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mirror of https://github.com/MariaDB/server.git synced 2025-08-07 00:04:31 +03:00

MDEV-29069 follow-up: support partially usable keys

This commit is contained in:
Nikita Malyavin
2022-07-25 23:49:02 +03:00
committed by Sergei Golubchik
parent bac728a263
commit 30756775d5
7 changed files with 336 additions and 24 deletions

View File

@@ -216,4 +216,149 @@ a
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drop table t1;
connection slave;
connection master;
set binlog_row_image=minimal;
create table t1(a int primary key auto_increment, b int unique);
insert into t1 values(1, 1);
insert into t1 values(2, 2);
insert into t1 values(3, 3);
insert into t1 values(4, 4);
insert into t1 values(5, 5);
connection slave;
alter table t1 add column d1 int default (b),
add column z1 int as (b+1) virtual,
add column z2 int as (b+2) persistent;
connection master;
insert into t1 values(6, 6);
update t1 set a = 11 where a = 1;
update t1 set b = 12 where b = 2;
delete from t1 where a = 3;
delete from t1 where b = 5;
update t1 set b = 16 where a = 6;
connection slave;
select * from t1;
a b d1 z1 z2
11 1 1 2 3
2 12 2 13 14
4 4 4 5 6
6 16 6 17 18
# Cleanup
connection master;
drop table t1;
connection slave;
connection master;
set binlog_row_image=minimal;
#
# MDEV-29069 ER_KEY_NOT_FOUND upon online autoinc addition and
# concurrent DELETE
#
create or replace table t (a int);
insert into t values (10),(20),(30);
connection slave;
alter table t add pk int auto_increment primary key;
connection master;
delete from t where a = 20;
update t set a = a + 1 where a = 10;
connection slave;
select * from t;
a pk
11 1
30 3
connection master;
#
# Add clumsy DEFAULT
#
create or replace table t (a int);
insert into t values (10),(20),(30);
connection slave;
alter table t add b int default(RAND() * 20), add key(b),
algorithm=copy, lock=none;
connection master;
delete from t where a = 20;
update t set a = a + 1 where a = 10;
connection slave;
select a from t;
a
11
30
connection master;
# CURRENT_TIMESTAMP
create or replace table t (a int);
insert into t values (10),(20),(30);
connection slave;
alter table t add b timestamp default CURRENT_TIMESTAMP, add key(b);
connection master;
delete from t where a = 20;
update t set a = a + 1 where a = 10;
connection slave;
select a from t;
a
11
30
connection master;
# CURRENT_TIMESTAMP, mixed key
create or replace table t (a int);
insert into t values (10),(20),(30);
connection slave;
alter table t add b timestamp default CURRENT_TIMESTAMP, add key(a, b);
connection master;
delete from t where a = 20;
update t set a = a + 1 where a = 10;
connection slave;
select a from t;
a
11
30
connection master;
# Mixed primary key
create or replace table t (a int);
insert into t values (10),(20),(30);
connection slave;
alter table t add b int default (1), add primary key(b, a);
connection master;
delete from t where a = 20;
update t set a = a + 1 where a = 10;
connection slave;
select a from t;
a
11
30
connection master;
#
# Normal row, could be used as a key
#
create or replace table t (a int);
insert into t values (10),(20),(30);
connection slave;
alter table t add b int as (a * 10) unique;
connection master;
delete from t where a = 20;
update t set a = a + 1 where a = 10;
connection slave;
select * from t;
a b
11 110
30 300
connection master;
#
# Add key for old row
#
create or replace table t (a int);
insert into t values (10),(20),(30);
connection slave;
alter table t add unique(a);
connection master;
delete from t where a = 20;
update t set a = a + 1 where a = 10;
connection slave;
select * from t;
a
11
30
# Cleanup
connection master;
connection slave;
connection master;
drop table t;
include/rpl_end.inc