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System variable tests delivered by Folio3 (see WL4288).
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hhunger@hh-nb.hungers
202
mysql-test/t/auto_increment_increment_func.test
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202
mysql-test/t/auto_increment_increment_func.test
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############## mysql-test\t\auto_increment_increment_func.test ################
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# #
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# Variable Name: auto_increment_increment #
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# Scope: GLOBAL & SESSION #
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# Access Type: Dynamic #
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# Data Type: Numeric #
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# Default Value: 1 #
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# Range: 1 - 65536 #
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# #
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# #
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# Creation Date: 2008-03-07 #
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# Author: Salman Rawala #
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# #
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# Description: Test Cases of Dynamic System Variable "auto_increment_increment"#
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# that checks functionality of this variable #
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# #
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/ #
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# server-system-variables.html#option_mysqld_auto-increment-increment #
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# #
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################################################################################
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# save vars
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SET @global_auto_increment_increment = @@global.auto_increment_increment;
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SET @session_auto_increment_increment = @@session.auto_increment_increment;
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SET @global_auto_increment_offset = @@global.auto_increment_offset;
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SET @session_auto_increment_offset = @@session.auto_increment_offset;
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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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#########################
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# Creating new table #
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#########################
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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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);
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--echo '#--------------------FN_DYNVARS_001_01-------------------------#'
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##########################################################
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# Setting initial value of auto_increment_increment #
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##########################################################
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--echo ## Setting initial value of auto_increment_increment to 5 ##
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SET @@auto_increment_increment = 5;
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--echo '#--------------------FN_DYNVARS_001_02-------------------------#'
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###########################################################################
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# Inserting first value in table to check auto_increment_increment initial
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# behavior
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###########################################################################
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--echo ## Inserting first record in table to check behavior of the variable ##
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INSERT into t1(name) values('Record_1');
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SELECT * from t1;
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--echo ## Changing value of variable to 10 ##
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SET @@global.auto_increment_increment = 10;
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--echo ## Inserting record and verifying value of column id ##
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INSERT into t1(name) values('Record_2');
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SELECT * from t1;
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--echo ## Test behavior of variable after assigning some larger value to it ##
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SELECT @@auto_increment_increment;
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SET @@auto_increment_increment = 100;
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INSERT into t1(name) values('Record_5');
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SELECT * from t1;
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--echo '#--------------------FN_DYNVARS_001_03-------------------------#'
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##########################################################
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# Test behavior of variable on new connection # 01 #
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##########################################################
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--echo ## Creating new connection test_con1 ##
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CONNECT (test_con1,localhost,root,,);
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CONNECTION test_con1;
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--echo ## Value of session & global vairable here should be 10 ##
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SELECT @@global.auto_increment_increment = 10;
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SELECT @@session.auto_increment_increment = 10;
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--echo ## Setting global value of variable and inserting data in table ##
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SET @@global.auto_increment_increment = 20;
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SELECT @@global.auto_increment_increment;
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INSERT into t1(name) values('Record_6');
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SELECT * from t1;
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--echo ## Setting session value of variable and inserting data in table ##
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SET @@session.auto_increment_increment = 2;
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SELECT @@session.auto_increment_increment;
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INSERT into t1(name) values('Record_8');
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INSERT into t1(name) values('Record_9');
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SELECT * from t1;
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--echo '#--------------------FN_DYNVARS_001_04-------------------------#'
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##########################################################
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# Test behavior of variable on new connection # 02 #
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##########################################################
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--echo ## Creating another new connection test_con2 ##
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CONNECT (test_con2,localhost,root,,);
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connection test_con2;
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--echo ## Verifying initial values of variable in global & session scope ##
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--echo ## global & session initial value should be 20 ##
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SELECT @@global.auto_increment_increment = 20;
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SELECT @@session.auto_increment_increment = 20;
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--echo ## Setting value of session variable to 5 and verifying its behavior ##
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SET @@session.auto_increment_increment = 5;
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INSERT into t1(name) values('Record_10');
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SELECT * from t1;
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--echo 'Bug#35362: Here Record_10 id should be 120 instead of 115 because we'
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--echo 'have set the value of variable to 5'
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SET @@session.auto_increment_increment = 1;
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SELECT @@auto_increment_increment;
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SELECT @@global.auto_increment_increment;
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--echo '#--------------------FN_DYNVARS_001_05-------------------------#'
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#####################################################################
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# Verify variable's value of connection # 01 after processing on
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# connection # 02
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#####################################################################
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--echo ## Switching to test_con1 ##
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connection test_con1;
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--echo ## Verifying values of global & session value of variable ##
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--echo ## global value should be 20 ##
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SELECT @@global.auto_increment_increment = 20;
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--echo ## session value should be 2 ##
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SELECT @@session.auto_increment_increment = 2;
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INSERT into t1(name) values('Record_11');
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INSERT into t1(name) values('Record_12');
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SELECT * from t1;
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--echo '#--------------------FN_DYNVARS_001_06-------------------------#'
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###############################################################################
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# Altering table field to different datatypes and checking their behavior #
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###############################################################################
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--echo ## Changing column's datatype to SmallInt and verifying variable's behavior ##
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ALTER table t1 MODIFY id SMALLINT NOT NULL auto_increment;
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INSERT into t1(name) values('Record_13');
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INSERT into t1(name) values('Record_14');
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SELECT * from t1;
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--echo ## Changing column's datatype to BigInt and verifying variable's behavior ##
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ALTER table t1 MODIFY id BIGINT NOT NULL auto_increment;
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INSERT into t1(name) values('Record_15');
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INSERT into t1(name) values('Record_16');
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SELECT * from t1;
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--echo '#--------------------FN_DYNVARS_001_07-------------------------#'
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###############################################################################
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# Check behavior of variable after assigning invalid value #
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###############################################################################
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--echo ## Verifying behavior of variable with negative value ##
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SET @@auto_increment_increment = -10;
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INSERT into t1(name) values('Record_17');
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INSERT into t1(name) values('Record_18');
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SELECT * from t1;
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--echo 'Bug#35364: Variable is incrementing some random values on assigning -ve value'
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############################################################
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# Disconnecting all connection & dropping table #
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############################################################
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--echo ## Disconnecting test_con2 ##
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DISCONNECT test_con2;
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--echo ## Dropping table t1 ##
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DROP table if exists t1;
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--echo ## Disconnecting test_con1 ##
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DISCONNECT test_con1;
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--echo ## switching to default connection ##
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connection default;
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# restore vars
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SET @@global.auto_increment_increment = @global_auto_increment_increment;
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SET @@session.auto_increment_increment = @session_auto_increment_increment;
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SET @@global.auto_increment_offset = @global_auto_increment_offset;
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SET @@session.auto_increment_offset = @session_auto_increment_offset;
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