bk commit into 4.0 tree (svoj:1.2127) BUG#11684

[svoj]

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ChangeSet
  1.2127 05/08/02 11:33:26 svoj@stripped +3 -0
  BUG#11684 fix.
  Repair crashes mysql when table has fulltext index.

  mysql-test/t/fulltext.test
    1.49 05/08/02 11:33:24 svoj@stripped +11 -0
    Test case for BUG#11684 - repair crashes mysql when table has fulltext index.

  mysql-test/r/fulltext.result
    1.50 05/08/02 11:33:24 svoj@stripped +8 -0
    Test case for BUG#11684 - repair crashes mysql when table has fulltext index.

  myisam/sort.c
    1.29 05/08/02 11:33:24 svoj@stripped +8 -6
    Use static ft_buf instead of dynamic mergebuf. Latter could be NULL if record has long words.

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	svoj
# Host:	svoj-laptop.mysql.com
# Root:	/home/svoj/devel/mysql/BUG11684/mysql-4.0

--- 1.28/myisam/sort.c	2003-04-28 21:05:55 +05:00
+++ 1.29/myisam/sort.c	2005-08-02 11:33:24 +05:00
@@ -532,13 +532,15 @@
 
       while (!got_error &&
 	     !my_b_read(&sinfo->tempfile_for_exceptions,(byte*)&key_length,
-			sizeof(key_length)) &&
-	     !my_b_read(&sinfo->tempfile_for_exceptions,(byte*)mergebuf,
-			(uint) key_length))
+			sizeof(key_length)))
       {
-	if (_mi_ck_write(info,sinfo->key,(uchar*) mergebuf,
-			 key_length - info->s->rec_reflength))
-	  got_error=1;
+        byte ft_buf[HA_FT_MAXLEN + HA_FT_WLEN + 10];
+        if (key_length > sizeof(ft_buf) ||
+            my_b_read(&sinfo->tempfile_for_exceptions, (byte*)ft_buf,
+                      (uint)key_length) ||
+            _mi_ck_write(info, sinfo->key, (uchar*)ft_buf,
+                         key_length - info->s->rec_reflength))
+          got_error=1;
       }
     }
   }

--- 1.49/mysql-test/r/fulltext.result	2005-02-16 13:13:01 +04:00
+++ 1.50/mysql-test/r/fulltext.result	2005-08-02 11:33:24 +05:00
@@ -321,3 +321,11 @@
 MATCH(a) AGAINST ('nosuchword')
 0
 DROP TABLE t1;
+CREATE TABLE t1 (a VARCHAR(30), FULLTEXT(a));
+INSERT INTO t1 VALUES('bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb');
+SET myisam_repair_threads=2;
+REPAIR TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	repair	status	OK
+SET myisam_repair_threads=@@global.myisam_repair_threads;
+DROP TABLE t1;

--- 1.48/mysql-test/t/fulltext.test	2005-02-16 13:13:01 +04:00
+++ 1.49/mysql-test/t/fulltext.test	2005-08-02 11:33:24 +05:00
@@ -260,3 +260,14 @@
 INSERT INTO t1 VALUES ('testing ft_nlq_find_relevance');
 SELECT MATCH(a) AGAINST ('nosuchword') FROM t1;
 DROP TABLE t1;
+
+#
+# BUG#11684 - repair crashes mysql when table has fulltext index
+#
+
+CREATE TABLE t1 (a VARCHAR(30), FULLTEXT(a));
+INSERT INTO t1 VALUES('bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb');
+SET myisam_repair_threads=2;
+REPAIR TABLE t1;
+SET myisam_repair_threads=@@global.myisam_repair_threads;
+DROP TABLE t1;