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Updated the result for innodb.innodb_mysql
The result is updated here because by changing the defaults for use_stat_tables EITs statistcs are providing more accurate statistics than INNODB statistics.
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@ -191,8 +191,8 @@ min(7)
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7
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explain select min(7) from t2i join t1i;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2i ALL NULL NULL NULL NULL 1
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1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
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1 SIMPLE t1i ALL NULL NULL NULL NULL 0
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1 SIMPLE t2i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
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select min(7) from t2i join t1i;
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min(7)
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NULL
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@ -207,8 +207,8 @@ max(7)
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7
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explain select max(7) from t2i join t1i;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2i ALL NULL NULL NULL NULL 1
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1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
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1 SIMPLE t1i ALL NULL NULL NULL NULL 0
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1 SIMPLE t2i ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
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select max(7) from t2i join t1i;
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max(7)
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NULL
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@ -239,7 +239,7 @@ select 1, max(1) from t1i where 1=99;
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explain select count(*), min(7), max(7) from t1m, t1i;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1m system NULL NULL NULL NULL 0 Const row not found
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1 SIMPLE t1i ALL NULL NULL NULL NULL 1
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1 SIMPLE t1i ALL NULL NULL NULL NULL 0
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select count(*), min(7), max(7) from t1m, t1i;
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count(*) min(7) max(7)
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0 NULL NULL
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@ -253,7 +253,7 @@ count(*) min(7) max(7)
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explain select count(*), min(7), max(7) from t2m, t1i;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2m system NULL NULL NULL NULL 1
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1 SIMPLE t1i ALL NULL NULL NULL NULL 1
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1 SIMPLE t1i ALL NULL NULL NULL NULL 0
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select count(*), min(7), max(7) from t2m, t1i;
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count(*) min(7) max(7)
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0 NULL NULL
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@ -303,6 +303,7 @@ create index idx12672_1 on t4 (a1,a2,b,c);
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create index idx12672_2 on t4 (a1,a2,b);
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analyze table t4;
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Table Op Msg_type Msg_text
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test.t4 analyze status Engine-independent statistics collected
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test.t4 analyze status OK
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select distinct a1 from t4 where pk_col not in (1,2,3,4);
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a1
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@ -2699,6 +2700,7 @@ INSERT INTO t1 SELECT c1+100000,c2+100000,c3+100000 from t1;
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INSERT INTO t1 SELECT c1+1000000,c2+1000000,c3+1000000 from t1;
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ANALYZE TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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SELECT * FROM t1 WHERE c1 = 99999999 AND c3 > 1 ORDER BY c3;
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c1 c2 c3
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@ -2851,6 +2853,7 @@ INSERT INTO t1 VALUES (1,1,1,1,1,1), (2,2,2,2,2,2), (3,3,3,3,3,3),
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(11,11,11,11,11,11);
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ANALYZE TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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EXPLAIN SELECT COUNT(*) FROM t1;
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id 1
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