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Backported MDEV-11196(e4d10e09cf) and MDEV-10360(8a8ba1949b) to 10.0

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Varun Gupta
2018-12-19 10:38:29 +05:30
parent d1f399408d
commit da4efd56aa
3 changed files with 244 additions and 5 deletions
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95
mysql-test/r/innodb_ext_key.result
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@ -1068,5 +1068,100 @@ a
1
drop table t1, t2;
set optimizer_switch=@save_optimizer_switch;
#
# MDEV-10360: Extended keys: index properties depend on index order
#
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (
index_id bigint(20) unsigned NOT NULL,
index_class varchar(265) COLLATE latin1_general_ci DEFAULT NULL ,
index_object_id int(10) unsigned NOT NULL DEFAULT '0' ,
index_date_updated int(10) unsigned DEFAULT NULL ,
PRIMARY KEY (index_id),
KEY object (index_class(181),index_object_id),
KEY index_date_updated (index_date_updated)
) engine=innodb;
create table t2 (
index_id bigint(20) unsigned NOT NULL,
index_class varchar(265) COLLATE latin1_general_ci DEFAULT NULL ,
index_object_id int(10) unsigned NOT NULL DEFAULT '0' ,
index_date_updated int(10) unsigned DEFAULT NULL ,
PRIMARY KEY (index_id),
KEY index_date_updated (index_date_updated),
KEY object (index_class(181),index_object_id)
) engine=innodb;
insert into t1 select
@a:=A.a + 10*B.a + 100*C.a,
concat('val-', @a),
123456,
A.a + 10*B.a
from
t0 A, t0 B, t0 C;
insert into t2 select * from t1;
# This must have the same query plan as the query below it:
# type=range, key=index_date_updated, key_len=13
explain
select * from t1 force index(index_date_updated)
where index_date_updated= 10 and index_id < 800;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range index_date_updated index_date_updated 13 NULL # Using index condition
# This used to work from the start:
explain
select * from t2 force index(index_date_updated)
where index_date_updated= 10 and index_id < 800;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range index_date_updated index_date_updated 13 NULL # Using index condition
drop table t0,t1,t2;
#
# MDEV-11196: Error:Run-Time Check Failure #2 - Stack around the variable 'key_buff'
# was corrupted, server crashes in opt_sum_query
set @save_innodb_file_format= @@innodb_file_format;
set @save_innodb_large_prefix= @@innodb_large_prefix;
set global innodb_file_format = BARRACUDA;
set global innodb_large_prefix = ON;
CREATE TABLE t1 (
pk INT,
f1 VARCHAR(3),
f2 VARCHAR(1024),
PRIMARY KEY (pk),
KEY(f2)
) ENGINE=InnoDB CHARSET utf8 ROW_FORMAT= DYNAMIC;
INSERT INTO t1 VALUES (1,'foo','abc'),(2,'bar','def');
SELECT MAX(t2.pk) FROM t1 t2 INNER JOIN t1 t3 ON t2.f1 = t3.f1 WHERE t2.pk <= 4;
MAX(t2.pk)
2
drop table t1;
CREATE TABLE t1 (
pk1 INT,
pk2 INT,
f1 VARCHAR(3),
f2 VARCHAR(1021),
PRIMARY KEY (pk1,pk2),
KEY(f2)
) ENGINE=InnoDB CHARSET utf8 ROW_FORMAT= DYNAMIC;
INSERT INTO t1 VALUES (1,2,'2','abc'),(2,3,'3','def');
explain
select * from t1 force index(f2) where pk1 <= 5 and pk2 <=5 and f2 = 'abc' and f1 <= '3';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range f2 f2 3070 NULL 1 Using index condition; Using where
drop table t1;
CREATE TABLE t1 (
f2 INT,
pk2 INT,
f1 VARCHAR(3),
pk1 VARCHAR(1000),
PRIMARY KEY (pk1,pk2),
KEY k1(pk1,f2)
) ENGINE=InnoDB CHARSET utf8 ROW_FORMAT= DYNAMIC;
INSERT INTO t1 VALUES (1,2,'2','abc'),(2,3,'3','def');
explain
select * from t1 force index(k1) where f2 <= 5 and pk2 <=5 and pk1 = 'abc' and f1 <= '3';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range k1 k1 3011 NULL 1 Using index condition; Using where
drop table t1;
set optimizer_switch=@save_ext_key_optimizer_switch;
set global innodb_file_format = @save_innodb_file_format;
set global innodb_large_prefix = @save_innodb_large_prefix;
set optimizer_switch=@save_ext_key_optimizer_switch;
SET SESSION STORAGE_ENGINE=DEFAULT;