1
0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

Merge with 4.1

Makefile.am:
  Auto merged
myisam/mi_create.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
mysql-test/r/ctype_utf8.result:
  Auto merged
mysys/thr_alarm.c:
  Auto merged
VC++Files/sql/mysqld.dsp:
  Keep old
client/mysqldump.c:
  Manual merge
client/mysqltest.c:
  Automatic merge
configure.in:
  Manual merge
mysql-test/r/ctype_ucs.result:
  Auto merge
mysql-test/r/func_str.result:
  Auto merge
mysql-test/r/group_by.result:
  Auto merge
mysql-test/r/insert_select.result:
  Auto merge
mysql-test/r/insert_update.result:
  Auto merge
mysql-test/r/lowercase_table2.result:
  Auto merge
mysql-test/r/select.result:
  Manual merge
mysql-test/r/variables.result:
  Auto merge
mysql-test/t/ctype_ucs.test:
  Auto merge
mysql-test/t/func_str.test:
  Auto merge
mysql-test/t/group_by.test:
  Auto merge
mysql-test/t/insert_select.test:
  Auto merge
mysql-test/t/insert_update.test:
  Auto merge
mysql-test/t/ndb_alter_table.test:
  Auto merge
mysql-test/t/select.test:
  Auto merge
mysql-test/t/variables.test:
  Auto merge
mysys/my_access.c:
  Auto merge
scripts/make_win_src_distribution.sh:
  Auto merge
sql/field.cc:
  Manual merge
sql/ha_ndbcluster.cc:
  Auto merge
sql/handler.cc:
  Auto merge
sql/item.cc:
  Auto merge
sql/item.h:
  Manual merge
sql/item_cmpfunc.h:
  Auto merge
sql/item_strfunc.cc:
  Auto merge
sql/item_strfunc.h:
  Auto merge
sql/mysql_priv.h:
  manual merge
sql/mysqld.cc:
  manual merge
sql/opt_range.cc:
  manual merge
sql/set_var.cc:
  Auto merge
sql/sql_base.cc:
  manual merge
  Restore processing of ON DUPLICATE KEY UPDATE
sql/sql_insert.cc:
  manual merge
  Restore processing of ON DUPLICATE KEY UPDATE
  Simplify mysql_prepare_insert by using local variable for select_lex and save old values just before they are changed
sql/sql_parse.cc:
  Restore processing of ON DUPLICATE KEY UPDATE
sql/sql_prepare.cc:
  New ON DUPLICATE KEY UPDATE handling
sql/sql_select.cc:
  manual merge
sql/sql_table.cc:
  auto merge
sql/sql_yacc.yy:
  auto merge
strings/ctype-ucs2.c:
  auto merge
strings/ctype-utf8.c:
  auto merge
This commit is contained in:
unknown
2005-07-03 14:17:52 +03:00
50 changed files with 521 additions and 239 deletions

View File

@ -638,6 +638,17 @@ Warnings:
Warning 1264 Out of range value adjusted for column 'Field1' at row 1
DROP TABLE t1;
SET NAMES latin1;
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=MyISAM DEFAULT CHARSET=ucs2 COLLATE ucs2_general_ci;
insert into t1 values (0x803d);
insert into t1 values (0x005b);
select hex(a) from t1;
hex(a)
005B
803D
drop table t1;
CREATE TABLE t1 (a varchar(64) character set ucs2, b decimal(10,3));
INSERT INTO t1 VALUES ("1.1", 0), ("2.1", 0);
update t1 set b=a;

View File

@ -939,3 +939,14 @@ content msisdn
ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми 1234567890
11 g 1234567890
DROP TABLE t1,t2;
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE utf8_general_ci;
insert into t1 values (_utf8 0xe880bd);
insert into t1 values (_utf8 0x5b);
select hex(a) from t1;
hex(a)
5B
E880BD
drop table t1;

View File

@ -128,18 +128,12 @@ Error 1108 Incorrect parameters to procedure 'des_encrypt'
select des_encrypt(NULL);
des_encrypt(NULL)
NULL
Warnings:
Error 1108 Incorrect parameters to procedure 'des_encrypt'
select des_encrypt(NULL, 10);
des_encrypt(NULL, 10)
NULL
Warnings:
Error 1108 Incorrect parameters to procedure 'des_encrypt'
select des_encrypt(NULL, NULL);
des_encrypt(NULL, NULL)
NULL
Warnings:
Error 1108 Incorrect parameters to procedure 'des_encrypt'
select des_encrypt(10, NULL);
des_encrypt(10, NULL)
NULL
@ -156,18 +150,12 @@ hello
select des_decrypt(NULL);
des_decrypt(NULL)
NULL
Warnings:
Error 1108 Incorrect parameters to procedure 'des_decrypt'
select des_decrypt(NULL, 10);
des_decrypt(NULL, 10)
NULL
Warnings:
Error 1108 Incorrect parameters to procedure 'des_decrypt'
select des_decrypt(NULL, NULL);
des_decrypt(NULL, NULL)
NULL
Warnings:
Error 1108 Incorrect parameters to procedure 'des_decrypt'
select des_decrypt(10, NULL);
des_decrypt(10, NULL)
10

View File

@ -23,6 +23,11 @@ des_encrypt("test", NULL)
NULL
Warnings:
Error 1289 The 'des_encrypt' feature is disabled; you need MySQL built with '--with-openssl' to have it working
select des_encrypt(NULL, NULL);
des_encrypt(NULL, NULL)
NULL
Warnings:
Error 1289 The 'des_encrypt' feature is disabled; you need MySQL built with '--with-openssl' to have it working
select des_decrypt("test", 'anotherkeystr');
des_decrypt("test", 'anotherkeystr')
NULL

View File

@ -811,3 +811,53 @@ SELECT * FROM t1, t2 WHERE num=substring(str from 1 for 6);
str num
notnumber 0
DROP TABLE t1,t2;
CREATE TABLE t1(
id int(11) NOT NULL auto_increment,
pc int(11) NOT NULL default '0',
title varchar(20) default NULL,
PRIMARY KEY (id)
);
INSERT INTO t1 VALUES
(1, 0, 'Main'),
(2, 1, 'Toys'),
(3, 1, 'Games');
SELECT t1.id, CONCAT_WS('->', t3.title, t2.title, t1.title) as col1
FROM t1 LEFT JOIN t1 AS t2 ON t1.pc=t2.id
LEFT JOIN t1 AS t3 ON t2.pc=t3.id;
id col1
1 Main
2 Main->Toys
3 Main->Games
SELECT t1.id, CONCAT_WS('->', t3.title, t2.title, t1.title) as col1
FROM t1 LEFT JOIN t1 AS t2 ON t1.pc=t2.id
LEFT JOIN t1 AS t3 ON t2.pc=t3.id
WHERE CONCAT_WS('->', t3.title, t2.title, t1.title) LIKE '%Toys%';
id col1
2 Main->Toys
DROP TABLE t1;
CREATE TABLE t1(
trackid int(10) unsigned NOT NULL auto_increment,
trackname varchar(100) NOT NULL default '',
PRIMARY KEY (trackid)
);
CREATE TABLE t2(
artistid int(10) unsigned NOT NULL auto_increment,
artistname varchar(100) NOT NULL default '',
PRIMARY KEY (artistid)
);
CREATE TABLE t3(
trackid int(10) unsigned NOT NULL,
artistid int(10) unsigned NOT NULL,
PRIMARY KEY (trackid,artistid)
);
INSERT INTO t1 VALUES (1, 'April In Paris'), (2, 'Autumn In New York');
INSERT INTO t2 VALUES (1, 'Vernon Duke');
INSERT INTO t3 VALUES (1,1);
SELECT CONCAT_WS(' ', trackname, artistname) trackname, artistname
FROM t1 LEFT JOIN t3 ON t1.trackid=t3.trackid
LEFT JOIN t2 ON t2.artistid=t3.artistid
WHERE CONCAT_WS(' ', trackname, artistname) LIKE '%In%';
trackname artistname
April In Paris Vernon Duke Vernon Duke
Autumn In New York NULL
DROP TABLE t1,t2,t3;

View File

@ -721,6 +721,12 @@ SELECT hostname, COUNT(DISTINCT user_id) as no FROM t1
WHERE hostname LIKE '%aol%'
GROUP BY hostname;
hostname no
CREATE TABLE t1 (n int);
INSERT INTO t1 VALUES (1);
SELECT n+1 AS n FROM t1 GROUP BY n;
n
2
DROP TABLE t1;
cache-dtc-af05.proxy.aol.com 1
DROP TABLE t1;
CREATE TABLE t1 (a int, b int);

View File

@ -1,4 +1,4 @@
drop table if exists t1,t2;
drop table if exists t1,t2,t3;
create table t1 (bandID MEDIUMINT UNSIGNED NOT NULL PRIMARY KEY, payoutID SMALLINT UNSIGNED NOT NULL);
insert into t1 (bandID,payoutID) VALUES (1,6),(2,6),(3,4),(4,9),(5,10),(6,1),(7,12),(8,12);
create table t2 (payoutID SMALLINT UNSIGNED NOT NULL PRIMARY KEY);
@ -636,16 +636,35 @@ ff1 ff2
drop table t1, t2;
create table t1 (a int unique);
create table t2 (a int, b int);
create table t3 (c int, d int);
insert into t1 values (1),(2);
insert into t2 values (1,2);
insert into t3 values (1,6),(3,7);
select * from t1;
a
1
2
insert into t1 select t2.a from t2 on duplicate key update a= a + t2.b;
insert into t1 select a from t2 on duplicate key update a= t1.a + t2.b;
select * from t1;
a
2
3
drop table t1;
drop table t2;
insert into t1 select a+1 from t2 on duplicate key update t1.a= t1.a + t2.b+1;
select * from t1;
a
3
5
insert into t1 select t3.c from t3 on duplicate key update a= a + t3.d;
select * from t1;
a
1
5
10
insert into t1 select t2.a from t2 group by t2.a on duplicate key update a= a + 10;
insert into t1 select t2.a from t2 on duplicate key update a= a + t2.b;
ERROR 23000: Column 'a' in field list is ambiguous
insert into t1 select t2.a from t2 on duplicate key update t2.a= a + t2.b;
ERROR 42S02: Unknown table 't2' in field list
insert into t1 select t2.a from t2 group by t2.a on duplicate key update a= t1.a + t2.b;
ERROR 42S02: Unknown table 't2' in field list
drop table t1,t2,t3;

View File

@ -143,7 +143,7 @@ INSERT t1 VALUES (1,2,10), (3,4,20);
CREATE TABLE t2 (a INT, b INT, c INT, d INT);
INSERT t2 VALUES (5,6,30,1), (7,4,40,1), (8,9,60,1);
INSERT t2 VALUES (2,1,11,2), (7,4,40,2);
INSERT t1 SELECT a,b,c FROM t2 WHERE d=1 ON DUPLICATE KEY UPDATE c=c+100;
INSERT t1 SELECT a,b,c FROM t2 WHERE d=1 ON DUPLICATE KEY UPDATE c=t1.c+100;
SELECT * FROM t1;
a b c
1 2 10
@ -158,6 +158,8 @@ a b c
5 0 30
8 9 60
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=c+VALUES(a);
ERROR 23000: Column 'c' in field list is ambiguous
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=t1.c+VALUES(t1.a);
SELECT *, VALUES(a) FROM t1;
a b c VALUES(a)
1 2 10 NULL
@ -174,7 +176,7 @@ select * from t1;
a
1
2
insert ignore into t1 select a from t1 on duplicate key update a=a+1 ;
insert ignore into t1 select a from t1 as t2 on duplicate key update a=t1.a+1 ;
select * from t1;
a
1
@ -185,5 +187,7 @@ a
2
3
insert into t1 select a from t1 on duplicate key update a=a+1 ;
ERROR 23000: Duplicate entry '3' for key 1
ERROR 23000: Column 'a' in field list is ambiguous
insert ignore into t1 select a from t1 on duplicate key update a=t1.a+1 ;
ERROR 23000: Column 't1.a' in field list is ambiguous
drop table t1;

View File

@ -1,6 +1,7 @@
DROP TABLE IF EXISTS t1,t2,t3;
DROP TABLE IF EXISTS t1,t2,t3,t2aA,t1Aa;
DROP DATABASE IF EXISTS `TEST_$1`;
DROP DATABASE IF EXISTS `test_$1`;
DROP DATABASE mysqltest_LC2;
CREATE TABLE T1 (a int);
INSERT INTO T1 VALUES (1);
SHOW TABLES LIKE "T1";

View File

@ -2681,6 +2681,15 @@ SELECT COUNT(*) FROM t1 WHERE
AND FK_firma_id = 2;
COUNT(*)
0
CREATE TABLE `t1` ( `gid` int(11) default NULL, `uid` int(11) default NULL);
CREATE TABLE `t2` ( `ident` int(11) default NULL, `level` char(16) default NULL);
INSERT INTO `t2` VALUES (0,'READ');
CREATE TABLE `t3` ( `id` int(11) default NULL, `name` char(16) default NULL);
INSERT INTO `t3` VALUES (1,'fs');
select * from t3 left join t1 on t3.id = t1.uid, t2 where t2.ident in (0, t1.gid, t3.id, 0);
id name gid uid ident level
1 fs NULL NULL 0 READ
drop table t1,t2,t3;
drop table t1;
CREATE TABLE t1 (a int);
CREATE TABLE t2 (a int);

View File

@ -504,10 +504,10 @@ t1 CREATE TABLE `t1` (
`c4` double default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
SET GLOBAL MYISAM_DATA_POINTER_SIZE= 8;
SET GLOBAL MYISAM_DATA_POINTER_SIZE= 7;
SHOW VARIABLES LIKE 'MYISAM_DATA_POINTER_SIZE';
Variable_name Value
myisam_data_pointer_size 8
myisam_data_pointer_size 7
SET GLOBAL table_cache=-1;
SHOW VARIABLES LIKE 'table_cache';
Variable_name Value

View File

@ -407,6 +407,18 @@ INSERT INTO t1 VALUES ('-1');
DROP TABLE t1;
SET NAMES latin1;
#
# Bug#9557 MyISAM utf8 table crash
#
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=MyISAM DEFAULT CHARSET=ucs2 COLLATE ucs2_general_ci;
insert into t1 values (0x803d);
insert into t1 values (0x005b);
select hex(a) from t1;
drop table t1;
#
# Conversion from an UCS2 string to a decimal column
#

View File

@ -788,3 +788,15 @@ INSERT INTO t2 VALUES ('1234567890',2,'2005-05-24 13:53:25');
SELECT content, t2.msisdn FROM t1, t2 WHERE t1.msisdn = '1234567890';
DROP TABLE t1,t2;
#
# Bug#9557 MyISAM utf8 table crash
#
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE utf8_general_ci;
insert into t1 values (_utf8 0xe880bd);
insert into t1 values (_utf8 0x5b);
select hex(a) from t1;
drop table t1;

View File

@ -9,6 +9,7 @@ select des_encrypt("test", 1);
select des_encrypt("test", 9);
select des_encrypt("test", 100);
select des_encrypt("test", NULL);
select des_encrypt(NULL, NULL);
select des_decrypt("test", 'anotherkeystr');
select des_decrypt(1, 1);
select des_decrypt(des_encrypt("test", 'thekey'));

View File

@ -543,3 +543,59 @@ SELECT * FROM t1, t2 WHERE num=str;
SELECT * FROM t1, t2 WHERE num=substring(str from 1 for 6);
DROP TABLE t1,t2;
#
# Bug #11469: NOT NULL optimization wrongly used for arguments of CONCAT_WS
#
CREATE TABLE t1(
id int(11) NOT NULL auto_increment,
pc int(11) NOT NULL default '0',
title varchar(20) default NULL,
PRIMARY KEY (id)
);
INSERT INTO t1 VALUES
(1, 0, 'Main'),
(2, 1, 'Toys'),
(3, 1, 'Games');
SELECT t1.id, CONCAT_WS('->', t3.title, t2.title, t1.title) as col1
FROM t1 LEFT JOIN t1 AS t2 ON t1.pc=t2.id
LEFT JOIN t1 AS t3 ON t2.pc=t3.id;
SELECT t1.id, CONCAT_WS('->', t3.title, t2.title, t1.title) as col1
FROM t1 LEFT JOIN t1 AS t2 ON t1.pc=t2.id
LEFT JOIN t1 AS t3 ON t2.pc=t3.id
WHERE CONCAT_WS('->', t3.title, t2.title, t1.title) LIKE '%Toys%';
DROP TABLE t1;
CREATE TABLE t1(
trackid int(10) unsigned NOT NULL auto_increment,
trackname varchar(100) NOT NULL default '',
PRIMARY KEY (trackid)
);
CREATE TABLE t2(
artistid int(10) unsigned NOT NULL auto_increment,
artistname varchar(100) NOT NULL default '',
PRIMARY KEY (artistid)
);
CREATE TABLE t3(
trackid int(10) unsigned NOT NULL,
artistid int(10) unsigned NOT NULL,
PRIMARY KEY (trackid,artistid)
);
INSERT INTO t1 VALUES (1, 'April In Paris'), (2, 'Autumn In New York');
INSERT INTO t2 VALUES (1, 'Vernon Duke');
INSERT INTO t3 VALUES (1,1);
SELECT CONCAT_WS(' ', trackname, artistname) trackname, artistname
FROM t1 LEFT JOIN t3 ON t1.trackid=t3.trackid
LEFT JOIN t2 ON t2.artistid=t3.artistid
WHERE CONCAT_WS(' ', trackname, artistname) LIKE '%In%';
DROP TABLE t1,t2,t3;

View File

@ -543,6 +543,18 @@ SELECT hostname, COUNT(DISTINCT user_id) as no FROM t1
DROP TABLE t1;
#
#
# Test for bug #11414: crash on Windows for a simple GROUP BY query
#
CREATE TABLE t1 (n int);
INSERT INTO t1 VALUES (1);
SELECT n+1 AS n FROM t1 GROUP BY n;
DROP TABLE t1;
# Test for bug #8614: GROUP BY 'const' with DISTINCT
#

View File

@ -3,7 +3,7 @@
#
--disable_warnings
drop table if exists t1,t2;
drop table if exists t1,t2,t3;
--enable_warnings
create table t1 (bandID MEDIUMINT UNSIGNED NOT NULL PRIMARY KEY, payoutID SMALLINT UNSIGNED NOT NULL);
@ -180,10 +180,24 @@ drop table t1, t2;
#
create table t1 (a int unique);
create table t2 (a int, b int);
create table t3 (c int, d int);
insert into t1 values (1),(2);
insert into t2 values (1,2);
insert into t3 values (1,6),(3,7);
select * from t1;
insert into t1 select a from t2 on duplicate key update a= t1.a + t2.b;
select * from t1;
insert into t1 select a+1 from t2 on duplicate key update t1.a= t1.a + t2.b+1;
select * from t1;
insert into t1 select t3.c from t3 on duplicate key update a= a + t3.d;
select * from t1;
insert into t1 select t2.a from t2 group by t2.a on duplicate key update a= a + 10;
#Some error cases
--error 1052
insert into t1 select t2.a from t2 on duplicate key update a= a + t2.b;
select * from t1;
drop table t1;
drop table t2;
--error 1109
insert into t1 select t2.a from t2 on duplicate key update t2.a= a + t2.b;
--error 1109
insert into t1 select t2.a from t2 group by t2.a on duplicate key update a= t1.a + t2.b;
drop table t1,t2,t3;

View File

@ -72,11 +72,13 @@ CREATE TABLE t2 (a INT, b INT, c INT, d INT);
# column names deliberately clash with columns in t1 (Bug#8147)
INSERT t2 VALUES (5,6,30,1), (7,4,40,1), (8,9,60,1);
INSERT t2 VALUES (2,1,11,2), (7,4,40,2);
INSERT t1 SELECT a,b,c FROM t2 WHERE d=1 ON DUPLICATE KEY UPDATE c=c+100;
INSERT t1 SELECT a,b,c FROM t2 WHERE d=1 ON DUPLICATE KEY UPDATE c=t1.c+100;
SELECT * FROM t1;
INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
SELECT * FROM t1;
--error 1052
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=c+VALUES(a);
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=t1.c+VALUES(t1.a);
SELECT *, VALUES(a) FROM t1;
DROP TABLE t1;
DROP TABLE t2;
@ -89,10 +91,12 @@ create table t1 (a int not null unique) engine=myisam;
insert into t1 values (1),(2);
insert ignore into t1 select 1 on duplicate key update a=2;
select * from t1;
insert ignore into t1 select a from t1 on duplicate key update a=a+1 ;
insert ignore into t1 select a from t1 as t2 on duplicate key update a=t1.a+1 ;
select * from t1;
insert into t1 select 1 on duplicate key update a=2;
select * from t1;
--error 1062
--error 1052
insert into t1 select a from t1 on duplicate key update a=a+1 ;
--error 1052
insert ignore into t1 select a from t1 on duplicate key update a=t1.a+1 ;
drop table t1;

View File

@ -10,9 +10,10 @@ show variables like "lower_case_table_names";
enable_query_log;
--disable_warnings
DROP TABLE IF EXISTS t1,t2,t3;
DROP TABLE IF EXISTS t1,t2,t3,t2aA,t1Aa;
DROP DATABASE IF EXISTS `TEST_$1`;
DROP DATABASE IF EXISTS `test_$1`;
DROP DATABASE mysqltest_LC2;
--enable_warnings
CREATE TABLE T1 (a int);

View File

@ -7,6 +7,13 @@ DROP TABLE IF EXISTS t1;
drop database if exists mysqltest;
--enable_warnings
connect (con1,localhost,root,,test);
connect (con2,localhost,root,,test);
connection con2;
-- sleep 2
connection con1;
#
# Basic test to show that the ALTER TABLE
# is working
@ -92,10 +99,6 @@ CREATE TABLE t1 (
INSERT INTO t1 VALUES (9410,9412);
connect (con1,localhost,,,test);
connect (con2,localhost,,,test);
connection con1;
ALTER TABLE t1 ADD COLUMN c int not null;
select * from t1 order by a;

View File

@ -2007,6 +2007,21 @@ CREATE TABLE t1 (b BIGINT(20) UNSIGNED NOT NULL, PRIMARY KEY (b));
INSERT INTO t1 VALUES (0x8000000000000000);
SELECT b FROM t1 WHERE b=0x8000000000000000;
DROP TABLE t1;
#
# IN with outer join condition (BUG#9393)
#
CREATE TABLE `t1` ( `gid` int(11) default NULL, `uid` int(11) default NULL);
CREATE TABLE `t2` ( `ident` int(11) default NULL, `level` char(16) default NULL);
INSERT INTO `t2` VALUES (0,'READ');
CREATE TABLE `t3` ( `id` int(11) default NULL, `name` char(16) default NULL);
INSERT INTO `t3` VALUES (1,'fs');
select * from t3 left join t1 on t3.id = t1.uid, t2 where t2.ident in (0, t1.gid, t3.id, 0);
drop table t1,t2,t3;
# Test for bug #6474
#

View File

@ -373,9 +373,13 @@ drop table t1;
#
# Bug #6993: myisam_data_pointer_size
# Wrong bug report, data pointer size must be restricted to 7,
# setting to 8 will not work on all computers, myisamchk and
# the server may see a wrong value, such as 0 or negative number
# if 8 bytes is set.
#
SET GLOBAL MYISAM_DATA_POINTER_SIZE= 8;
SET GLOBAL MYISAM_DATA_POINTER_SIZE= 7;
SHOW VARIABLES LIKE 'MYISAM_DATA_POINTER_SIZE';
#