mirror of
				https://github.com/MariaDB/server.git
				synced 2025-11-03 14:33:32 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
** Setup **
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** Connecting con0 using root **
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** Connecting con1 using root **
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** Connection default **
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SET @global_low_priority_updates = @@GLOBAL.low_priority_updates;
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SET @session_low_priority_updates = @@SESSION.low_priority_updates;
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CREATE TABLE t1 (a varchar(100));
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'#--------------------FN_DYNVARS_160_01-------------------------#'
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** Connection con0 **
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SET SESSION low_priority_updates = ON;
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** Connection con1 **
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SET SESSION low_priority_updates = ON;
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** Connection default **
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SET SESSION low_priority_updates = ON;
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INSERT INTO t1 VALUES('1');
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INSERT INTO t1 VALUES('2');
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INSERT INTO t1 VALUES('3');
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INSERT INTO t1 VALUES('4');
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INSERT INTO t1 VALUES('5');
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INSERT INTO t1 VALUES('6');
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LOCK TABLE t1 WRITE;
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** Connection con1 **
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** Asynchronous Execution **
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UPDATE t1 SET a = CONCAT(a,"-updated");|
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** Connection con0 **
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** Asynchronous Execution **
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LOCK TABLE t1 READ;
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SELECT * FROM t1;
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UNLOCK TABLES;|
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** Connection default **
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Sleeping for 1 secs
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UNLOCK TABLES;
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** Connection con0 **
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** Asynchronous Result **
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a
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1
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2
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3
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4
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5
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6
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Expected values of a without -updated;
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** Connection default **
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DELETE FROM t1;
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'#--------------------FN_DYNVARS_160_02-------------------------#'
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** Connection con0 **
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SET SESSION low_priority_updates = OFF;
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** Connection con1 **
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SET SESSION low_priority_updates = OFF;
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** Connection default**
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SET SESSION low_priority_updates = OFF;
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INSERT INTO t1 VALUES('1');
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INSERT INTO t1 VALUES('2');
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INSERT INTO t1 VALUES('3');
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INSERT INTO t1 VALUES('4');
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INSERT INTO t1 VALUES('5');
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INSERT INTO t1 VALUES('6');
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LOCK TABLE t1 WRITE;
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** Connection con1 **
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** Asynchronous Execution **
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UPDATE t1 SET a = CONCAT(a,"-updated");|
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** Connection con0 **
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** Asynchronous Execution **
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LOCK TABLE t1 READ;
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SELECT * FROM t1;
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UNLOCK TABLES;|
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** Connection default **
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Sleeping for 1 secs
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UNLOCK TABLES;
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** Connection con0 **
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** Asynchronous Result **
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a
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1-updated
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2-updated
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3-updated
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4-updated
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5-updated
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6-updated
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Expected values of a with -updated;
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** Connection default**
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DELETE FROM t1;
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'#--------------------FN_DYNVARS_160_03-------------------------#'
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** Connecting con_int1 using root **
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** Connection con_int1 **
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SELECT @@SESSION.low_priority_updates;
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@@SESSION.low_priority_updates
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0
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1 / TRUE Expected
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SET SESSION low_priority_updates = FALSE;
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** Connecting con_int2 using root **
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** Connection con_int2 **
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SELECT @@SESSION.low_priority_updates;
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@@SESSION.low_priority_updates
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0
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1 / TRUE Expected
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SET SESSION low_priority_updates = TRUE;
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** Connection con_int1 **
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SELECT @@SESSION.low_priority_updates;
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@@SESSION.low_priority_updates
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0
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0 / FALSE Expected
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** Connection con_int2 **
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SELECT @@SESSION.low_priority_updates;
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@@SESSION.low_priority_updates
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1
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1 / TRUE Expected
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** Connection default  **
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Disconnecting Connections con_int1, con_int2
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** Connection default **
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Disconnecting Connections con0, con1
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DROP TABLE t1;
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SET @@GLOBAL.low_priority_updates = @global_low_priority_updates;
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SET @@SESSION.low_priority_updates = @session_low_priority_updates;
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