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Changed report of records to 2 from 1 previously in records_in_range in certain situations
causes change of test behaviour
This commit is contained in:
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b2f028c56a
commit
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@ -182,7 +182,7 @@ SELECT * FROM t1 WHERE a=NULL;
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a b
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a b
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explain SELECT * FROM t1 WHERE a IS NULL;
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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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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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SELECT * FROM t1 WHERE a<=>NULL;
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a b
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a b
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NULL 99
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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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insert into t1 values ('aaah', 'prefill-hash=6',0);
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explain select * from t1 where a='aaaa';
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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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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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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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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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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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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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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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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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insert into t1 select * from t1;
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flush tables;
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flush tables;
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explain select * from t1 where a='aaaa';
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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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insert into t2 select * from t1;
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explain select * from t1 where name='matt';
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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3
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explain select a from t1 where a in (1,3);
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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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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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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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Note 1031 Table storage engine for 't1' doesn't have this option
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show keys from t1;
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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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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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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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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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insert into t1 values (null,''), (null,'');
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