mi_write: fix for ft2 when found word (in the tree) has different length as the word to insert

myisam/mi_check.c:
  one more correctness check for CHECK of fulltext indexes

1 files changed, 8 insertions, 0 deletions

diff --git a/myisam/mi_check.c b/myisam/mi_check.c
index 1df518a2712..bf684270c0a 100644
--- a/myisam/mi_check.c
+++ b/myisam/mi_check.c
@@ -656,6 +656,14 @@ static int chk_index(MI_CHECK *param, MI_INFO *info, MI_KEYDEF *keyinfo,
         if (chk_index_down(param,info,&info->s->ft2_keyinfo,record,
                            temp_buff,&tmp_keys,key_checksum,1))
           goto err;
+        if (tmp_keys + subkeys)
+        {
+          mi_check_print_error(param,"Number of words in the 2nd level tree "
+                                  "does not match the number in the header. "
+                                  "Parent word in on the page %s, offset %d",
+                                  llstr(page,llbuff), old_keypos-buff);
+          goto err;
+        }
         (*keys)+=tmp_keys-1;
         continue;
       }