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	(and to follow the naming conventons). keep old debug variable, but mark it as deprecated.
		
			
				
	
	
		
			94 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| --source include/have_partition.inc
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| --source include/have_debug.inc
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| # Save the initial number of concurrent sessions.
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| --source include/count_sessions.inc
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| 
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| --echo #
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| --echo # Bug #43867 ALTER TABLE on a partitioned table 
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| --echo #            causes unnecessary deadlocks
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| --echo #
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| 
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| CREATE TABLE t1 (a int) PARTITION BY RANGE (a)
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| (PARTITION p0 VALUES LESS THAN (1),
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|  PARTITION p1 VALUES LESS THAN (2));
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| 
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| INSERT INTO t1 VALUES (0),(1);
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| 
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| connect(con1,localhost,root);
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| 
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| --echo # Connection 2
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| connection con1;
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| BEGIN;
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| SELECT * FROM t1;
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| 
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| --echo # Connection 1
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| connection default;
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| --error ER_DROP_PARTITION_NON_EXISTENT
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| ALTER TABLE t1 DROP PARTITION p3;
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| 
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| --echo # Connection 2
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| connection con1;
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| --echo # This failed with deadlock and should not do so.
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| SELECT * FROM t1;
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| 
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| --echo # Connection 1
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| connection default;
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| disconnect con1;
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| DROP TABLE t1;
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| 
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| 
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| --echo #
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| --echo # Bug #46654 False deadlock on concurrent DML/DDL 
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| --echo #            with partitions, inconsistent behavior
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| --echo #
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| 
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| --disable_warnings
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| DROP TABLE IF EXISTS tbl_with_partitions;
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| --enable_warnings
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| 
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| CREATE TABLE tbl_with_partitions ( i INT ) 
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| 	PARTITION BY HASH(i);
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| INSERT INTO tbl_with_partitions VALUES (1);
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| 
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| connect(con2,localhost,root);
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| connect(con3,localhost,root);
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| 
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| --echo # Connection 3
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| connection con3;
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| LOCK TABLE tbl_with_partitions READ;
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| 
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| --echo # Connection 1
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| --echo # Access table with disabled autocommit
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| connection default;
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| SET AUTOCOMMIT = 0;
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| SELECT * FROM tbl_with_partitions;
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| 
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| --echo # Connection 2
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| --echo # Alter table, abort after prepare
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| connection con2;
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| set session debug_dbug="+d,abort_copy_table";
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| --error ER_LOCK_WAIT_TIMEOUT
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| ALTER TABLE tbl_with_partitions ADD COLUMN f INT;
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| 
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| --echo # Connection 1
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| --echo # Try accessing the table after Alter aborted.
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| --echo # This used to give ER_LOCK_DEADLOCK.
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| connection default;
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| SELECT * FROM tbl_with_partitions;
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| 
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| --echo # Connection 3
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| connection con3;
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| UNLOCK TABLES;
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| 
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| --echo # Connection 1
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| --echo # Cleanup
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| connection default;
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| disconnect con2;
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| disconnect con3;
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| DROP TABLE tbl_with_partitions;
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| 
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| 
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| # Check that all connections opened by test cases in this file are really
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| # gone so execution of other tests won't be affected by their presence.
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| --source include/wait_until_count_sessions.inc
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