bk commit into 4.1 tree (svoj:1.2470) BUG#14496

[Sergey Vojtovich]

Below is the list of changes that have just been committed into a local
4.1 repository of svoj. When svoj does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
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see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2470 06/02/01 20:40:12 svoj@april.(none) +3 -0
  BUG#14496: Crash or strange results with prepared statement,
             MATCH and FULLTEXT
  Fixed that fulltext query using PS results in unexpected behaviour
  when executed 2 or more times.

  sql/item_func.h
    1.128 06/02/01 20:40:10 svoj@april.(none) +1 -1
    In Item_func_match::cleanup() always reset ft_handler to 0.

  mysql-test/t/fulltext.test
    1.77 06/02/01 20:40:10 svoj@april.(none) +12 -0
    Testcase for BUG#14496.

  mysql-test/r/fulltext.result
    1.78 06/02/01 20:40:10 svoj@april.(none) +11 -0
    Testcase for BUG#14496.

# 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:	april.(none)
# Root:	/home/svoj/devel/mysql/BUG14496/mysql-4.1

--- 1.127/sql/item_func.h	2005-11-10 18:12:18 +04:00
+++ 1.128/sql/item_func.h	2006-02-01 20:40:10 +04:00
@@ -1056,7 +1056,6 @@
     if (!master && ft_handler)
     {
       ft_handler->please->close_search(ft_handler);
-      ft_handler=0;
       if (join_key)
 	table->file->ft_handler=0;
       table->fulltext_searched=0;
@@ -1066,6 +1065,7 @@
       delete concat;
       concat= 0;
     }
+    ft_handler= 0;
     DBUG_VOID_RETURN;
   }
   enum Functype functype() const { return FT_FUNC; }

--- 1.77/mysql-test/r/fulltext.result	2005-11-26 22:35:59 +04:00
+++ 1.78/mysql-test/r/fulltext.result	2006-02-01 20:40:10 +04:00
@@ -436,3 +436,14 @@
 a
 testword''
 DROP TABLE t1;
+CREATE TABLE t1 (a TEXT, FULLTEXT KEY(a));
+INSERT INTO t1 VALUES('test'),('test1'),('test');
+PREPARE stmt from "SELECT a, MATCH(a) AGAINST('test1 test') FROM t1 WHERE MATCH(a)
AGAINST('test1 test')";
+EXECUTE stmt;
+a	MATCH(a) AGAINST('test1 test')
+test1	0.68526661396027
+EXECUTE stmt;
+a	MATCH(a) AGAINST('test1 test')
+test1	0.68526661396027
+DEALLOCATE PREPARE stmt;
+DROP TABLE t1;

--- 1.76/mysql-test/t/fulltext.test	2005-11-26 22:35:59 +04:00
+++ 1.77/mysql-test/t/fulltext.test	2006-02-01 20:40:10 +04:00
@@ -357,4 +357,16 @@
 SELECT a FROM t1 WHERE MATCH a AGAINST('testword\'\'' IN BOOLEAN MODE);
 DROP TABLE t1;
 
+#
+# BUG#14496: Crash or strange results with prepared statement,
+#            MATCH and FULLTEXT
+#
+CREATE TABLE t1 (a TEXT, FULLTEXT KEY(a));
+INSERT INTO t1 VALUES('test'),('test1'),('test');
+PREPARE stmt from "SELECT a, MATCH(a) AGAINST('test1 test') FROM t1 WHERE MATCH(a)
AGAINST('test1 test')";
+EXECUTE stmt;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+DROP TABLE t1;
+
 # End of 4.1 tests