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	7cb5374120
	
	
	
		
			
			After applying the snapshots, ensure that code conforms to the final version of WL 3914. It is signficant that, after these changes, InnoDB does not define MYSQL_SERVER, and can be built as an independent storage engine plugin. Fixes: Bug#9709: InnoDB inconsistensy causes "Operating System Error 32/33" Bug#18828: If InnoDB runs out of undo slots, it returns misleading 'table is full' Bug#20090: InnoDB: Error: trying to declare trx to enter InnoDB Bug#20352: Make ibuf_contract_for_n_pages tunable Bug#21101: Wrong error on exceeding max row size for InnoDB table Bug#21293: Deadlock detection prefers to kill long running FOR UPDATE queries Bug#22819: SHOW INNODB STATUS crashes the server with an assertion failure under high load Bug#25078: Make the replication thread to ignore innodb_thread_concurrency Bug#25645: Assertion failure in file srv0srv.c Bug#28138: indexing column prefixes produces corruption in InnoDB
		
			
				
	
	
		
			109 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| #
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| # Ensure that the number of locks (SELECT FOR UPDATE for example) is
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| # added to the number of altered rows when choosing the smallest
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| # transaction to kill as a victim when a deadlock is detected.
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| # Also transactions what had edited non-transactional tables should
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| # be heavier than ones that had not.
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| #
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| 
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| -- source include/have_innodb.inc
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| 
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| SET storage_engine=InnoDB;
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| 
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| # we do not really care about what gets printed, we are only
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| # interested in getting the deadlock resolved according to our
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| # expectations
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| -- disable_query_log
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| -- disable_result_log
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| 
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| # we want to use "-- eval statement1; statement2" which does not work with
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| # prepared statements. Because this test should not behave differently with
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| # or without prepared statements we disable them so the test does not fail
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| # if someone runs ./mysql-test-run.pl --ps-protocol
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| -- disable_ps_protocol
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| 
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| -- disable_warnings
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| DROP TABLE IF EXISTS t1, t2, t3, t4, t5_nontrans;
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| -- enable_warnings
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| 
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| # we will create a simple deadlock with t1, t2 and two connections
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| CREATE TABLE t1 (a INT);
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| CREATE TABLE t2 (a INT);
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| 
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| # auxiliary table with a bulk of rows which will be locked by a
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| # transaction to increase its weight
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| CREATE TABLE t3 (a INT);
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| 
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| # auxiliary empty table which will be inserted by a
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| # transaction to increase its weight
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| CREATE TABLE t4 (a INT);
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| 
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| # auxiliary non-transactional table which will be edited by a
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| # transaction to tremendously increase its weight
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| CREATE TABLE t5_nontrans (a INT) ENGINE=MyISAM;
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| 
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| INSERT INTO t1 VALUES (1);
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| INSERT INTO t2 VALUES (1);
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| # insert a lot of rows in t3
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| INSERT INTO t3 VALUES (1);
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| INSERT INTO t3 SELECT * FROM t3;
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| 
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| # test locking weight
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| 
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| -- let $con1_extra_sql =
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| -- let $con1_extra_sql_present = 0
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| -- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
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| -- let $con2_extra_sql_present = 1
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| -- let $con1_should_be_rolledback = 1
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| -- source include/innodb_trx_weight.inc
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| 
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| -- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1)
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| -- let $con1_extra_sql_present = 1
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| -- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
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| -- let $con2_extra_sql_present = 1
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| -- let $con1_should_be_rolledback = 1
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| -- source include/innodb_trx_weight.inc
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| 
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| -- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1), (1), (1), (1)
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| -- let $con1_extra_sql_present = 1
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| -- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
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| -- let $con2_extra_sql_present = 1
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| -- let $con1_should_be_rolledback = 0
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| -- source include/innodb_trx_weight.inc
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| 
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| # test weight when non-transactional tables are edited
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| 
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| -- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
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| -- let $con1_extra_sql_present = 1
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| -- let $con2_extra_sql =
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| -- let $con2_extra_sql_present = 0
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| -- let $con1_should_be_rolledback = 0
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| -- source include/innodb_trx_weight.inc
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| 
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| -- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
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| -- let $con1_extra_sql_present = 1
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| -- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1)
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| -- let $con2_extra_sql_present = 1
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| -- let $con1_should_be_rolledback = 1
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| -- source include/innodb_trx_weight.inc
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| 
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| -- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
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| -- let $con1_extra_sql = $con1_extra_sql; INSERT INTO t5_nontrans VALUES (1)
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| -- let $con1_extra_sql_present = 1
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| -- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1)
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| -- let $con2_extra_sql_present = 1
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| -- let $con1_should_be_rolledback = 0
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| -- source include/innodb_trx_weight.inc
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| 
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| DROP TABLE t1, t2, t3, t4, t5_nontrans;
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