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This bug could result in returning 0 for the expressions of the form <aggregate_function>(distinct field) when the system variable max_heap_table_size was set to a small enough number. It happened because the method Unique::walk() did not support the case when more than one pass was needed to merge the trees of distinct values saved in an external file. Backported a fix in grant_lowercase.test from mariadb 5.5.
31 lines
2 KiB
Text
31 lines
2 KiB
Text
# test cases for strmov(tmp_db, db) -> strnmov replacement in sql_acl.cc
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--source include/not_embedded.inc
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#
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# http://seclists.org/fulldisclosure/2012/Dec/4
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#
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# in acl_get(), check_grant_db(), mysql_grant()
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grant file on *.* to user1@localhost with grant option;
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grant select on `a%`.* to user1@localhost with grant option;
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connect (conn1,localhost,user1,,);
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connection conn1;
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--error ER_WRONG_DB_NAME
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grant file on aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.* to 'user'@'%' identified by 'secret';
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connection default;
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disconnect conn1;
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drop user user1@localhost;
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# in acl_load()
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call mtr.add_suppression("Incorrect database name");
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alter table mysql.host modify Db varchar(200);
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alter table mysql.db modify Db varchar(200);
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insert mysql.host set db=concat('=>', repeat(_utf8 'й', 200));
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insert mysql.db set db=concat('=>', repeat(_utf8 'й', 200));
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flush privileges; # shouldn't crash here
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delete from mysql.host where db like '=>%';
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delete from mysql.db where db like '=>%';
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alter table mysql.host modify Db char(64);
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alter table mysql.db modify Db char(64);
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flush privileges;
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