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699291a8e6
- Make the range-et-al optimizer produce E(#table records after table
condition is applied),
- Make the join optimizer use this value,
- Add "filtered" column to EXPLAIN EXTENDED to show
fraction of records left after table condition is applied
- Adjust test results, add comments
98 lines
2.4 KiB
Plaintext
98 lines
2.4 KiB
Plaintext
drop table if exists t1;
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select length(encrypt('foo', 'ff')) <> 0;
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length(encrypt('foo', 'ff')) <> 0
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1
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create table t1 (name varchar(50), pw varchar(64));
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insert into t1 values ('tom', password('my_pass'));
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set @pass='my_pass';
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select name from t1 where name='tom' and pw=password(@pass);
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name
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tom
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select name from t1 where name='tom' and pw=password(@undefined);
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name
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drop table t1;
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select password('abc');
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password('abc')
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*0D3CED9BEC10A777AEC23CCC353A8C08A633045E
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select password('');
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password('')
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select old_password('abc');
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old_password('abc')
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7cd2b5942be28759
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select old_password('');
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old_password('')
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select password('gabbagabbahey');
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password('gabbagabbahey')
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*B0F99D2963660DD7E16B751EC9EE2F17B6A68FA6
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select old_password('idkfa');
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old_password('idkfa')
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5c078dc54ca0fcca
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select length(password('1'));
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length(password('1'))
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41
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select length(encrypt('test'));
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length(encrypt('test'))
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13
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select encrypt('test','aa');
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encrypt('test','aa')
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aaqPiZY5xR5l.
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select old_password(NULL);
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old_password(NULL)
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NULL
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select password(NULL);
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password(NULL)
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NULL
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set global old_passwords=on;
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select password('');
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password('')
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select old_password('');
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old_password('')
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select password('idkfa');
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password('idkfa')
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*B669C9DAC3AA6F2254B03CDEF8DFDD6B2D1054BA
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select old_password('idkfa');
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old_password('idkfa')
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5c078dc54ca0fcca
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set old_passwords=on;
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select password('idkfa');
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password('idkfa')
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5c078dc54ca0fcca
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select old_password('idkfa');
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old_password('idkfa')
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5c078dc54ca0fcca
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set global old_passwords=off;
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select password('idkfa');
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password('idkfa')
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5c078dc54ca0fcca
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select old_password('idkfa');
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old_password('idkfa')
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5c078dc54ca0fcca
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set old_passwords=off;
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select password('idkfa ');
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password('idkfa ')
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*2DC31D90647B4C1ABC9231563D2236E96C9A2DB2
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select password('idkfa');
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password('idkfa')
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*B669C9DAC3AA6F2254B03CDEF8DFDD6B2D1054BA
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select password(' idkfa');
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password(' idkfa')
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*12B099E56BB7FE8D43C78FD834A9D1D11178D045
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select old_password('idkfa');
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old_password('idkfa')
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5c078dc54ca0fcca
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select old_password(' i d k f a ');
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old_password(' i d k f a ')
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5c078dc54ca0fcca
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explain extended select password('idkfa '), old_password('idkfa');
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select password(_latin1'idkfa ') AS `password('idkfa ')`,old_password(_latin1'idkfa') AS `old_password('idkfa')`
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select encrypt('1234','_.');
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encrypt('1234','_.')
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#
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