diff options
Diffstat (limited to 'mysql-test/t/group_min_max.test')
| -rw-r--r-- | mysql-test/t/group_min_max.test | 156 |
1 files changed, 78 insertions, 78 deletions
diff --git a/mysql-test/t/group_min_max.test b/mysql-test/t/group_min_max.test index 11ba6885dd1..f9ac3a625cc 100644 --- a/mysql-test/t/group_min_max.test +++ b/mysql-test/t/group_min_max.test @@ -57,8 +57,8 @@ create index idx_t1_1 on t1 (a1,a2,b,c); create index idx_t1_2 on t1 (a1,a2,b); analyze table t1; --- t2 is the same as t1, but with some NULLs in the MIN/MAX column, and one more --- nullable attribute +# t2 is the same as t1, but with some NULLs in the MIN/MAX column, and +# one more nullable attribute --disable_warnings drop table if exists t2; @@ -68,7 +68,7 @@ create table t2 ( a1 char(64), a2 char(64) not null, b char(16), c char(16), d char(16), dummy char(64) default ' ' ); insert into t2 select * from t1; --- add few rows with NULL's in the MIN/MAX column +# add few rows with NULL's in the MIN/MAX column insert into t2 (a1, a2, b, c, d) values ('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'), ('a','a','a',NULL,'xyz'), @@ -92,10 +92,10 @@ create index idx_t2_1 on t2 (a1,a2,b,c); create index idx_t2_2 on t2 (a1,a2,b); analyze table t2; --- Table t3 is the same as t1, but with smaller column lenghts. --- This allows to test different branches of the cost computation procedure --- when the number of keys per block are less than the number of keys in the --- sub-groups formed by predicates over non-group attributes. +# Table t3 is the same as t1, but with smaller column lenghts. +# This allows to test different branches of the cost computation procedure +# when the number of keys per block are less than the number of keys in the +# sub-groups formed by predicates over non-group attributes. --disable_warnings drop table if exists t3; @@ -164,11 +164,11 @@ create index idx_t3_2 on t3 (a1,a2,b); analyze table t3; --- --- Queries without a WHERE clause. These queries do not use ranges. --- +# +# Queries without a WHERE clause. These queries do not use ranges. +# --- plans +# plans explain select a1, min(a2) from t1 group by a1; explain select a1, max(a2) from t1 group by a1; explain select a1, min(a2), max(a2) from t1 group by a1; @@ -176,31 +176,31 @@ explain select a1, a2, b, min(c), max(c) from t1 group by a1,a2,b; explain select a1,a2,b,max(c),min(c) from t1 group by a1,a2,b; --replace_column 7 # 9 # explain select a1,a2,b,max(c),min(c) from t2 group by a1,a2,b; --- Select fields in different order +# Select fields in different order explain select min(a2), a1, max(a2), min(a2), a1 from t1 group by a1; explain select a1, b, min(c), a1, max(c), b, a2, max(c), max(c) from t1 group by a1, a2, b; explain select min(a2) from t1 group by a1; explain select a2, min(c), max(c) from t1 group by a1,a2,b; --- queries +# queries select a1, min(a2) from t1 group by a1; select a1, max(a2) from t1 group by a1; select a1, min(a2), max(a2) from t1 group by a1; select a1, a2, b, min(c), max(c) from t1 group by a1,a2,b; select a1,a2,b,max(c),min(c) from t1 group by a1,a2,b; select a1,a2,b,max(c),min(c) from t2 group by a1,a2,b; --- Select fields in different order +# Select fields in different order select min(a2), a1, max(a2), min(a2), a1 from t1 group by a1; select a1, b, min(c), a1, max(c), b, a2, max(c), max(c) from t1 group by a1, a2, b; select min(a2) from t1 group by a1; select a2, min(c), max(c) from t1 group by a1,a2,b; --- --- Queries with a where clause --- +# +# Queries with a where clause +# --- A) Preds only over the group 'A' attributes --- plans +# A) Preds only over the group 'A' attributes +# plans explain select a1,a2,b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b; explain select a1,a2,b,min(c),max(c) from t1 where a1 >= 'b' group by a1,a2,b; explain select a1,a2,b, max(c) from t1 where a1 >= 'c' or a1 < 'b' group by a1,a2,b; @@ -238,7 +238,7 @@ explain select a1,min(c),max(c) from t2 where a1 >= 'b' group by a1,a2,b; --replace_column 9 # explain select a1, max(c) from t2 where a1 in ('a','b','d') group by a1,a2,b; --- queries +# queries select a1,a2,b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b; select a1,a2,b,min(c),max(c) from t1 where a1 >= 'b' group by a1,a2,b; select a1,a2,b, max(c) from t1 where a1 >= 'c' or a1 < 'b' group by a1,a2,b; @@ -264,8 +264,8 @@ select a1,a2,b,min(c),max(c) from t2 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or select a1,min(c),max(c) from t2 where a1 >= 'b' group by a1,a2,b; select a1, max(c) from t2 where a1 in ('a','b','d') group by a1,a2,b; --- B) Equalities only over the non-group 'B' attributes --- plans +# B) Equalities only over the non-group 'B' attributes +# plans explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; explain select a1,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; explain select a1,a2,b, max(c) from t1 where (b = 'b') group by a1,a2; @@ -278,11 +278,11 @@ explain select a1,a2,b, max(c) from t2 where (b = 'b') group by a1,a2; explain select a1,a2,b,min(c),max(c) from t2 where (b = 'b') group by a1,a2; explain select a1,a2, max(c) from t2 where (b = 'b') group by a1,a2; --- these queries test case 2) in TRP_GROUP_MIN_MAX::update_cost() +# these queries test case 2) in TRP_GROUP_MIN_MAX::update_cost() explain select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1; explain select a1,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1; --- queries +# queries select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; select a1,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1; select a1,a2,b, max(c) from t1 where (b = 'b') group by a1,a2; @@ -295,20 +295,20 @@ select a1,a2,b, max(c) from t2 where (b = 'b') group by a1,a2; select a1,a2,b,min(c),max(c) from t2 where (b = 'b') group by a1,a2; select a1,a2, max(c) from t2 where (b = 'b') group by a1,a2; --- these queries test case 2) in TRP_GROUP_MIN_MAX::update_cost() +# these queries test case 2) in TRP_GROUP_MIN_MAX::update_cost() select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1; select a1,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1; --- IS NULL (makes sense for t2 only) --- plans +# IS NULL (makes sense for t2 only) +# plans explain select a1,a2,b,min(c) from t2 where (a2 = 'a') and b is NULL group by a1; explain select a1,a2,b,max(c) from t2 where (a2 = 'a') and b is NULL group by a1; explain select a1,a2,b,min(c) from t2 where b is NULL group by a1,a2; explain select a1,a2,b,max(c) from t2 where b is NULL group by a1,a2; explain select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2; explain select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2; --- queries +# queries select a1,a2,b,min(c) from t2 where (a2 = 'a') and b is NULL group by a1; select a1,a2,b,max(c) from t2 where (a2 = 'a') and b is NULL group by a1; select a1,a2,b,min(c) from t2 where b is NULL group by a1,a2; @@ -316,8 +316,8 @@ select a1,a2,b,max(c) from t2 where b is NULL group by a1,a2; select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2; select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2; --- C) Range predicates for the MIN/MAX attribute --- plans +# C) Range predicates for the MIN/MAX attribute +# plans --replace_column 9 # explain select a1,a2,b, max(c) from t1 where (c > 'b1') group by a1,a2,b; explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') group by a1,a2,b; @@ -367,7 +367,7 @@ explain select a1,a2,b,min(c),max(c) from t2 where (c < 'c5') or (c = 'g412') or --replace_column 9 # explain select a1,a2,b,min(c),max(c) from t2 where ((c > 'b111') and (c <= 'g112')) or ((c > 'd000') and (c <= 'i110')) group by a1,a2,b; --- queries +# queries select a1,a2,b, max(c) from t1 where (c > 'b1') group by a1,a2,b; select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') group by a1,a2,b; select a1,a2,b, max(c) from t1 where (c > 'f123') group by a1,a2,b; @@ -401,19 +401,19 @@ select a1,a2,b,min(c),max(c) from t2 where (c > 'b111') and (c <= 'g112') group select a1,a2,b,min(c),max(c) from t2 where (c < 'c5') or (c = 'g412') or (c = 'k421') group by a1,a2,b; select a1,a2,b,min(c),max(c) from t2 where ((c > 'b111') and (c <= 'g112')) or ((c > 'd000') and (c <= 'i110')) group by a1,a2,b; --- analyze the sub-select +# analyze the sub-select explain select a1,a2,b,min(c),max(c) from t1 where exists ( select * from t2 where t2.c = t1.c ) group by a1,a2,b; --- the sub-select is unrelated to MIN/MAX +# the sub-select is unrelated to MIN/MAX explain select a1,a2,b,min(c),max(c) from t1 where exists ( select * from t2 where t2.c > 'b1' ) group by a1,a2,b; --- A,B,C) Predicates referencing mixed classes of attributes --- plans +# A,B,C) Predicates referencing mixed classes of attributes +# plans explain select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b; explain select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (c > 'b111') group by a1,a2,b; explain select a1,a2,b,min(c),max(c) from t1 where (a2 >= 'b') and (b = 'a') and (c > 'b111') group by a1,a2,b; @@ -435,7 +435,7 @@ explain select a1,a2,b,min(c) from t2 where ((a1 > 'a') or (a1 < '9')) and ((a2 --replace_column 9 # explain select a1,a2,b,min(c) from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; --- queries +# queries select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b; select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (c > 'b111') group by a1,a2,b; select a1,a2,b,min(c),max(c) from t1 where (a2 >= 'b') and (b = 'a') and (c > 'b111') group by a1,a2,b; @@ -452,11 +452,11 @@ select a1,a2,b,min(c) from t2 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') select a1,a2,b,min(c) from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; --- --- GROUP BY queries without MIN/MAX --- +# +# GROUP BY queries without MIN/MAX +# --- plans +# plans explain select a1,a2,b from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b; explain select a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; explain select a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; @@ -471,7 +471,7 @@ explain select a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121' --replace_column 9 # explain select a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; --- queries +# queries select a1,a2,b from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b; select a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; select a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; @@ -482,11 +482,11 @@ select a1,a2,b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; select a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; select a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b; --- --- DISTINCT queries --- +# +# DISTINCT queries +# --- plans +# plans explain select distinct a1,a2,b from t1; explain select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a'); explain extended select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121'); @@ -502,7 +502,7 @@ explain extended select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); explain select distinct b from t2 where (a2 >= 'b') and (b = 'a'); --- queries +# queries select distinct a1,a2,b from t1; select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a'); select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121'); @@ -515,22 +515,22 @@ select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121 select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); select distinct b from t2 where (a2 >= 'b') and (b = 'a'); --- BUG #6303 +# BUG #6303 select distinct t_00.a1 from t1 t_00 where exists ( select * from t2 where a1 = t_00.a1 ); --- BUG #8532 - SELECT DISTINCT a, a causes server to crash +# BUG #8532 - SELECT DISTINCT a, a causes server to crash select distinct a1,a1 from t1; select distinct a2,a1,a2,a1 from t1; select distinct t1.a1,t2.a1 from t1,t2; --- --- DISTINCT queries with GROUP-BY --- +# +# DISTINCT queries with GROUP-BY +# --- plans +# plans explain select distinct a1,a2,b from t1; explain select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; explain select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; @@ -548,7 +548,7 @@ explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = --replace_column 9 # explain select distinct b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; --- queries +# queries select distinct a1,a2,b from t1; select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b; @@ -562,9 +562,9 @@ select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') gr select distinct b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b; --- --- COUNT (DISTINCT cols) queries --- +# +# COUNT (DISTINCT cols) queries +# explain select count(distinct a1,a2,b) from t1 where (a2 >= 'b') and (b = 'a'); explain select count(distinct a1,a2,b,c) from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121'); @@ -578,9 +578,9 @@ select count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a') and (b = select count(distinct b) from t1 where (a2 >= 'b') and (b = 'a'); select ord(a1) + count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a'); --- --- Queries with expressions in the select clause --- +# +# Queries with expressions in the select clause +# explain select a1,a2,b, concat(min(c), max(c)) from t1 where a1 < 'd' group by a1,a2,b; explain select concat(a1,min(c)),b from t1 where a1 < 'd' group by a1,a2,b; @@ -595,48 +595,48 @@ select concat(a1,a2),b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b; select concat(ord(min(b)),ord(max(b))),min(b),max(b) from t1 group by a1,a2; --- --- Negative examples: queries that should NOT be treated as optimizable by --- QUICK_GROUP_MIN_MAX_SELECT --- +# +# Negative examples: queries that should NOT be treated as optimizable by +# QUICK_GROUP_MIN_MAX_SELECT +# --- select a non-indexed attribute +# select a non-indexed attribute explain select a1,a2,b,d,min(c),max(c) from t1 group by a1,a2,b; explain select a1,a2,b,d from t1 group by a1,a2,b; --- predicate that references an attribute that is after the MIN/MAX argument --- in the index +# predicate that references an attribute that is after the MIN/MAX argument +# in the index explain extended select a1,a2,min(b),max(b) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (c > 'a111') group by a1,a2; --- predicate that references a non-indexed attribute +# predicate that references a non-indexed attribute explain extended select a1,a2,b,min(c),max(c) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (d > 'xy2') group by a1,a2,b; explain extended select a1,a2,b,c from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (d > 'xy2') group by a1,a2,b,c; --- non-equality predicate for a non-group select attribute +# non-equality predicate for a non-group select attribute explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') or (b < 'b') group by a1; explain extended select a1,a2,b from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (c > 'a111') group by a1,a2,b; --- non-group field with an equality predicate that references a keypart after the --- MIN/MAX argument +# non-group field with an equality predicate that references a keypart after the +# MIN/MAX argument explain select a1,a2,min(b),c from t2 where (a2 = 'a') and (c = 'a111') group by a1; select a1,a2,min(b),c from t2 where (a2 = 'a') and (c = 'a111') group by a1; --- disjunction for a non-group select attribute +# disjunction for a non-group select attribute explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') or (b = 'a') group by a1; --- non-range predicate for the MIN/MAX attribute +# non-range predicate for the MIN/MAX attribute explain select a1,a2,b,min(c),max(c) from t2 where (c > 'a000') and (c <= 'd999') and (c like '_8__') group by a1,a2,b; --- not all attributes are indexed by one index +# not all attributes are indexed by one index explain select a1, a2, b, c, min(d), max(d) from t1 group by a1,a2,b,c; --- other aggregate functions than MIN/MAX +# other aggregate functions than MIN/MAX explain select a1,a2,count(a2) from t1 group by a1,a2,b; explain extended select a1,a2,count(a2) from t1 where (a1 > 'a') group by a1,a2,b; explain extended select sum(ord(a1)) from t1 where (a1 > 'a') group by a1,a2,b; @@ -790,24 +790,24 @@ INSERT INTO t4 VALUES(1); INSERT INTO t5 VALUES(1,1); INSERT INTO t6 VALUES(1); --- original bug query +# original bug query SELECT * FROM t1 NATURAL JOIN (t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6) ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5)); --- inner join swapped +# inner join swapped SELECT * FROM t1 NATURAL JOIN (((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6) on t3.id4 = t5.id5) JOIN t2 ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5)); --- one join less, no ON cond +# one join less, no ON cond SELECT * FROM t1 NATURAL JOIN ((t3 join (t5 NATURAL JOIN t6)) JOIN t2); --- wrong error message: 'id2' - ambiguous column +# wrong error message: 'id2' - ambiguous column SELECT * FROM (t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6) ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5)) |