database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00
Code Activity

Merge 10.4 into 10.5

Browse Source
This commit is contained in:
Marko Mäkelä
2023-09-11 11:29:31 +03:00
parent b08474435f 65c99207e0
commit f8f7d9de2c
83 changed files with 1045 additions and 22797 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
mysql-test/main/long_unique_bugs.test
View File

@@ -456,6 +456,38 @@ create table t1 (f text not null, unique (f));
insert into t1 (f) select 'f';
drop table t1;
--echo #
--echo # MDEV-32012 hash unique corrupts index on virtual blobs
--echo #
create table t1 (
f1 varchar(25),
v1 mediumtext generated always as (concat('f1:', f1)) virtual,
unique key (f1) using hash,
key (v1(1000))
);
flush status;
insert ignore t1 (f1) values (9599),(94410);
# handler_read_next must be 1 below, meaning there was a hash collision above.
# if a change in the hash function causes these values not to collide anymore,
# the test must be adjusted to use some other values that collide.
# to find a collision add an assert into check_duplicate_long_entry_key()
# and run, like, insert...select * seq_from_1_to_1000000000
show status like 'handler_read_next';
--echo # the above MUST BE =1
check table t1 extended;
update t1 set f1=100 where f1=9599;
update t1 set f1=9599 where f1=100;
check table t1 extended;
drop table t1;
--echo #
--echo # MDEV-32015 insert into an empty table fails with hash unique
--echo #
create table t1 (f1 varchar(25), unique (f1) using hash);
insert ignore t1 (f1) values ('new york'),('virginia'),('spouse'),(null),('zqekmqpwutxnzddrbjycyo'),('nebraska'),('illinois'),('qe'),('ekmqpwut'),('arizona'),('arizona');
check table t1 extended;
drop table t1;
--echo #
--echo # End of 10.4 tests
--echo #