Added --skip-safemalloc to mysqltest

Added bug fix from 3.23 for AIX 4.3.3 and gcc 3.x
Small change in EXCHANGE output
Propagate open-files-limit from mysqld_safe -> mysqld
Fixed speed bug in GROUP BY
Added quotes around database name in CREATE DATABASE db_name (for binary log)


BitKeeper/etc/ignore:
  added stamp-h1
Docs/manual.texi:
  Added 4.1 manual section
  Updated changelog
client/mysqltest.c:
  Added --skip-safemalloc
include/my_global.h:
  Added bug fix from 3.23 for AIX 4.3.3 and gcc 3.x
mysql-test/mysql-test-run.sh:
  Start mysqltest with --skip-safemalloc (To get it faster)
mysql-test/r/bdb.result:
  Update for new EXPLAIN output
mysql-test/r/compare.result:
  Update for new EXPLAIN output
mysql-test/r/create.result:
  Update for new EXPLAIN output
mysql-test/r/distinct.result:
  Update for new EXPLAIN output
mysql-test/r/explain.result:
  Update for new EXPLAIN output
mysql-test/r/group_by.result:
  Update for new EXPLAIN output
mysql-test/r/heap.result:
  Update for new EXPLAIN output
mysql-test/r/innodb.result:
  Update for new EXPLAIN output
mysql-test/r/join_outer.result:
  Update for new EXPLAIN output
mysql-test/r/key_diff.result:
  Update for new EXPLAIN output
mysql-test/r/merge.result:
  Update for new EXPLAIN output
mysql-test/r/null_key.result:
  Update for new EXPLAIN output
mysql-test/r/order_by.result:
  Update for new EXPLAIN output
mysql-test/r/select.result:
  Update for new EXPLAIN output
mysql-test/r/temp_table.result:
  Fixed speed bug in GROUP BY
mysql-test/r/type_datetime.result:
  Update for new EXPLAIN output
mysql-test/r/user_var.result:
  Update for new EXPLAIN output
mysql-test/r/variables.result:
  Removed variable safe_show_database
mysql-test/t/temp_table.test:
  Fixed speed bug in GROUP BY
mysql-test/t/variables.test:
  Removed not used variable safe_show_databases
scripts/mysqld_safe.sh:
  Propagate open-files-limit from mysqld_safe -> mysqld
sql/mysqld.cc:
  Removed variable safe_show_database
sql/set_var.cc:
  Removed variable safe_show_database
sql/slave.cc:
  Updated error message
sql/sql_db.cc:
  Added quotes around database name in CREATE DATABASE db_name
sql/sql_select.cc:
  Fixed speed bug in GROUP BY

1 files changed, 18 insertions, 0 deletions

diff --git a/mysql-test/t/temp_table.test b/mysql-test/t/temp_table.test
index 3cf18bae9fe..10168cf13c7 100644
--- a/mysql-test/t/temp_table.test
+++ b/mysql-test/t/temp_table.test
@@ -60,3 +60,21 @@ insert into t2 values (1,1),(2,1),(3,1),(4,2);
 # do a query using ELT, a join and an ORDER BY.
 select one.id, two.val, elt(two.val,'one','two') from t1 one, t2 two where two.id=one.id order by one.id;
 drop table t1,t2;
+
+#
+# In MySQL 4.0.4 doing a GROUP BY on a NULL column created a disk based
+# temporary table when a memory based one would be good enough.
+
+drop table if exists t1;
+
+CREATE TABLE t1 (
+  d datetime default NULL
+) TYPE=MyISAM;
+
+
+INSERT INTO t1 VALUES ('2002-10-24 14:50:32'),('2002-10-24 14:50:33'),('2002-10-24 14:50:34'),('2002-10-24 14:50:34'),('2002-10-24 14:50:34'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:38'),('2002-10-24 14:50:38'),('2002-10-24 14:50:38'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:40'),('2002-10-24 14:50:40'),('2002-10-24 14:50:40');
+
+flush status;
+select * from t1 group by d;
+show status like "created_tmp%tables";
+drop table t1;