test-example-projects/c++_projects/280w-mysql-8.0.18/mysql-test/t/init_connect.test

#
# Test of init_connect variable
#
# Save the initial number of concurrent sessions
--source include/count_sessions.inc

--source include/add_anonymous_users.inc

connect (con0,localhost,root,,);
connection con0;
select hex(@a);
connect (con1,localhost,user_1,,);
connection con1;
select hex(@a);
connection con0;
set global init_connect="set @a=2;set @b=3";
connect (con2,localhost,user_1,,);
connection con2;
select @a, @b;
connection con0;
set GLOBAL init_connect=DEFAULT;
connect (con3,localhost,user_1,,);
connection con3;
select @a;
connection con0;
set global init_connect="drop table if exists t1; create table t1(a char(10));\
insert into t1 values ('\0');insert into t1 values('abc')";
connect (con4,localhost,user_1,,);
connection con4;
select hex(a) from t1;
connection con0;
set GLOBAL init_connect="adsfsdfsdfs";
connect (con5,localhost,user_1,,);
connection con5;
# BUG#11755281/47032: ERROR 2006 / ERROR 2013 INSTEAD OF PROPER ERROR MESSAGE
# We now throw a proper error message here:
--replace_regex /connection .* to/connection to/
--error ER_NEW_ABORTING_CONNECTION
select @a;
# We got disconnected after receiving the above error message; any further
# requests should fail with a notice that no one's listening to us.
# --error CR_SERVER_GONE_ERROR,CR_SERVER_LOST
--error 2013,2006
select @a;
connection con0;
drop table t1;

disconnect con1;
disconnect con2;
disconnect con3;
disconnect con4;
disconnect con5;

--source include/delete_anonymous_users.inc

--echo End of 4.1 tests
#
# Test 5.* features
#

create table t1 (x int);
insert into t1 values (3), (5), (7);
create table t2 (y int);

create user mysqltest1@localhost;
grant all privileges on test.* to mysqltest1@localhost;
#
# Create a simple procedure
#
set global init_connect="create procedure p1() select * from t1";
connect (con1,localhost,mysqltest1,,);
connection con1;
call p1();
drop procedure p1;

connection con0;
disconnect con1;
#
# Create a multi-result set procedure
#
set global init_connect="create procedure p1(x int)\
begin\
  select count(*) from t1;\
  select * from t1;\
  set @x = x;
end";
connect (con1,localhost,mysqltest1,,);
connection con1;
call p1(42);
select @x;

connection con0;
disconnect con1;
#
# Just call it - this will not generate any output
#
set global init_connect="call p1(4711)";
connect (con1,localhost,mysqltest1,,);
connection con1;
select @x;

connection con0;
disconnect con1;
#
# Drop the procedure
#
set global init_connect="drop procedure if exists p1";
connect (con1,localhost,mysqltest1,,);
connection con1;
--error ER_SP_DOES_NOT_EXIST
call p1();

connection con0;
disconnect con1;
#
# Execution of a more complex procedure
#
delimiter |;
create procedure p1(out sum int)
begin
  declare n int default 0;
  declare c cursor for select * from t1;
  declare exit handler for not found
    begin
      close c;
      set sum = n;
    end;

  open c;
  loop
    begin
      declare x int;

      fetch c into x;
      if x > 3 then
        set n = n + x;
      end if;
    end;
  end loop;
end|
delimiter ;|
# Call the procedure with a cursor
set global init_connect="call p1(@sum)";
connect (con1,localhost,mysqltest1,,);
connection con1;
select @sum;

connection con0;
disconnect con1;
drop procedure p1;
#
# Test Dynamic SQL
#
delimiter |;
create procedure p1(tbl char(10), v int)
begin
  set @s = concat('insert into ', tbl, ' values (?)');
  set @v = v;
  prepare stmt1 from @s;
  execute stmt1 using @v;
  deallocate prepare stmt1;
end|
delimiter ;|
# Call the procedure with prepared statements
set global init_connect="call p1('t1', 11)";
connect (con1,localhost,mysqltest1,,);
connection con1;
select * from t1;

connection con0;
disconnect con1;
drop procedure p1;
#
# Stored functions
#
delimiter |;
create function f1() returns int
begin
  declare n int;

  select count(*) into n from t1;
  return n;
end|
delimiter ;|
# Invoke a function
set global init_connect="set @x = f1()";
connect (con1,localhost,mysqltest1,,);
connection con1;
select @x;

connection con0;
disconnect con1;
#
# Create a view
#
set global init_connect="create view v1 as select f1()";
connect (con1,localhost,mysqltest1,,);
connection con1;
select * from v1;

connection con0;
disconnect con1;
#
# Drop the view
#
set global init_connect="drop view v1";
connect (con1,localhost,mysqltest1,,);
connection con1;
--error ER_NO_SUCH_TABLE
select * from v1;

connection con0;
disconnect con1;
drop function f1;

# We can't test "create trigger", since this requires super privileges
# in 5.0, but with super privileges, init_connect is not executed.
# (However, this can be tested in 5.1)
#
#set global init_connect="create trigger trg1\
#  after insert on t2\
#  for each row\
#  insert into t1 values (new.y)";
#connect (con1,localhost,mysqltest1,,);
#connection con1;
#insert into t2 values (2), (4);
#select * from t1;
#
#connection con0;
#disconnect con1;

create trigger trg1
  after insert on t2
  for each row
  insert into t1 values (new.y);

# Invoke trigger
set global init_connect="insert into t2 values (13), (17), (19)";
connect (con1,localhost,mysqltest1,,);
connection con1;
select * from t1;

connection default;
disconnect con0;
disconnect con1;

drop trigger trg1;

revoke all privileges, grant option from mysqltest1@localhost;
drop user mysqltest1@localhost;
drop table t1, t2;

--echo ###
--echo ### Bug#25968185: INIT_CONNECT PREVENTS CONNECTIONS IF PASSWORD EXPIRED
--echo ###

call mtr.add_suppression("\\[Warning\\] \\[.*\\] init_connect variable is ignored for user:.* host: localhost due to expired password.");

CREATE USER user1@localhost PASSWORD EXPIRE;
CREATE USER ''@localhost;
UPDATE mysql.user SET password_expired='Y' WHERE user='' AND host='localhost';
SELECT user, password_expired FROM mysql.user WHERE user='' AND host='localhost';
FLUSH PRIVILEGES;

SET GLOBAL init_connect="set @a=2;";

#SCENARRIO 1:- Normal user with expired password.
connect (con1,localhost,user1,,);
connection con1;

let SEARCH_FILE=$MYSQLTEST_VARDIR/log/mysqld.1.err;
let SEARCH_PATTERN=\[Warning\] \[.*\] init_connect variable is ignored for user: user1 host: localhost due to expired password.;
--source include/search_pattern.inc

--error ER_MUST_CHANGE_PASSWORD
SELECT @a;
SET PASSWORD = 'abc';
SELECT @a;

connection default;
disconnect con1;

#SCENARRIO 2:- Anonymous user with expired password.
connect (con2,localhost,anonymous,,);
connection con2;

let SEARCH_FILE=$MYSQLTEST_VARDIR/log/mysqld.1.err;
let SEARCH_PATTERN=\[Warning\] \[.*\] init_connect variable is ignored for user:  host: localhost due to expired password.;
--source include/search_pattern.inc

--error ER_MUST_CHANGE_PASSWORD
SELECT @a;

connection default;
disconnect con2;

DROP USER user1@localhost;
DROP USER ''@localhost;

# Set init connect back to the value provided in init_connect-master.opt
# doesn't matter as server will be restarted
set global init_connect="set @a='a\\0c'";

# Wait till all disconnects are completed
--source include/wait_until_count_sessions.inc