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Merge mronstrom@bk-internal.mysql.com:/home/bk/mysql-4.1
into c-5c0be253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/bug12796
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@@ -182,7 +182,7 @@ SELECT * FROM t1 WHERE a=NULL;
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a b
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explain SELECT * FROM t1 WHERE a IS NULL;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 5 const 1 Using where
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1 SIMPLE t1 ref a a 5 const 2 Using where
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SELECT * FROM t1 WHERE a<=>NULL;
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a b
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NULL 99
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@@ -296,3 +296,13 @@ insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd
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insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
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ERROR 23000: Duplicate entry 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl' for key 1
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drop table t1;
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CREATE TABLE t1 (a int, key(a)) engine=heap;
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insert delayed into t1 values (0);
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delete from t1;
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select * from t1;
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a
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insert delayed into t1 values (0), (1);
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select * from t1 where a = 0;
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a
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0
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drop table t1;
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@@ -182,7 +182,7 @@ SELECT * FROM t1 WHERE a=NULL;
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a b
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explain SELECT * FROM t1 WHERE a IS NULL;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 5 const 1 Using where
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1 SIMPLE t1 ref a a 5 const 2 Using where
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SELECT * FROM t1 WHERE a<=>NULL;
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a b
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NULL 99
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@@ -220,16 +220,16 @@ insert into t1 values ('aaag', 'prefill-hash=3',0);
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insert into t1 values ('aaah', 'prefill-hash=6',0);
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explain select * from t1 where a='aaaa';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 1 Using where
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaab';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 1 Using where
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaac';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 1 Using where
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaad';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 1 Using where
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1 SIMPLE t1 ref a a 8 const 2 Using where
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insert into t1 select * from t1;
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flush tables;
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explain select * from t1 where a='aaaa';
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@@ -291,25 +291,25 @@ insert into t1 (name) values ('Matt'), ('Lilu'), ('Corbin'), ('Carly'),
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insert into t2 select * from t1;
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explain select * from t1 where name='matt';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx,btree_idx heap_idx 20 const 1 Using where
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1 SIMPLE t1 ref heap_idx,btree_idx btree_idx 20 const 1 Using where
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explain select * from t2 where name='matt';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref btree_idx,heap_idx btree_idx 20 const 1 Using where
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explain select * from t1 where name='Lilu';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx,btree_idx heap_idx 20 const 1 Using where
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1 SIMPLE t1 ref heap_idx,btree_idx btree_idx 20 const 1 Using where
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explain select * from t2 where name='Lilu';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref btree_idx,heap_idx btree_idx 20 const 1 Using where
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explain select * from t1 where name='Phil';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx,btree_idx heap_idx 20 const 1 Using where
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1 SIMPLE t1 ref heap_idx,btree_idx btree_idx 20 const 1 Using where
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explain select * from t2 where name='Phil';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref btree_idx,heap_idx btree_idx 20 const 1 Using where
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explain select * from t1 where name='Lilu';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx,btree_idx heap_idx 20 const 1 Using where
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1 SIMPLE t1 ref heap_idx,btree_idx btree_idx 20 const 1 Using where
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explain select * from t2 where name='Lilu';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref btree_idx,heap_idx btree_idx 20 const 1 Using where
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@@ -364,5 +364,5 @@ a
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3
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explain select a from t1 where a in (1,3);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range a a 5 NULL 2 Using where
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1 SIMPLE t1 range a a 5 NULL 4 Using where
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drop table t1;
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@@ -554,7 +554,7 @@ Warnings:
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Note 1031 Table storage engine for 't1' doesn't have this option
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show keys from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 1 a 1 a NULL 1000 NULL NULL YES HASH
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t1 1 a 1 a NULL 500 NULL NULL YES HASH
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drop table t1,t2;
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create table t1 ( a tinytext, b char(1), index idx (a(1),b) );
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insert into t1 values (null,''), (null,'');
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@@ -234,4 +234,15 @@ insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd
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insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
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drop table t1;
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#
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# Bug 12796: Record doesn't show when selecting through index
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#
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CREATE TABLE t1 (a int, key(a)) engine=heap;
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insert delayed into t1 values (0);
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delete from t1;
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select * from t1;
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insert delayed into t1 values (0), (1);
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select * from t1 where a = 0;
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drop table t1;
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# End of 4.1 tests
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