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merge with 4.0.5
This commit is contained in:
monty@hundin.mysql.fi
@ -1327,20 +1327,20 @@ fld3
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select t2.fld3 from t2 where fld3 LIKE 'don_t_find_me_please%';
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fld3
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explain select t2.fld3 from t2 where fld3 = 'honeysuckle';
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table type possible_keys key key_len ref rows Extra
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t2 ref fld3 fld3 30 const 1 where used; Using index
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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 fld3 fld3 30 const 1 where used; Using index
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explain select fld3 from t2 ignore index (fld3) where fld3 = 'honeysuckle';
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table type possible_keys key key_len ref rows Extra
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t2 index NULL fld3 30 NULL 1199 where used; Using index
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 index NULL fld3 30 NULL 1199 where used; Using index
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explain select fld3 from t2 use index (fld1) where fld3 = 'honeysuckle';
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table type possible_keys key key_len ref rows Extra
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t2 index NULL fld3 30 NULL 1199 where used; Using index
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 index NULL fld3 30 NULL 1199 where used; Using index
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explain select fld3 from t2 use index (fld3) where fld3 = 'honeysuckle';
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table type possible_keys key key_len ref rows Extra
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t2 ref fld3 fld3 30 const 1 where used; Using index
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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 fld3 fld3 30 const 1 where used; Using index
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explain select fld3 from t2 use index (fld1,fld3) where fld3 = 'honeysuckle';
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table type possible_keys key key_len ref rows Extra
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t2 ref fld3 fld3 30 const 1 where used; Using index
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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 fld3 fld3 30 const 1 where used; Using index
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explain select fld3 from t2 ignore index (fld3,not_used);
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Key column 'not_used' doesn't exist in table
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explain select fld3 from t2 use index (not_used);
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@ -1350,8 +1350,8 @@ fld3
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honeysuckle
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honoring
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explain select t2.fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
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table type possible_keys key key_len ref rows Extra
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t2 range fld3 fld3 30 NULL 2 where used; Using index
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 range fld3 fld3 30 NULL 2 where used; Using index
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select fld1,fld3 from t2 where fld3="Colombo" or fld3 = "nondecreasing" order by fld3;
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fld1 fld3
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148504 Colombo
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@ -1370,8 +1370,8 @@ fld1
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250501
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250502
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explain select fld1 from t2 where fld1=250501 or fld1="250502";
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table type possible_keys key key_len ref rows Extra
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t2 range fld1 fld1 4 NULL 2 where used; Using index
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 range fld1 fld1 4 NULL 2 where used; Using index
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select fld1 from t2 where fld1=250501 or fld1=250502 or fld1 >= 250505 and fld1 <= 250601 or fld1 between 250501 and 250502;
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fld1
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250501
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@ -1379,8 +1379,8 @@ fld1
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250505
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250601
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explain select fld1 from t2 where fld1=250501 or fld1=250502 or fld1 >= 250505 and fld1 <= 250601 or fld1 between 250501 and 250502;
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table type possible_keys key key_len ref rows Extra
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t2 range fld1 fld1 4 NULL 4 where used; Using index
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 range fld1 fld1 4 NULL 4 where used; Using index
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select fld1,fld3 from t2 where companynr = 37 and fld3 like 'f%';
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fld1 fld3
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218401 faithful
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@ -1806,21 +1806,21 @@ companynr rtrim(space(512+companynr))
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select distinct fld3 from t2,t3 where t2.companynr = 34 and t2.fld1=t3.t2nr order by fld3;
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fld3
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explain select t3.t2nr,fld3 from t2,t3 where t2.companynr = 34 and t2.fld1=t3.t2nr order by t3.t2nr,fld3;
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table type possible_keys key key_len ref rows Extra
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t2 ALL fld1 NULL NULL NULL 1199 where used; Using temporary; Using filesort
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t3 eq_ref PRIMARY PRIMARY 4 t2.fld1 1 where used; Using index
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ALL fld1 NULL NULL NULL 1199 where used; Using temporary; Using filesort
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1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 t2.fld1 1 where used; Using index
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explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period;
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table type possible_keys key key_len ref rows Extra
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t1 ALL period NULL NULL NULL 41810 Using temporary; Using filesort
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t3 ref period period 4 t1.period 4181
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL period NULL NULL NULL 41810 Using temporary; Using filesort
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1 SIMPLE t3 ref period period 4 t1.period 4181
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explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
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table type possible_keys key key_len ref rows Extra
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t3 index period period 4 NULL 41810
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t1 ref period period 4 t3.period 4181
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t3 index period period 4 NULL 41810
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1 SIMPLE t1 ref period period 4 t3.period 4181
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explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
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table type possible_keys key key_len ref rows Extra
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t1 index period period 4 NULL 41810
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t3 ref period period 4 t1.period 4181
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index period period 4 NULL 41810
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1 SIMPLE t3 ref period period 4 t1.period 4181
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select period from t1;
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period
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9410
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@ -1833,9 +1833,9 @@ select fld3,period from t2,t3 where t2.fld1 = 011401 and t2.fld1=t3.t2nr and t3.
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fld3 period
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breaking 1001
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explain select fld3,period from t2,t3 where t2.fld1 = 011401 and t3.t2nr=t2.fld1 and 1001 = t3.period;
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table type possible_keys key key_len ref rows Extra
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t2 const fld1 fld1 4 const 1
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t3 const PRIMARY,period PRIMARY 4 const 1
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 const fld1 fld1 4 const 1
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1 SIMPLE t3 const PRIMARY,period PRIMARY 4 const 1
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select fld3,period from t2,t1 where companynr*10 = 37*10;
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fld3 period
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breaking 9410
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@ -2573,21 +2573,21 @@ fld1 fld1
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select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr is null;
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companynr companyname
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explain select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr is null;
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table type possible_keys key key_len ref rows Extra
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t2 ALL NULL NULL NULL NULL 1199
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t4 eq_ref PRIMARY PRIMARY 1 test.t2.companynr 1 where used; Not exists
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ALL NULL NULL NULL NULL 1199
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1 SIMPLE t4 eq_ref PRIMARY PRIMARY 1 test.t2.companynr 1 where used; Not exists
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explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr is null;
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table type possible_keys key key_len ref rows Extra
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t4 ALL NULL NULL NULL NULL 12
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t2 ALL NULL NULL NULL NULL 1199 where used; Not exists
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t4 ALL NULL NULL NULL NULL 12
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1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 where used; Not exists
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select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
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companynr companynr
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37 36
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41 40
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explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
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table type possible_keys key key_len ref rows Extra
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t2 ALL NULL NULL NULL NULL 1199 Using temporary
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t4 index NULL PRIMARY 1 NULL 12 where used; Using index
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using temporary
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1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 where used; Using index
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select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
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fld1 companynr fld3 period
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038008 37 reporters 1008
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@ -3096,11 +3096,11 @@ select t2.fld1,sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr =
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fld1 sum(price)
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038008 234298
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explain select fld3 from t2 where 1>2 or 2>3;
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Comment
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Impossible WHERE
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE Impossible WHERE
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explain select fld3 from t2 where fld1=fld1;
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table type possible_keys key key_len ref rows Extra
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t2 ALL NULL NULL NULL NULL 1199
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ALL NULL NULL NULL NULL 1199
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select companynr,fld1 from t2 HAVING fld1=250501 or fld1=250502;
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companynr fld1
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34 250501
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@ -3151,8 +3151,8 @@ select count(*) from t3 where companynr=512 and price2=76234234;
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count(*)
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4181
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explain select min(fld1),max(fld1),count(*) from t2;
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Comment
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Select tables optimized away
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE Select tables optimized away
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select min(fld1),max(fld1),count(*) from t2;
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min(fld1) max(fld1) count(*)
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0 1232609 1199
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@ -3219,23 +3219,23 @@ Tables_in_test (s%)
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show tables from test like "t?";
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Tables_in_test (t?)
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show full columns from t2;
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Field Type Null Key Default Extra Privileges
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auto int(11) PRI NULL auto_increment select,insert,update,references
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fld1 int(6) unsigned zerofill UNI 000000 select,insert,update,references
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companynr tinyint(2) unsigned zerofill 00 select,insert,update,references
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fld3 char(30) MUL select,insert,update,references
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fld4 char(35) select,insert,update,references
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fld5 char(35) select,insert,update,references
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fld6 char(4) select,insert,update,references
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Field Type Null Key Default Extra Privileges Comment
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auto int(11) PRI NULL auto_increment select,insert,update,references
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fld1 int(6) unsigned zerofill UNI 000000 select,insert,update,references
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companynr tinyint(2) unsigned zerofill 00 select,insert,update,references
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fld3 char(30) character set latin1 MUL select,insert,update,references
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fld4 char(35) character set latin1 select,insert,update,references
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fld5 char(35) character set latin1 select,insert,update,references
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fld6 char(4) character set latin1 select,insert,update,references
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show full columns from t2 from test like 'f%';
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Field Type Null Key Default Extra Privileges
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fld1 int(6) unsigned zerofill UNI 000000 select,insert,update,references
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fld3 char(30) MUL select,insert,update,references
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fld4 char(35) select,insert,update,references
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fld5 char(35) select,insert,update,references
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fld6 char(4) select,insert,update,references
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Field Type Null Key Default Extra Privileges Comment
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fld1 int(6) unsigned zerofill UNI 000000 select,insert,update,references
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fld3 char(30) character set latin1 MUL select,insert,update,references
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fld4 char(35) character set latin1 select,insert,update,references
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fld5 char(35) character set latin1 select,insert,update,references
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fld6 char(4) character set latin1 select,insert,update,references
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show full columns from t2 from test like 's%';
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Field Type Null Key Default Extra Privileges
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Field Type Null Key Default Extra Privileges Comment
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show keys from t2;
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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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t2 0 PRIMARY 1 auto A 1199 NULL NULL BTREE
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