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Added support for hex strings to mysqlimport
A lot of new tests to mysqltest Fixed bug with BDB tables and autocommit
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47
mysql-test/t/null_key.test
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47
mysql-test/t/null_key.test
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#
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# Check null keys
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drop table if exists t1;
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create table t1 (a int, b int not null,unique key (a,b),index(b)) type=myisam;
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insert ignore into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(null,7),(9,9),(8,8),(7,7),(null,9),(null,9),(6,6);
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explain select * from t1 where a is null;
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explain select * from t1 where a is null and b = 2;
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explain select * from t1 where a is null and b = 7;
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explain select * from t1 where a=2 and b = 2;
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explain select * from t1 where a<=>b limit 2;
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explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 limit 3;
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explain select * from t1 where (a is null or a = 7) and b=7;
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explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2;
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explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3;
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explain select * from t1 where a > 1 and a < 3 limit 1;
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explain select * from t1 where a > 8 and a < 9;
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select * from t1 where a is null;
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select * from t1 where a is null and b = 7;
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select * from t1 where a<=>b limit 2;
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select * from t1 where (a is null or a > 0 and a < 3) and b < 5 limit 3;
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select * from t1 where (a is null or a > 0 and a < 3) and b > 7 limit 3;
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select * from t1 where (a is null or a = 7) and b=7;
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select * from t1 where a is null and b=9 or a is null and b=7 limit 3;
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alter table t1 modify b blob not null, add c int not null, drop key a, add unique key (a,b(20),c), drop key b, add key (b(10));
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explain select * from t1 where a is null and b = 2;
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explain select * from t1 where a is null and b = 2 and c=0;
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explain select * from t1 where a is null and b = 7 and c=0;
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explain select * from t1 where a=2 and b = 2;
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explain select * from t1 where a<=>b limit 2;
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explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 and c=0 limit 3;
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explain select * from t1 where (a is null or a = 7) and b=7 and c=0;
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explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2;
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explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3;
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explain select * from t1 where a > 1 and a < 3 limit 1;
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explain select * from t1 where a is null and b=7 or a > 1 and a < 3 limit 1;
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explain select * from t1 where a > 8 and a < 9;
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explain select * from t1 where b like "6%";
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select * from t1 where a is null;
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select * from t1 where a is null and b = 7 and c=0;
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select * from t1 where a<=>b limit 2;
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select * from t1 where (a is null or a > 0 and a < 3) and b < 5 limit 3;
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select * from t1 where (a is null or a > 0 and a < 3) and b > 7 limit 3;
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select * from t1 where (a is null or a = 7) and b=7 and c=0;
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select * from t1 where a is null and b=9 or a is null and b=7 limit 3;
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select * from t1 where b like "6%";
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drop table t1;
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