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mysql-5.7.39
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Oleksandr Byelkin
201
mysql-test/suite/perfschema/r/processlist.result
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201
mysql-test/suite/perfschema/r/processlist.result
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##
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## Test the Performance Schema-based implementation of SHOW PROCESSLIST.
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##
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## Test cases:
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## 1. Execute the new SHOW [FULL] PROCESSLIST and SELECT on performance_schema.processlist
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## 2. Execute the legacy SHOW [FULL] PROCESSLIST and SELECT on information_schema.processlist
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## 3. Verify that performance_schema_show_processlist = ON executes the new implementation
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## 4. Verify that performance_schema_show_processlist = OFF executes the legacy code path
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##
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## Results must be manually verified.
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### Setup ###
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select @@global.performance_schema_show_processlist into @save_processlist;
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create user user1@localhost, user2@localhost,
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user3@localhost, user4@localhost;
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grant ALL on *.* to user1@localhost;
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grant ALL on *.* to user2@localhost;
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grant ALL on *.* to user3@localhost;
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grant ALL on *.* to user4@localhost;
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flush privileges;
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use test;
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create table test.t1 (s1 int, s2 int, s3 int, s4 int);
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# Switch to (con0, localhost, root, , )
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insert into test.t1 values(1, 1, 1, 1);
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insert into test.t1 values(2, 2, 2, 2);
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insert into test.t1 values(3, 3, 3, 3);
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insert into test.t1 values(4, 4, 4, 4);
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# Lock test.t1, insert/update/deletes will block
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lock tables t1 read;
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# Connect (con1, localhost, user1, , )
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insert into test.t1 values (0, 0, 0, 0);
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# Connect (con2, localhost, user2, , )
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update test.t1 set s1 = s1 + 1, s2 = s2 + 2, s3 = s3 + 3, s4 = ((s4 + 4) * (s4 + 5)) + 12345 + 67890 + 11111 + 22222 + 33333 + 44444 + 55555 + 99999;;
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# Connect (con3, localhost, user3, , )
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delete from test.t1 where s1 = 3;
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# Connect (con4, localhost, user4, , )
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insert into test.t1 values (4, 4, 4, 4);
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# Connection default
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# Wait for queries to appear in the processlist table
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### Execute new SHOW [FULL] PROCESSLIST and SELECT on performance_schema.processlist
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set @@global.performance_schema_show_processlist = on;
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SHOW FULL PROCESSLIST;
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Id User Host db Command Time State Info
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<Id> event_scheduler <Host> NULL <Command> <Time> <State> NULL
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<Id> root <Host> test <Command> <Time> <State> NULL
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<Id> root <Host> test Query <Time> <State> SHOW FULL PROCESSLIST
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<Id> user1 <Host> test Query <Time> <State> insert into test.t1 values (0, 0, 0, 0)
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<Id> user2 <Host> test Query <Time> <State> update test.t1 set s1 = s1 + 1, s2 = s2 + 2, s3 = s3 + 3, s4 = ((s4 + 4) * (s4 + 5)) + 12345 + 67890 + 11111 + 22222 + 33333 + 44444 + 55555 + 99999
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<Id> user3 <Host> test Query <Time> <State> delete from test.t1 where s1 = 3
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<Id> user4 <Host> test Query <Time> <State> insert into test.t1 values (4, 4, 4, 4)
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# Performance Schema processlist table
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select * from performance_schema.processlist order by user, id;
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ID USER HOST DB COMMAND TIME STATE INFO
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<Id> event_scheduler <Host> NULL <Command> <Time> <State> NULL
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<Id> root <Host> test Query <Time> <State> select * from performance_schema.processlist order by user, id
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<Id> root <Host> test <Command> <Time> <State> NULL
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<Id> user1 <Host> test Query <Time> <State> insert into test.t1 values (0, 0, 0, 0)
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<Id> user2 <Host> test Query <Time> <State> update test.t1 set s1 = s1 + 1, s2 = s2 + 2, s3 = s3 + 3, s4 = ((s4 + 4) * (s4 + 5)) + 12345 + 67890 + 11111 + 22222 + 33333 + 44444 + 55555 + 99999
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<Id> user3 <Host> test Query <Time> <State> delete from test.t1 where s1 = 3
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<Id> user4 <Host> test Query <Time> <State> insert into test.t1 values (4, 4, 4, 4)
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# Information Schema processlist table
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select * from information_schema.processlist order by user, id;
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ID USER HOST DB COMMAND TIME STATE INFO
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<Id> event_scheduler <Host> NULL <Command> <Time> <State> NULL
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<Id> root <Host> test Query <Time> <State> select * from information_schema.processlist order by user, id
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<Id> root <Host> test <Command> <Time> <State> NULL
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<Id> user1 <Host> test Query <Time> <State> insert into test.t1 values (0, 0, 0, 0)
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<Id> user2 <Host> test Query <Time> <State> update test.t1 set s1 = s1 + 1, s2 = s2 + 2, s3 = s3 + 3, s4 = ((s4 + 4) * (s4 + 5)) + 12345 + 67890 + 11111 + 22222 + 33333 + 44444 + 55555 + 99999
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<Id> user3 <Host> test Query <Time> <State> delete from test.t1 where s1 = 3
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<Id> user4 <Host> test Query <Time> <State> insert into test.t1 values (4, 4, 4, 4)
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### Execute legacy SHOW [FULL] PROCESSLIST and SELECT on information_schema.processlist
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set @@global.performance_schema_show_processlist = off;
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SHOW FULL PROCESSLIST;
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Id User Host db Command Time State Info
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<Id> event_scheduler <Host> NULL <Command> <Time> <State> NULL
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<Id> root <Host> test <Command> <Time> <State> NULL
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<Id> root <Host> test Query <Time> <State> SHOW FULL PROCESSLIST
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<Id> user1 <Host> test Query <Time> <State> insert into test.t1 values (0, 0, 0, 0)
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<Id> user2 <Host> test Query <Time> <State> update test.t1 set s1 = s1 + 1, s2 = s2 + 2, s3 = s3 + 3, s4 = ((s4 + 4) * (s4 + 5)) + 12345 + 67890 + 11111 + 22222 + 33333 + 44444 + 55555 + 99999
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<Id> user3 <Host> test Query <Time> <State> delete from test.t1 where s1 = 3
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<Id> user4 <Host> test Query <Time> <State> insert into test.t1 values (4, 4, 4, 4)
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# Performance Schema processlist table
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select * from performance_schema.processlist order by user, id;
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ID USER HOST DB COMMAND TIME STATE INFO
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<Id> event_scheduler <Host> NULL <Command> <Time> <State> NULL
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<Id> root <Host> test Query <Time> <State> select * from performance_schema.processlist order by user, id
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<Id> root <Host> test <Command> <Time> <State> NULL
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<Id> user1 <Host> test Query <Time> <State> insert into test.t1 values (0, 0, 0, 0)
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<Id> user2 <Host> test Query <Time> <State> update test.t1 set s1 = s1 + 1, s2 = s2 + 2, s3 = s3 + 3, s4 = ((s4 + 4) * (s4 + 5)) + 12345 + 67890 + 11111 + 22222 + 33333 + 44444 + 55555 + 99999
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<Id> user3 <Host> test Query <Time> <State> delete from test.t1 where s1 = 3
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<Id> user4 <Host> test Query <Time> <State> insert into test.t1 values (4, 4, 4, 4)
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# Information Schema processlist table
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select * from information_schema.processlist order by user, id;
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ID USER HOST DB COMMAND TIME STATE INFO
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<Id> event_scheduler <Host> NULL <Command> <Time> <State> NULL
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<Id> root <Host> test Query <Time> <State> select * from information_schema.processlist order by user, id
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<Id> root <Host> test <Command> <Time> <State> NULL
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<Id> user1 <Host> test Query <Time> <State> insert into test.t1 values (0, 0, 0, 0)
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<Id> user2 <Host> test Query <Time> <State> update test.t1 set s1 = s1 + 1, s2 = s2 + 2, s3 = s3 + 3, s4 = ((s4 + 4) * (s4 + 5)) + 12345 + 67890 + 11111 + 22222 + 33333 + 44444 + 55555 + 99999
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<Id> user3 <Host> test Query <Time> <State> delete from test.t1 where s1 = 3
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<Id> user4 <Host> test Query <Time> <State> insert into test.t1 values (4, 4, 4, 4)
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### Verify feature code path
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# Enable SHOW PROCESSLIST via the Performance Schema
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set @@global.performance_schema_show_processlist = on;
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# Connection default, send SHOW PROCESSLIST
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SET DEBUG_SYNC='pfs_show_processlist_performance_schema SIGNAL pfs_processlist_pfs WAIT_FOR continue';
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SHOW FULL PROCESSLIST;
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# Connection con0
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SET DEBUG_SYNC='now WAIT_FOR pfs_processlist_pfs';
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SET DEBUG_SYNC='now SIGNAL continue';
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# Connection default, reap
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Id User Host db Command Time State Info
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<Id> event_scheduler <Host> NULL <Command> <Time> <State> <Info>
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<Id> root <Host> test <Command> <Time> <State> <Info>
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<Id> root <Host> test <Command> <Time> <State> <Info>
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<Id> user1 <Host> test <Command> <Time> <State> <Info>
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<Id> user2 <Host> test <Command> <Time> <State> <Info>
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<Id> user3 <Host> test <Command> <Time> <State> <Info>
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<Id> user4 <Host> test <Command> <Time> <State> <Info>
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### Verify legacy code path
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# Enable the legacy SHOW PROCESSLIST
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set @@global.performance_schema_show_processlist = off;
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# Connection default, send SHOW PROCESSLIST
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SET DEBUG_SYNC='RESET';
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SET DEBUG_SYNC='pfs_show_processlist_legacy SIGNAL pfs_processlist_legacy WAIT_FOR continue';
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SHOW FULL PROCESSLIST;
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# Connection con0
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SET DEBUG_SYNC='now WAIT_FOR pfs_processlist_legacy';
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SET DEBUG_SYNC='now SIGNAL continue';
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# Connection default, reap
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Id User Host db Command Time State Info
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<Id> event_scheduler <Host> NULL <Command> <Time> <State> <Info>
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<Id> root <Host> test <Command> <Time> <State> <Info>
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<Id> root <Host> test <Command> <Time> <State> <Info>
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<Id> user1 <Host> test <Command> <Time> <State> <Info>
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<Id> user2 <Host> test <Command> <Time> <State> <Info>
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<Id> user3 <Host> test <Command> <Time> <State> <Info>
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<Id> user4 <Host> test <Command> <Time> <State> <Info>
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### Clean up ###
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# Connection con0, unlock test.t1, disconnect
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unlock tables;
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# Connection con1, reap, disconnect
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# Connection con2, reap, disconnect
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# Connection con3, reap, disconnect
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# Connection con4, reap, disconnect
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# Connection default
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drop table test.t1;
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drop user user1@localhost;
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drop user user2@localhost;
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drop user user3@localhost;
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drop user user4@localhost;
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set @@global.performance_schema_show_processlist = @save_processlist;
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