Below is the list of changes that have just been committed into a local
4.0 repository of igor. When igor does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
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ChangeSet
1.2060 05/02/15 18:45:42 igor (AT) rurik (DOT) mysql.com +3 -0
delete.result, delete.test:
Added a test case for bug #8392.
sql_delete.cc:
Fixed bug #8392.
The bug caused a crash for a delete statement with ORDER BY
that explicitly referred to the modified table.

mysql-test/r/delete.result
1.11 05/02/15 18:44:57 igor (AT) rurik (DOT) mysql.com +9 -0
Added a test case for bug #8392.

mysql-test/t/delete.test
1.12 05/02/15 18:44:24 igor (AT) rurik (DOT) mysql.com +11 -0
Added a test case for bug #8392.

sql/sql_delete.cc
1.109 05/02/15 18:43:07 igor (AT) rurik (DOT) mysql.com +1 -0
Fixed bug #8392.
The bug caused a crash for a delete statement with ORDER BY
that explicitly referred to the modified table.

# 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: igor
# Host: rurik.mysql.com
# Root: /home/igor/dev/mysql-4.0-0

--- 1.108/sql/sql_delete.cc Sun Sep 19 04:14:59 2004
+++ 1.109/sql/sql_delete.cc Tue Feb 15 18:43:07 2005
@@ -111,6 +111,7 @@

bzero((char*) &tables,sizeof(tables));
tables.table = table;
+ tables.alias = table_list->alias;

table->io_cache = (IO_CACHE *) my_malloc(sizeof(IO_CACHE),
MYF(MY_FAE | MY_ZEROFILL));

--- 1.11/mysql-test/t/delete.test Fri Oct 1 04:23:08 2004
+++ 1.12/mysql-test/t/delete.test Tue Feb 15 18:44:24 2005
@@ -71,3 +71,14 @@
delete t1 from t1, t1 as t2 where t1.b = t2.b and t1.a > t2.a;
select * from t1;
drop table t1;
+
+#
+# Bug #8392: delete with ORDER BY containing a direct reference to the table
+#
+
+CREATE TABLE t1 ( a int PRIMARY KEY );
+DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
+INSERT INTO t1 VALUES (0),(1),(2);
+DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
+SELECT * FROM t1;
+DROP TABLE t1;

--- 1.10/mysql-test/r/delete.result Fri Oct 1 04:23:18 2004
+++ 1.11/mysql-test/r/delete.result Tue Feb 15 18:44:57 2005
@@ -61,3 +61,12 @@
a b
1 apple
drop table t1;
+CREATE TABLE t1 ( a int PRIMARY KEY );
+DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
+INSERT INTO t1 VALUES (0),(1),(2);
+DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
+SELECT * FROM t1;
+a
+0
+2
+DROP TABLE t1;

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