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1
by brian
clean slate |
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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; |
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SELECT MAX(a) FROM t1 GROUP BY a,b; |
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ERROR 23000: Can't write; duplicate key in table 'tmp_table' |
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set tmp_table_size=default; |
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DROP TABLE t1; |