2007-06-07 09:59:08 +02:00
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DROP TABLE IF EXISTS t1;
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Warnings:
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|
Note 1051 Unknown table 't1'
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CREATE TABLE t1 (
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a varchar(32) character set utf8 collate utf8_bin NOT NULL,
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b varchar(32) character set utf8 collate utf8_bin NOT NULL )
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ENGINE=MyISAM DEFAULT CHARSET=utf8;
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|
INSERT INTO t1 VALUES
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|
|
('AAAAAAAAAA','AAAAAAAAAA'), ('AAAAAAAAAB','AAAAAAAAAB '),
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|
|
('AAAAAAAAAB','AAAAAAAAAB'), ('AAAAAAAAAC','AAAAAAAAAC'),
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|
('AAAAAAAAAD','AAAAAAAAAD'), ('AAAAAAAAAE','AAAAAAAAAE'),
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('AAAAAAAAAF','AAAAAAAAAF'), ('AAAAAAAAAG','AAAAAAAAAG'),
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|
|
('AAAAAAAAAH','AAAAAAAAAH'), ('AAAAAAAAAI','AAAAAAAAAI'),
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|
|
|
('AAAAAAAAAJ','AAAAAAAAAJ'), ('AAAAAAAAAK','AAAAAAAAAK');
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|
|
set tmp_table_size=1024;
|
2008-04-03 10:27:56 +02:00
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|
|
set session debug="d,raise_error";
|
2007-06-07 09:59:08 +02:00
|
|
|
SELECT MAX(a) FROM t1 GROUP BY a,b;
|
2007-06-11 15:02:16 +02:00
|
|
|
ERROR 23000: Can't write; duplicate key in table 'tmp_table'
|
2007-06-07 09:59:08 +02:00
|
|
|
set tmp_table_size=default;
|
|
|
|
DROP TABLE t1;
|
2010-04-25 13:06:40 +02:00
|
|
|
#
|
|
|
|
# Bug #50946: fast index creation still seems to copy the table
|
|
|
|
#
|
|
|
|
CREATE TABLE t1 (a INT(100) NOT NULL);
|
|
|
|
INSERT INTO t1 VALUES (1), (0), (2);
|
|
|
|
SET SESSION debug='+d,alter_table_only_index_change';
|
|
|
|
ALTER TABLE t1 ADD INDEX a(a);
|
|
|
|
SET SESSION debug=DEFAULT;
|
|
|
|
SHOW CREATE TABLE t1;
|
|
|
|
Table Create Table
|
|
|
|
t1 CREATE TABLE `t1` (
|
|
|
|
`a` int(100) NOT NULL,
|
|
|
|
KEY `a` (`a`)
|
|
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
|
|
|
SELECT * FROM t1;
|
|
|
|
a
|
|
|
|
0
|
|
|
|
1
|
|
|
|
2
|
|
|
|
DROP TABLE t1;
|
|
|
|
#
|
|
|
|
# End of 5.1 tests
|
|
|
|
#
|