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One Hat Cyber Team
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216.73.216.124
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50.28.103.30
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Linux host.jcukjv-lwsites.com 4.18.0-553.22.1.el8_10.x86_64 #1 SMP Tue Sep 24 05:16:59 EDT 2024 x86_64
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nginx/1.28.0
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mysql
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mysql-test
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View File Name :
consistent_snapshot.result
DROP TABLE IF EXISTS t1; # Establish connection con1 (user=root) # Establish connection con2 (user=root) ### Test 1: ### - While a consistent snapshot transaction is executed, ### no external inserts should be visible to the transaction. # Switch to connection con1 CREATE TABLE t1 (a INT) ENGINE=innodb; START TRANSACTION WITH CONSISTENT SNAPSHOT; # Switch to connection con2 INSERT INTO t1 VALUES(1); # Switch to connection con1 SELECT * FROM t1; a COMMIT; ### Test 2: ### - For any non-consistent snapshot transaction, external ### committed inserts should be visible to the transaction. DELETE FROM t1; START TRANSACTION; # Switch to connection con2 INSERT INTO t1 VALUES(1); # Switch to connection con1 SELECT * FROM t1; a 1 COMMIT; ### Test 3: ### - Bug#44664: valgrind warning for COMMIT_AND_CHAIN and ROLLBACK_AND_CHAIN ### Chaining a transaction does not retain consistency level. START TRANSACTION WITH CONSISTENT SNAPSHOT; DELETE FROM t1; COMMIT WORK AND CHAIN; # Switch to connection con2 INSERT INTO t1 VALUES(1); # Switch to connection con1 SELECT * FROM t1; a 1 COMMIT; # Switch to connection default + close connections con1 and con2 DROP TABLE t1;