80 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
		
		
			
		
	
	
			80 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
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								--source include/have_innodb.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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								--disable_warnings
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								DROP TABLE IF EXISTS t1;
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								--enable_warnings
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								--echo # Establish connection con1 (user=root)
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								connect (con1,localhost,root,,);
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								--echo # Establish connection con2 (user=root)
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								connect (con2,localhost,root,,);
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								--echo ### Test 1:
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								--echo ### - While a consistent snapshot transaction is executed,
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								--echo ###   no external inserts should be visible to the transaction.
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								--echo # Switch to connection con1
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								connection con1;
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								CREATE TABLE t1 (a INT) ENGINE=innodb;
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								START TRANSACTION WITH CONSISTENT SNAPSHOT;
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								--echo # Switch to connection con2
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								connection con2;
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								INSERT INTO t1 VALUES(1);
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								--echo # Switch to connection con1
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								connection con1;
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								SELECT * FROM t1; # if consistent snapshot was set as expected, we
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								# should see nothing.
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								COMMIT;
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								--echo ### Test 2:
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								--echo ### - For any non-consistent snapshot transaction, external
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								--echo ###   committed inserts should be visible to the transaction.
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								DELETE FROM t1;
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								START TRANSACTION; # Now we omit WITH CONSISTENT SNAPSHOT
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								--echo # Switch to connection con2
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								connection con2;
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								INSERT INTO t1 VALUES(1);
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								--echo # Switch to connection con1
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								connection con1;
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								SELECT * FROM t1; # if consistent snapshot was not set, as expected, we
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								# should see 1.
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								COMMIT;
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								--echo ### Test 3:
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								--echo ### - Bug#44664: valgrind warning for COMMIT_AND_CHAIN and ROLLBACK_AND_CHAIN
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								--echo ###   Chaining a transaction does not retain consistency level.
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								START TRANSACTION WITH CONSISTENT SNAPSHOT;
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								DELETE FROM t1;
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								COMMIT WORK AND CHAIN;
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								--echo # Switch to connection con2
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								connection con2;
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								INSERT INTO t1 VALUES(1);
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								--echo # Switch to connection con1
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								connection con1;
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								SELECT * FROM t1; # if consistent snapshot was not set, as expected, we
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								# should see 1.
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								COMMIT;
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								--echo # Switch to connection default + close connections con1 and con2
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								connection default;
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								disconnect con1;
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								disconnect con2;
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								DROP TABLE t1;
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								# End of 4.1 tests
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								# Wait till all disconnects are completed
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								--source include/wait_until_count_sessions.inc
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