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118 lines
2.8 KiB
Text
118 lines
2.8 KiB
Text
drop table if exists t1;
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## Creating new table ##
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CREATE TABLE t1
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(
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id INT NOT NULL auto_increment,
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PRIMARY KEY (id),
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name varchar(30)
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) ENGINE = INNODB;
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'#--------------------FN_DYNVARS_003_01-------------------------#'
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## Setting variable's value to 0 i.e false ##
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SET @@autocommit = 0;
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'#--------------------FN_DYNVARS_003_02-------------------------#'
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CONNECT test_con1,localhost,root,,;
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connection test_con1;
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## Checking value of variable after opening new connection ##
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SELECT @@autocommit;
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@@autocommit
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1
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## Setting value of variable to zero and inserting some rows ##
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SET @@autocommit = 0;
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INSERT into t1(name) values('Record_1');
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INSERT into t1(name) values('Record_2');
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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## Creating another connection and verifying records in table ##
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CONNECT test_con2,localhost,root,,;
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connection test_con2;
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SELECT * from t1;
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id name
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'#--------------------FN_DYNVARS_003_03-------------------------#'
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## Verifying behavior of variable by commiting rows in test_con1 ##
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connection test_con1;
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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COMMIT;
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## Now verifying records in table from connection # 02 ##
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connection test_con2;
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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'#--------------------FN_DYNVARS_003_04-------------------------#'
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connection test_con1;
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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## Updating value of first row ##
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UPDATE t1 set name = 'Record_12' where name = 'Record_1';
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SELECT * from t1;
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id name
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1 Record_12
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2 Record_2
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## Connecting to connecting # 02 and verifying effect of update query ##
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connection test_con2;
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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## Now connecting with connection # 01 and using ROLLBACK after it ##
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connection test_con1;
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ROLLBACK;
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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'#--------------------FN_DYNVARS_003_05-------------------------#'
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connection test_con1;
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INSERT into t1(name) values('Record_3');
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## Now verifying records in table from connection # 02 and changing value ##
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## of autocommit to true ##
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connection test_con2;
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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SET @@autocommit = 1;
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INSERT into t1(name) values('Record_4');
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INSERT into t1(name) values('Record_5');
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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4 Record_4
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5 Record_5
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## Connecting with connection # 01 and inserting few records ##
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connection test_con1;
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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3 Record_3
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INSERT into t1(name) values('Record_6');
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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3 Record_3
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6 Record_6
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## Now verifying the effect of these new records in second connection ##
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connection test_con2;
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SELECT * from t1;
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id name
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1 Record_1
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2 Record_2
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4 Record_4
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5 Record_5
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## Commit changes
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connection test_con1;
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COMMIT;
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## Dropping table t1 ##
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DROP table t1;
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disconnect test_con1;
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disconnect test_con2;
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