57 lines
1.7 KiB
Plaintext
57 lines
1.7 KiB
Plaintext
SET debug_sync='RESET';
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (pk INT PRIMARY KEY COMMENT "", a INT)engine=xengine;
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INSERT INTO t1 VALUES(1,1), (2,2), (3,3);
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SET debug_sync='xengine_concurrent_delete SIGNAL parked WAIT_FOR go';
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SELECT * FROM t1 order by t1.pk ASC FOR UPDATE;
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SET debug_sync='now WAIT_FOR parked';
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DELETE FROM t1 WHERE pk = 1;
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SET debug_sync='now SIGNAL go';
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pk a
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2 2
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3 3
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set debug_sync='RESET';
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drop table t1;
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SET debug_sync='RESET';
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (pk INT PRIMARY KEY COMMENT "", a INT)engine=xengine;
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INSERT INTO t1 VALUES(1,1), (2,2), (3,3);
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SET debug_sync='xengine_concurrent_delete SIGNAL parked WAIT_FOR go';
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SELECT * FROM t1 order by t1.pk DESC FOR UPDATE;
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SET debug_sync='now WAIT_FOR parked';
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DELETE FROM t1 WHERE pk = 3;
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SET debug_sync='now SIGNAL go';
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pk a
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2 2
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1 1
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set debug_sync='RESET';
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drop table t1;
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SET debug_sync='RESET';
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (pk INT PRIMARY KEY COMMENT "rev:cf2", a INT)engine=xengine;
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INSERT INTO t1 VALUES(1,1), (2,2), (3,3);
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SET debug_sync='xengine_concurrent_delete SIGNAL parked WAIT_FOR go';
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SELECT * FROM t1 order by t1.pk ASC FOR UPDATE;
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SET debug_sync='now WAIT_FOR parked';
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DELETE FROM t1 WHERE pk = 1;
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SET debug_sync='now SIGNAL go';
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pk a
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2 2
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3 3
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set debug_sync='RESET';
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drop table t1;
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SET debug_sync='RESET';
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (pk INT PRIMARY KEY COMMENT "rev:cf2", a INT)engine=xengine;
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INSERT INTO t1 VALUES(1,1), (2,2), (3,3);
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SET debug_sync='xengine_concurrent_delete SIGNAL parked WAIT_FOR go';
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SELECT * FROM t1 order by t1.pk DESC FOR UPDATE;
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SET debug_sync='now WAIT_FOR parked';
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DELETE FROM t1 WHERE pk = 3;
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SET debug_sync='now SIGNAL go';
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pk a
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2 2
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1 1
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set debug_sync='RESET';
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drop table t1;
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