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Commit 985f63cc authored by Oleksandr Byelkin's avatar Oleksandr Byelkin
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Merge branch '10.1' into 10.2

parents e84c62d5 530da97c
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Showing with 526 additions and 7 deletions
CMakeLists.txt
View file @ 985f63cc
......@@ -144,8 +144,6 @@ INCLUDE(mysql_version)
INCLUDE(cpack_source_ignore_files)
INCLUDE(install_layout)
INCLUDE(wsrep)
INCLUDE(cpack_rpm)
INCLUDE(cpack_deb)
# Add macros
INCLUDE(character_sets)
......@@ -390,6 +388,9 @@ IF(WITH_UNIT_TESTS)
ENDIF()
ENDIF()
INCLUDE(cpack_rpm)
INCLUDE(cpack_deb)
SET (MYSQLD_STATIC_PLUGIN_LIBS "" CACHE INTERNAL "")
INCLUDE(submodules)
......
cmake/cpack_rpm.cmake
View file @ 985f63cc
......@@ -227,6 +227,14 @@ ELSEIF(RPM MATCHES "fedora" OR RPM MATCHES "(rhel|centos)7")
ALTERNATIVE_NAME("test" "mariadb-test")
ELSEIF(RPM MATCHES "(rhel|centos)8")
SET(PYTHON_SHEBANG "/usr/bin/python3")
ELSEIF(RPM MATCHES "sles")
ALTERNATIVE_NAME("server" "mariadb")
SETA(CPACK_RPM_server_PACKAGE_PROVIDES
"mysql = %{version}-%{release}"
"mariadb_${MAJOR_VERSION}${MINOR_VERSION} = %{version}-%{release}"
"mariadb-${MAJOR_VERSION}${MINOR_VERSION} = %{version}-%{release}"
"mariadb-server = %{version}-%{release}"
)
ENDIF()
# If we want to build build MariaDB-shared-compat,
......
mysql-test/r/processlist_notembedded.result
View file @ 985f63cc
......@@ -3,10 +3,11 @@
#
connect con1,localhost,root,,;
connection con1;
SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync';
SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync WAIT_FOR go';
connection default;
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
FOUND 1 /sleep \(30\)/ in MDEV-20466.text
FOUND 1 /sleep/ in MDEV-20466.text
SET DEBUG_SYNC= 'now SIGNAL go';
disconnect con1;
SET DEBUG_SYNC = 'RESET';
End of 5.5 tests
mysql-test/suite/innodb/r/foreign_key.result
View file @ 985f63cc
......@@ -209,6 +209,7 @@ ERROR 70100: Query execution was interrupted
connection con1;
ROLLBACK;
connection default;
disconnect con1;
DROP TABLE t3,t1;
#
# MDEV-18222 InnoDB: Failing assertion: heap->magic_n == MEM_BLOCK_MAGIC_N
......@@ -291,6 +292,121 @@ ALTER TABLE t1 DROP f3;
ALTER TABLE t1 CHANGE f f3 INT;
DROP TABLE t1;
SET FOREIGN_KEY_CHECKS=1;
#
# Bug #19471516 SERVER CRASHES WHEN EXECUTING ALTER TABLE
# ADD FOREIGN KEY
#
CREATE TABLE `department` (`department_id` INT, `department_people_fk` INT,
PRIMARY KEY (`department_id`)) engine=innodb;
CREATE TABLE `title` (`title_id` INT, `title_manager_fk` INT,
`title_reporter_fk` INT, PRIMARY KEY (`title_id`)) engine=innodb;
CREATE TABLE `people` (`people_id` INT, PRIMARY KEY (`people_id`)) engine=innodb;
ALTER TABLE `department` ADD FOREIGN KEY (`department_people_fk`) REFERENCES
`people` (`people_id`);
ALTER TABLE `title` ADD FOREIGN KEY (`title_manager_fk`) REFERENCES `people`
(`people_id`);
ALTER TABLE `title` ADD FOREIGN KEY (`title_reporter_fk`) REFERENCES `people`
(`people_id`);
drop table title, department, people;
create table t1 (a int primary key, b int) engine=innodb;
create table t2 (c int primary key, d int,
foreign key (d) references t1 (a) on update cascade) engine=innodb;
insert t1 values (1,1),(2,2),(3,3);
insert t2 values (4,1),(5,2),(6,3);
flush table t2 with read lock;
connect con1,localhost,root;
delete from t1 where a=2;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`d`) REFERENCES `t1` (`a`) ON UPDATE CASCADE)
update t1 set a=10 where a=1;
connection default;
unlock tables;
connection con1;
connection default;
lock table t2 write;
connection con1;
delete from t1 where a=2;
connection default;
unlock tables;
connection con1;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`d`) REFERENCES `t1` (`a`) ON UPDATE CASCADE)
connection default;
unlock tables;
disconnect con1;
create user foo;
grant select,update on test.t1 to foo;
connect foo,localhost,foo;
update t1 set a=30 where a=3;
disconnect foo;
connection default;
select * from t2;
c d
5 2
4 10
6 30
drop table t2, t1;
drop user foo;
#
# MDEV-17595 - Server crashes in copy_data_between_tables or
# Assertion `thd->transaction.stmt.is_empty() ||
# (thd->state_flags & Open_tables_state::BACKUPS_AVAIL)'
# fails in close_tables_for_reopen upon concurrent
# ALTER TABLE and FLUSH
#
CREATE TABLE t1 (a INT, KEY(a)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1),(2);
CREATE TABLE t2 (b INT, KEY(b)) ENGINE=InnoDB;
INSERT INTO t2 VALUES(2);
ALTER TABLE t2 ADD FOREIGN KEY(b) REFERENCES t1(a), LOCK=EXCLUSIVE;
DROP TABLE t2, t1;
create table t1 (pk int primary key, data int) engine=innodb;
insert t1 values (1,1),(2,2),(3,3);
create table t2 (t1_pk int, foreign key (t1_pk) references t1 (pk)) engine=innodb;
insert t2 values (1),(2);
insert t2 values (10);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`t1_pk`) REFERENCES `t1` (`pk`))
flush tables;
flush status;
update t1 set data=10 where pk+1>10;
show status like '%opened_tab%';
Variable_name Value
Opened_table_definitions 1
Opened_tables 1
flush tables;
flush status;
update t2 set t1_pk=11 where t1_pk+1>10;
show status like '%opened_tab%';
Variable_name Value
Opened_table_definitions 1
Opened_tables 1
flush tables;
flush status;
lock tables t1 write;
show status like '%opened_tab%';
Variable_name Value
Opened_table_definitions 2
Opened_tables 2
insert t1 values (4,4);
show status like '%opened_tab%';
Variable_name Value
Opened_table_definitions 2
Opened_tables 2
unlock tables;
create function foo() returns int
begin
insert t1 values (5,5);
return 5;
end|
flush tables;
flush status;
select foo();
foo()
5
show status like '%opened_tab%';
Variable_name Value
Opened_table_definitions 2
Opened_tables 2
drop function foo;
drop table t2, t1;
# Start of 10.2 tests
#
# MDEV-13246 Stale rows despite ON DELETE CASCADE constraint
......@@ -328,6 +444,7 @@ INSERT INTO matchmaking_group_users VALUES (10,1),(11,2);
INSERT INTO matchmaking_group_maps VALUES (10,55),(11,66);
BEGIN;
UPDATE users SET name = 'qux' WHERE id = 1;
connect con1,localhost,root;
connection con1;
SET innodb_lock_wait_timeout= 1;
DELETE FROM matchmaking_groups WHERE id = 10;
......@@ -538,4 +655,63 @@ Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;
#
# MDEV-17187 table doesn't exist in engine after ALTER other tables
# with CONSTRAINTs
#
set foreign_key_checks=on;
create table t1 (id int not null primary key) engine=innodb;
create table t2 (id int not null primary key, fid int not null,
CONSTRAINT fk_fid FOREIGN KEY (fid) REFERENCES t1 (id))engine=innodb;
insert into t1 values (1), (2), (3);
insert into t2 values (1, 1), (2, 1), (3, 2);
set foreign_key_checks=off;
alter table t2 drop index fk_fid;
set foreign_key_checks=on;
delete from t1 where id=2;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_fid` FOREIGN KEY (`fid`) REFERENCES `t1` (`id`))
insert into t2 values(4, 99);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_fid` FOREIGN KEY (`fid`) REFERENCES `t1` (`id`))
select * from t1;
id
1
2
3
select * from t2;
id fid
1 1
2 1
3 2
set foreign_key_checks=off;
delete from t1 where id=2;
insert into t2 values(4, 99);
set foreign_key_checks=on;
select * from t1;
id
1
3
select * from t2;
id fid
1 1
2 1
3 2
4 99
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
`fid` int(11) NOT NULL,
PRIMARY KEY (`id`),
CONSTRAINT `fk_fid` FOREIGN KEY (`fid`) REFERENCES `t1` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
drop table t1,t2;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
drop table t1,t2;
ERROR 42S02: Unknown table 'test.t2'
# End of 10.2 tests
mysql-test/suite/innodb/r/foreign_key_debug.result 0 → 100644
View file @ 985f63cc
create table t1 (f1 int primary key) engine=innodb;
create table t2 (f2 int primary key) engine=innodb;
create table t3 (f3 int primary key, foreign key (f3) references t2(f2)) engine=innodb;
insert into t1 values (1),(2),(3),(4),(5);
insert into t2 values (1),(2),(3),(4),(5);
insert into t3 values (1),(2),(3),(4),(5);
connect con1,localhost,root;
set debug_sync='alter_table_before_rename_result_table signal g1 wait_for g2';
alter table t2 add constraint foreign key (f2) references t1(f1) on delete cascade on update cascade;
connection default;
set debug_sync='before_execute_sql_command wait_for g1';
update t1 set f1 = f1 + 100000 limit 2;
connect con2,localhost,root;
kill query UPDATE;
disconnect con2;
connection default;
ERROR 70100: Query execution was interrupted
set debug_sync='now signal g2';
connection con1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`f2` int(11) NOT NULL,
PRIMARY KEY (`f2`),
CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f2`) REFERENCES `t1` (`f1`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1
disconnect con1;
connection default;
select * from t2 where f2 not in (select f1 from t1);
f2
select * from t3 where f3 not in (select f2 from t2);
f3
drop table t3;
drop table t2;
drop table t1;
set debug_sync='reset';
#
# MDEV-16060 - InnoDB: Failing assertion: ut_strcmp(index->name, key->name)
#
CREATE TABLE t1 (`pk` INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t2 LIKE t1;
FLUSH TABLES;
SET debug_sync='alter_table_intermediate_table_created SIGNAL ready WAIT_FOR go';
ALTER TABLE t1 ADD FOREIGN KEY(pk) REFERENCES t2(pk) ON UPDATE CASCADE;
connect con1, localhost, root;
SET debug_sync='now WAIT_FOR ready';
SET lock_wait_timeout=1;
UPDATE t2 SET pk=10 WHERE pk=1;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
PREPARE stmt FROM 'UPDATE t2 SET pk=10 WHERE pk=1';
DEALLOCATE PREPARE stmt;
FLUSH TABLE t2;
SET debug_sync='now SIGNAL go';
connection default;
disconnect con1;
connection default;
SET debug_sync='reset';
SHOW OPEN TABLES FROM test;
Database Table In_use Name_locked
DROP TABLE t1, t2;
mysql-test/suite/innodb/t/foreign_key.test
View file @ 985f63cc
......@@ -195,6 +195,7 @@ reap;
connection con1;
ROLLBACK;
connection default;
disconnect con1;
DROP TABLE t3,t1;
......@@ -281,6 +282,136 @@ DROP TABLE t1;
SET FOREIGN_KEY_CHECKS=1;
--echo #
--echo # Bug #19471516 SERVER CRASHES WHEN EXECUTING ALTER TABLE
--echo # ADD FOREIGN KEY
--echo #
CREATE TABLE `department` (`department_id` INT, `department_people_fk` INT,
PRIMARY KEY (`department_id`)) engine=innodb;
CREATE TABLE `title` (`title_id` INT, `title_manager_fk` INT,
`title_reporter_fk` INT, PRIMARY KEY (`title_id`)) engine=innodb;
CREATE TABLE `people` (`people_id` INT, PRIMARY KEY (`people_id`)) engine=innodb;
ALTER TABLE `department` ADD FOREIGN KEY (`department_people_fk`) REFERENCES
`people` (`people_id`);
ALTER TABLE `title` ADD FOREIGN KEY (`title_manager_fk`) REFERENCES `people`
(`people_id`);
ALTER TABLE `title` ADD FOREIGN KEY (`title_reporter_fk`) REFERENCES `people`
(`people_id`);
drop table title, department, people;
#
# FK and prelocking:
# child table accesses (reads and writes) wait for locks.
#
create table t1 (a int primary key, b int) engine=innodb;
create table t2 (c int primary key, d int,
foreign key (d) references t1 (a) on update cascade) engine=innodb;
insert t1 values (1,1),(2,2),(3,3);
insert t2 values (4,1),(5,2),(6,3);
flush table t2 with read lock; # this takes MDL_SHARED_NO_WRITE
connect (con1,localhost,root);
--error ER_ROW_IS_REFERENCED_2
delete from t1 where a=2;
send update t1 set a=10 where a=1;
connection default;
let $wait_condition= select 1 from information_schema.processlist where state='Waiting for table metadata lock';
source include/wait_condition.inc;
unlock tables;
connection con1;
reap;
connection default;
lock table t2 write; # this takes MDL_SHARED_NO_READ_WRITE
connection con1;
send delete from t1 where a=2;
connection default;
let $wait_condition= select 1 from information_schema.processlist where state='Waiting for table metadata lock';
source include/wait_condition.inc;
unlock tables;
connection con1;
--error ER_ROW_IS_REFERENCED_2
reap;
connection default;
unlock tables;
disconnect con1;
# but privileges should not be checked
create user foo;
grant select,update on test.t1 to foo;
connect(foo,localhost,foo);
update t1 set a=30 where a=3;
disconnect foo;
connection default;
select * from t2;
drop table t2, t1;
drop user foo;
--echo #
--echo # MDEV-17595 - Server crashes in copy_data_between_tables or
--echo # Assertion `thd->transaction.stmt.is_empty() ||
--echo # (thd->state_flags & Open_tables_state::BACKUPS_AVAIL)'
--echo # fails in close_tables_for_reopen upon concurrent
--echo # ALTER TABLE and FLUSH
--echo #
CREATE TABLE t1 (a INT, KEY(a)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1),(2);
CREATE TABLE t2 (b INT, KEY(b)) ENGINE=InnoDB;
INSERT INTO t2 VALUES(2);
ALTER TABLE t2 ADD FOREIGN KEY(b) REFERENCES t1(a), LOCK=EXCLUSIVE;
DROP TABLE t2, t1;
#
# MDEV-22180 Planner opens unnecessary tables when updated table is referenced by foreign keys
#
create table t1 (pk int primary key, data int) engine=innodb;
insert t1 values (1,1),(2,2),(3,3);
create table t2 (t1_pk int, foreign key (t1_pk) references t1 (pk)) engine=innodb;
insert t2 values (1),(2);
error ER_NO_REFERENCED_ROW_2;
insert t2 values (10);
flush tables;
flush status;
# with ON UPDATE RESTRICT child tables are not opened
update t1 set data=10 where pk+1>10;
show status like '%opened_tab%';
flush tables;
flush status;
# neither are parent tables
update t2 set t1_pk=11 where t1_pk+1>10;
show status like '%opened_tab%';
# under LOCK TABLES
flush tables;
flush status;
lock tables t1 write;
show status like '%opened_tab%';
insert t1 values (4,4);
show status like '%opened_tab%';
unlock tables;
delimiter |;
create function foo() returns int
begin
insert t1 values (5,5);
return 5;
end|
delimiter ;|
flush tables;
flush status;
select foo();
show status like '%opened_tab%';
drop function foo;
drop table t2, t1;
#
# End of 10.1 tests
#
--echo # Start of 10.2 tests
--echo #
......@@ -326,6 +457,7 @@ INSERT INTO matchmaking_group_maps VALUES (10,55),(11,66);
BEGIN;
UPDATE users SET name = 'qux' WHERE id = 1;
connect (con1,localhost,root);
--connection con1
SET innodb_lock_wait_timeout= 1;
DELETE FROM matchmaking_groups WHERE id = 10;
......@@ -520,6 +652,52 @@ CHECK TABLE t1;
DROP TABLE t1;
SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;
--echo #
--echo # MDEV-17187 table doesn't exist in engine after ALTER other tables
--echo # with CONSTRAINTs
--echo #
set foreign_key_checks=on;
create table t1 (id int not null primary key) engine=innodb;
create table t2 (id int not null primary key, fid int not null,
CONSTRAINT fk_fid FOREIGN KEY (fid) REFERENCES t1 (id))engine=innodb;
insert into t1 values (1), (2), (3);
insert into t2 values (1, 1), (2, 1), (3, 2);
set foreign_key_checks=off;
alter table t2 drop index fk_fid;
set foreign_key_checks=on;
--error ER_ROW_IS_REFERENCED_2
delete from t1 where id=2;
--error ER_NO_REFERENCED_ROW_2
insert into t2 values(4, 99);
select * from t1;
select * from t2;
set foreign_key_checks=off;
delete from t1 where id=2;
insert into t2 values(4, 99);
set foreign_key_checks=on;
select * from t1;
select * from t2;
show create table t1;
show create table t2;
# Optional: test DROP TABLE without any prior ha_innobase::open().
# This was tested manually, but it would cause --embedded to skip the test,
# and the restart would significantly increase the running time.
# --source include/restart_mysqld.inc
--error ER_ROW_IS_REFERENCED_2
drop table t1,t2;
--error ER_BAD_TABLE_ERROR
drop table t1,t2;
--echo # End of 10.2 tests
--source include/wait_until_count_sessions.inc
mysql-test/suite/innodb/t/foreign_key_debug.test 0 → 100644
View file @ 985f63cc
--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
--enable_connect_log
#
# MDEV-16465 Invalid (old?) table or database name or hang in ha_innobase::delete_table and log semaphore wait upon concurrent DDL with foreign keys
#
create table t1 (f1 int primary key) engine=innodb;
create table t2 (f2 int primary key) engine=innodb;
create table t3 (f3 int primary key, foreign key (f3) references t2(f2)) engine=innodb;
insert into t1 values (1),(2),(3),(4),(5);
insert into t2 values (1),(2),(3),(4),(5);
insert into t3 values (1),(2),(3),(4),(5);
connect con1,localhost,root;
set debug_sync='alter_table_before_rename_result_table signal g1 wait_for g2';
send alter table t2 add constraint foreign key (f2) references t1(f1) on delete cascade on update cascade;
connection default;
let $conn=`select connection_id()`;
set debug_sync='before_execute_sql_command wait_for g1';
send update t1 set f1 = f1 + 100000 limit 2;
connect con2,localhost,root;
let $wait_condition= select 1 from information_schema.processlist where state='Waiting for table metadata lock' and info like 'update t1 %';
source include/wait_condition.inc;
--replace_result $conn UPDATE
eval kill query $conn;
disconnect con2;
connection default;
error ER_QUERY_INTERRUPTED;
reap;
set debug_sync='now signal g2';
connection con1;
reap;
show create table t2;
disconnect con1;
connection default;
select * from t2 where f2 not in (select f1 from t1);
select * from t3 where f3 not in (select f2 from t2);
drop table t3;
drop table t2;
drop table t1;
set debug_sync='reset';
--echo #
--echo # MDEV-16060 - InnoDB: Failing assertion: ut_strcmp(index->name, key->name)
--echo #
CREATE TABLE t1 (`pk` INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t2 LIKE t1;
FLUSH TABLES;
SET debug_sync='alter_table_intermediate_table_created SIGNAL ready WAIT_FOR go';
send ALTER TABLE t1 ADD FOREIGN KEY(pk) REFERENCES t2(pk) ON UPDATE CASCADE;
connect con1, localhost, root;
SET debug_sync='now WAIT_FOR ready';
SET lock_wait_timeout=1; # change to 0 in 10.3
--error ER_LOCK_WAIT_TIMEOUT
UPDATE t2 SET pk=10 WHERE pk=1;
PREPARE stmt FROM 'UPDATE t2 SET pk=10 WHERE pk=1';
DEALLOCATE PREPARE stmt;
FLUSH TABLE t2;
SET debug_sync='now SIGNAL go';
connection default;
reap;
# Cleanup
disconnect con1;
connection default;
SET debug_sync='reset';
SHOW OPEN TABLES FROM test;
DROP TABLE t1, t2;
#
# End of 10.1 tests
#
mysql-test/t/processlist_notembedded.test
View file @ 985f63cc
source include/have_debug.inc;
source include/have_debug_sync.inc;
source include/not_embedded.inc;
source include/count_sessions.inc;
--echo #
--echo # MDEV-20466: SHOW PROCESSLIST truncates query text on \0 bytes
......@@ -10,9 +11,9 @@ connect (con1,localhost,root,,);
connection con1;
let $q= `select CONCAT("SELECT user FROM mysql.user WHERE user ='some", CHAR(0), "' or sleep (30)")`;
let $q= `select CONCAT("SELECT user FROM mysql.user WHERE user ='some", CHAR(0), "sleep'")`;
SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync';
SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync WAIT_FOR go';
--disable_query_log
--send_eval $q;
--enable_query_log
......@@ -23,12 +24,16 @@ SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
exec $MYSQL test -e "SHOW PROCESSLIST" > $MYSQLTEST_VARDIR/tmp/MDEV-20466.text;
let SEARCH_FILE=$MYSQLTEST_VARDIR/tmp/MDEV-20466.text;
let SEARCH_PATTERN=sleep \(30\);
let SEARCH_PATTERN=sleep;
source include/search_pattern_in_file.inc;
remove_file $MYSQLTEST_VARDIR/tmp/MDEV-20466.text;
SET DEBUG_SYNC= 'now SIGNAL go';
disconnect con1;
SET DEBUG_SYNC = 'RESET';
source include/wait_until_count_sessions.inc;
--echo End of 5.5 tests
sql/sql_base.cc
View file @ 985f63cc
......@@ -4445,10 +4445,19 @@ bool Lock_tables_prelocking_strategy::
handle_table(THD *thd, Query_tables_list *prelocking_ctx,
TABLE_LIST *table_list, bool *need_prelocking)
{
TABLE_LIST **last= prelocking_ctx->query_tables_last;
if (DML_prelocking_strategy::handle_table(thd, prelocking_ctx, table_list,
need_prelocking))
return TRUE;
/*
normally we don't need to open FK-prelocked tables for RESTRICT,
MDL is enough. But under LOCK TABLES we have to open everything
*/
for (TABLE_LIST *tl= *last; tl; tl= tl->next_global)
tl->open_strategy= TABLE_LIST::OPEN_NORMAL;
/* We rely on a caller to check that table is going to be changed. */
DBUG_ASSERT(table_list->lock_type >= TL_WRITE_ALLOW_WRITE);
......
sql/table.h
View file @ 985f63cc
......@@ -1818,6 +1818,9 @@ struct TABLE_LIST
open_type= routine ? OT_TEMPORARY_OR_BASE : OT_BASE_ONLY;
belong_to_view= belong_to_view_arg;
trg_event_map= trg_event_map_arg;
/* MDL is enough for read-only FK checks, we don't need the table */
if (prelocking_placeholder == FK && lock_type < TL_WRITE_ALLOW_WRITE)
open_strategy= OPEN_STUB;
**last_ptr= this;
prev_global= *last_ptr;
......
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