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begin;
insert into test.t1 values (1), (2), (3);
commit;
begin;
select * from test.t1 for update;
a
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alter table test.t1 add column (b int);
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/optimizing STATEMENT
user1 stage/sql/statistics STATEMENT
user1 stage/sql/preparing STATEMENT
user1 stage/sql/executing STATEMENT
user1 stage/sql/Sending data STATEMENT
user1 stage/sql/end STATEMENT
user1 stage/sql/query end STATEMENT
user1 stage/sql/closing tables STATEMENT
user1 stage/sql/freeing items STATEMENT
user1 stage/sql/cleaning up 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/checking permissions STATEMENT
user2 stage/sql/init STATEMENT
user2 stage/sql/Opening tables STATEMENT
user2 stage/sql/setup STATEMENT
user2 stage/sql/creating table STATEMENT
user2 stage/sql/After create STATEMENT
commit;
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