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Merge with 4.0.14

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monty@mashka.mysql.fi
2003-08-11 22:44:43 +03:00
parent 1279f9b024 6e7a509d06
commit 2263e3e51f
363 changed files with 13819 additions and 2895 deletions
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56
mysql-test/r/select.result
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@ -2568,21 +2568,51 @@ fld1 fld1
250503 250505
250504 250505
250505 250505
insert into t2 (fld1, companynr) values (999999,99);
select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr is null;
companynr companyname
99 NULL
select count(*) from t2 left join t4 using (companynr) where t4.companynr is not null;
count(*)
1199
explain select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199
1 SIMPLE t2 ALL NULL NULL NULL NULL 1200
1 SIMPLE t4 eq_ref PRIMARY PRIMARY 1 test.t2.companynr 1 Using where; Not exists
explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 ALL NULL NULL NULL NULL 12
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where; Not exists
1 SIMPLE t2 ALL NULL NULL NULL NULL 1200 Using where; Not exists
select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
companynr companynr
37 36
41 40
explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
delete from t2 where fld1=999999;
explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0;
table type possible_keys key key_len ref rows Extra
t2 ALL NULL NULL NULL NULL 1199 Using where
t4 eq_ref PRIMARY PRIMARY 1 test.t2.companynr 1
explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0 or t2.companynr < 0;
table type possible_keys key key_len ref rows Extra
t2 ALL NULL NULL NULL NULL 1199 Using where
t4 eq_ref PRIMARY PRIMARY 1 test.t2.companynr 1
explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0 and t4.companynr > 0;
table type possible_keys key key_len ref rows Extra
t2 ALL NULL NULL NULL NULL 1199 Using where
t4 eq_ref PRIMARY PRIMARY 1 test.t2.companynr 1 Using where
explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0 or t2.companynr is null;
table type possible_keys key key_len ref rows Extra
t4 ALL NULL NULL NULL NULL 12
t2 ALL NULL NULL NULL NULL 1199 Using where
explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0 or t2.companynr < 0 or t4.companynr > 0;
table type possible_keys key key_len ref rows Extra
t4 ALL PRIMARY NULL NULL NULL 12
t2 ALL NULL NULL NULL NULL 1199 Using where
explain select t2.companynr,companyname from t4 left join t2 using (companynr) where ifnull(t2.companynr,1)>0;
table type possible_keys key key_len ref rows Extra
t4 ALL NULL NULL NULL NULL 12
t2 ALL NULL NULL NULL NULL 1199 Using where
plain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using temporary
1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using where; Using index
@ -3487,3 +3517,23 @@ aa id t2_id id
5 8303 2520 2520
6 8304 2521 2521
drop table t1,t2;
create table t1 (id1 int NOT NULL);
create table t2 (id2 int NOT NULL);
create table t3 (id3 int NOT NULL);
create table t4 (id4 int NOT NULL, id44 int NOT NULL, KEY (id4));
insert into t1 values (1);
insert into t1 values (2);
insert into t2 values (1);
insert into t4 values (1,1);
explain select * from t1 left join t2 on id1 = id2 left join t3 on id1 = id3
left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
table type possible_keys key key_len ref rows Extra
t3 system NULL NULL NULL NULL 0 const row not found
t1 ALL NULL NULL NULL NULL 2
t2 ALL NULL NULL NULL NULL 1
t4 ALL id4 NULL NULL NULL 1 Using where
select * from t1 left join t2 on id1 = id2 left join t3 on id1 = id3
left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
id1 id2 id3 id4 id44
1 1 NULL NULL NULL
drop table t1,t2,t3,t4;