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connect con1, localhost, user1, , ;
begin;
insert into test.t1 values (1), (2), (3);
commit;
begin;
select * from test.t1 for update;
a
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connect con2, localhost, user2, , ;
alter table test.t1 add column (b int);
connection default;
call dump_one_thread('user1');
username event_name sql_text
user1 statement/sql/select select * from test.t1 for update
username event_name nesting_event_type
username event_name nesting_event_type
user1 stage/sql/Sending data STATEMENT
user1 stage/sql/End of update loop STATEMENT
user1 stage/sql/Query end STATEMENT
user1 stage/sql/Commit STATEMENT
user1 stage/sql/Closing tables STATEMENT
user1 stage/sql/Unlocking tables STATEMENT
user1 stage/sql/Closing tables STATEMENT
user1 stage/sql/Starting cleanup STATEMENT
user1 stage/sql/Freeing items STATEMENT
user1 stage/sql/Reset for next command STATEMENT
call dump_one_thread('user2');
username event_name sql_text
user2 statement/sql/alter_table alter table test.t1 add column (b int)
username event_name nesting_event_type
user2 stage/sql/Waiting for table metadata lock STATEMENT
username event_name nesting_event_type
user2 stage/sql/Init STATEMENT
user2 stage/sql/Checking permissions STATEMENT
user2 stage/sql/Init for update STATEMENT
user2 stage/sql/Opening tables STATEMENT
user2 stage/sql/After opening tables STATEMENT
user2 stage/sql/Setup STATEMENT
user2 stage/sql/Creating table STATEMENT
user2 stage/sql/After create STATEMENT
connection con1;
commit;
disconnect con1;
connection con2;
disconnect con2;
connection default;
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