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############# mysql-test\t\tx_isolation_func.test ####################################### # # # Variable Name: tx_isolation # # Scope: GLOBAL & SESSION # # Access Type: Dynamic # # Data Type: ENUMERATION # # Default Value: REPEATABLE-READ # # Values: READ-UNCOMMITTED, READ-COMMITTED, REPEATABLE-READ, SERIALIZABLE # # # # # # Creation Date: 2008-02-25 # # Author: Sharique Abdullah # # # # Description: Test Cases of Dynamic System Variable "tx_isolation" # # that checks behavior of this variable in the following ways # # * Functionality based on different values # # # # Reference: http://dev.mysql.com/doc/refman/5.1/en/set-option.html # # # ######################################################################################### --source include/have_innodb.inc --echo ** Setup ** # # Setup # SET @session_tx_isolation = @@SESSION.tx_isolation; SET @global_tx_isolation = @@GLOBAL.tx_isolation; # # Creating connections # --echo ** Connecting con0 using root ** connect (con0,localhost,root,,); --echo ** Connection con0 ** connection con0; SET SESSION AUTOCOMMIT = OFF; --echo ** Connecting con1 using root ** connect (con1, localhost, root,,); --echo ** Connection con1 ** connection con1; SET SESSION AUTOCOMMIT = OFF; --echo ** Connection default ** connection default; # # Creating tables # CREATE TABLE t1 (a int PRIMARY KEY, b int) ENGINE=INNODB; INSERT INTO t1 VALUES(2, 2); INSERT INTO t1 VALUES(4, 4); INSERT INTO t1 VALUES(6, 6); INSERT INTO t1 VALUES(8, 8); INSERT INTO t1 VALUES(16, 16); INSERT INTO t1 VALUES(18, 18); INSERT INTO t1 VALUES(20, 20); INSERT INTO t1 VALUES(22, 22); INSERT INTO t1 VALUES(24, 24); --echo '#----------------------------FN_DYNVARS_184_01--------------------------------------#' # # Testing for value READ-UNCOMMITTED # --echo ** Connection con0 ** connection con0; SET SESSION tx_isolation = 'READ-UNCOMMITTED'; set binlog_format=mixed; --echo ** Connection con1 ** connection con1; SET SESSION tx_isolation = 'READ-UNCOMMITTED'; set binlog_format=mixed; # # Testing WHERE on keys using IN clause # --echo ** Connection con0 ** connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a IN (2,4,6,8) FOR UPDATE; UPDATE t1 SET b = 10 WHERE a IN (2,4,6,8); --echo ** Connection con1 ** connection con1; START TRANSACTION; SELECT * FROM t1; INSERT INTO t1 VALUES(1, 1); INSERT INTO t1 VALUES(3, 3); SELECT * FROM t1; COMMIT; --echo ** Connection con0 ** connection con0; DELETE FROM t1 WHERE a = 1 OR a = 3; COMMIT; --echo '#----------------------------FN_DYNVARS_184_02--------------------------------------#' # # Testing WHERE on keys using # on even rows # --echo ** Connection con0 ** connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE; UPDATE t1 SET b = 10 WHERE a % 2 = 0; --echo ** Connection con1 ** connection con1; START TRANSACTION; SELECT * FROM t1; INSERT INTO t1 VALUES(23, 23); INSERT INTO t1 VALUES(25, 25); SELECT * FROM t1; COMMIT; --echo ** Connection con0 ** connection con0; COMMIT; --echo '#----------------------------FN_DYNVARS_184_03--------------------------------------#' # # Testing for value READ-COMMITTED # --echo ** Connection con0 ** connection con0; SET SESSION tx_isolation = 'READ-COMMITTED'; --echo ** Connection con1 ** connection con1; SET SESSION tx_isolation = 'READ-COMMITTED'; # # Testing WHERE on keys using % on even rows # --echo ** Connection con0 ** connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE; UPDATE t1 SET b = 11 WHERE a % 2 = 0; --echo ** Connection con1 ** connection con1; START TRANSACTION; SELECT * FROM t1; INSERT INTO t1 VALUES(5, 5); INSERT INTO t1 VALUES(7, 7); SELECT * FROM t1; COMMIT; --echo ** Connection con0 ** connection con0; COMMIT; --echo '#----------------------------FN_DYNVARS_184_04--------------------------------------#' # # Testing for value REPEATABLE-READ # --echo ** Connection con0 ** connection con0; SET SESSION tx_isolation = 'REPEATABLE-READ'; --echo ** Connection con1 ** connection con1; SET SESSION tx_isolation = 'REPEATABLE-READ'; # # Testing WHERE on keys using % on even rows # --echo ** Connection con0 ** connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE; UPDATE t1 SET b = 12 WHERE a % 2 = 0; --echo ** Connection con1 ** connection con1; START TRANSACTION; SELECT * FROM t1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(9, 9); --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(13, 13); --echo Expected error "Lock wait timeout" SELECT * FROM t1; COMMIT; --echo ** Connection con0 ** connection con0; COMMIT; --echo '#----------------------------FN_DYNVARS_184_05--------------------------------------#' # # Testing WHERE on keys using IN clause # --echo ** Connection con0 ** connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a IN (2,4,6,8,10,12,14,16,18,20,22,24,26) = 0 FOR UPDATE; UPDATE t1 SET b = 13 WHERE a IN (2,4,6,8,10,12,14,16,18,20,22,24,26) = 0; --echo ** Connection con1 ** connection con1; START TRANSACTION; SELECT * FROM t1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(9, 9); --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(13, 13); --echo Expected error "Lock wait timeout" SELECT * FROM t1; COMMIT; --echo ** Connection con0 ** connection con0; COMMIT; --echo '#----------------------------FN_DYNVARS_184_06--------------------------------------#' # # Testing WHERE on keys using IN clause # --echo ** Connection con0 ** connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a IN (2,4,6,8) = 0 FOR UPDATE; UPDATE t1 SET b = 14 WHERE a IN (2,4,6,8) = 0; --echo ** Connection con1 ** connection con1; START TRANSACTION; SELECT * FROM t1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(9, 9); --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(13, 13); --echo Expected error "Lock wait timeout" SELECT * FROM t1; COMMIT; --echo ** Connection con0 ** connection con0; COMMIT; --echo '#----------------------------FN_DYNVARS_184_07--------------------------------------#' # # Testing for value SERIALIZABLE # --echo ** Connection con0 ** connection con0; SET SESSION tx_isolation = 'SERIALIZABLE'; --echo ** Connection con0 ** connection con1; SET SESSION tx_isolation = 'SERIALIZABLE'; # # Testing WHERE on keys using # on even rows # --echo ** Connection con0 ** connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE; UPDATE t1 SET b = 15 WHERE a % 2 = 0; --echo ** Connection con0 ** connection con1; START TRANSACTION; --error ER_LOCK_WAIT_TIMEOUT SELECT * FROM t1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(15, 15); --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(17, 17); --error ER_LOCK_WAIT_TIMEOUT SELECT * FROM t1; COMMIT; --echo ** Connection con0 ** connection con0; COMMIT; --echo '#----------------------------FN_DYNVARS_184_08--------------------------------------#' # # Session data integrity check & GLOBAL Value check # SET GLOBAL tx_isolation = 'READ-UNCOMMITTED'; --echo ** Connecting con_int1 using root ** connect (con_int1,localhost,root,,); --echo ** Connection con_int1 ** connection con_int1; SELECT @@SESSION.tx_isolation; --echo READ-UNCOMMITTED Expected SET SESSION tx_isolation = 'SERIALIZABLE'; --echo ** Connecting con_int2 using root ** connect (con_int2,localhost,root,,); --echo ** Connection con_int2 ** connection con_int2; SELECT @@SESSION.tx_isolation; --echo READ-UNCOMMITTED Expected SET SESSION tx_isolation = 'REPEATABLE-READ'; --echo ** Connection con_int2 ** connection con_int2; SELECT @@SESSION.tx_isolation; --echo REPEATABLE-READ Expected --echo ** Connection con_int1 ** connection con_int1; SELECT @@SESSION.tx_isolation; --echo SERIALIZABLE Expected SELECT @@GLOBAL.tx_isolation; --echo READ-UNCOMMITTED Expected --echo ** Connection default ** connection default; --echo Disconnecting Connections con_int1, con_int2 disconnect con_int1; disconnect con_int2; # # Cleanup # SET @@SESSION.tx_isolation = @session_tx_isolation; SET @@GLOBAL.tx_isolation = @global_tx_isolation; --echo ** Connection default ** connection default; --echo Disconnecting Connections con0, con1 disconnect con0; disconnect con1; DROP TABLE t1;