FTB_WORD *ftbw, my_bool init_search)
                    USE_WHOLE_KEY, SEARCH_BIGGER, ftbw->key_root);
   }
 
+  can_go_down=(!ftbw->off && (init_search || (ftbw->flags & FTB_FLAG_TRUNC)));
   /* Skip rows inserted by concurrent insert */
-  while (!r && info->lastpos >= info->state->data_file_length)
+  while (!r)
+  {
+    if (can_go_down)
+    {
+      /* going down ? */
+      off=info->lastkey_length-HA_FT_WLEN-info->s->base.rec_reflength;
+      subkeys=ft_sintXkorr(info->lastkey+off);
+    }
+    if (subkeys<0 || info->lastpos < info->state->data_file_length)
+      break;
     r= _mi_search_next(info, ftbw->keyinfo, info->lastkey,
                        info->lastkey_length,
 		       SEARCH_BIGGER, ftbw->key_root);
+  }
 
   if (!r && !ftbw->off)
   {
@@ -270,8 +282,6 @@ static int _ft2_search(FTB *ftb, FTB_WORD *ftbw, my_bool init_search)
   if (!ftbw->off && (init_search || (ftbw->flags & FTB_FLAG_TRUNC)))
   {
     /* going down ? */
-    get_key_full_length_rdonly(off, info->lastkey);
-    subkeys=ft_sintXkorr(info->lastkey+off);
     if (subkeys<0)
     {
       /*
diff --git a/myisam/ft_nlq_search.c b/myisam/ft_nlq_search.c
index f8ca7e96564..9b42d51ab55 100644
--- a/myisam/ft_nlq_search.c
+++ b/myisam/ft_nlq_search.c
@@ -90,6 +90,7 @@ static int walk_and_match(FT_WORD *word, uint32 count, ALL_IN_ONE *aio)
 
   /* Skip rows inserted by current inserted */
   for (r=_mi_search(info, keyinfo, keybuff, keylen, SEARCH_FIND, key_root) ;
+       (subkeys=ft_sintXkorr(info->lastkey+info->lastkey_length-extra)) > 0 &&
        !r && info->lastpos >= info->state->data_file_length ;
        r= _mi_search_next(info, keyinfo, info->lastkey,
                           info->lastkey_length, SEARCH_BIGGER, key_root))
@@ -105,7 +106,6 @@ static int walk_and_match(FT_WORD *word, uint32 count, ALL_IN_ONE *aio)
                         info->lastkey_length-extra-1, keybuff+1,keylen-1,0,0))
      break;
 
-    subkeys=ft_sintXkorr(info->lastkey+info->lastkey_length-extra);
     if (subkeys<0)
     {
       if (doc_cnt)
@@ -119,7 +119,7 @@ static int walk_and_match(FT_WORD *word, uint32 count, ALL_IN_ONE *aio)
       key_root=info->lastpos;
       keylen=0;
       r=_mi_search_first(info, keyinfo, key_root);
-      continue;
+      goto do_skip;
     }
 #if HA_FT_WTYPE == HA_KEYTYPE_FLOAT
     tmp_weight=*(float*)&subkeys;
@@ -157,8 +157,9 @@ static int walk_and_match(FT_WORD *word, uint32 count, ALL_IN_ONE *aio)
     else
 	r=_mi_search(info, keyinfo, info->lastkey, info->lastkey_length,
                      SEARCH_BIGGER, key_root);
-
-    while (!r && info->lastpos >= info->state->data_file_length)
+do_skip:
+    while ((subkeys=ft_sintXkorr(info->lastkey+info->lastkey_length-extra)) > 0 &&
+           !r && info->lastpos >= info->state->data_file_length)
       r= _mi_search_next(info, keyinfo, info->lastkey, info->lastkey_length,
                          SEARCH_BIGGER, key_root);
 
-- 
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