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b00c536378
BitKeeper/etc/ignore: Added mysql-test/linux_sys_vars.inc mysql-test/load_sysvars.inc mysql-test/windows_sys_vars.inc to the ignore list
258 lines
6.4 KiB
Plaintext
258 lines
6.4 KiB
Plaintext
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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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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);
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'#--------------------FN_DYNVARS_002_01-------------------------#'
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## Setting initial value of variable to 5 ##
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SET @@auto_increment_increment = 10;
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SET @@auto_increment_offset = 5;
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'#--------------------FN_DYNVARS_002_02-------------------------#'
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## Inserting records in table and verifying variable's behavior ##
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INSERT into t1(name) values('Record_1');
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SELECT * from t1;
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id name
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5 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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5 Record_1
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15 Record_2
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## Test behavior of variable after updating value of variable ##
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SET @@auto_increment_offset = 24;
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SELECT @@auto_increment_offset;
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@@auto_increment_offset
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24
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INSERT into t1(name) values('Record_3');
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SELECT * from t1;
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id name
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5 Record_1
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15 Record_2
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24 Record_3
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INSERT into t1(name) values('Record_4');
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SELECT * from t1;
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id name
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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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'#--------------------FN_DYNVARS_002_03-------------------------#'
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## Changing value of global scope before opening new connection ##
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SET @@global.auto_increment_increment = 15;
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SET @@global.auto_increment_offset = 36;
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## New connection test_con1 ##
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## Value of session & global vairable here should be 10 ##
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SELECT @@global.auto_increment_offset = 36;
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@@global.auto_increment_offset = 36
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1
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SELECT @@session.auto_increment_offset = 36;
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@@session.auto_increment_offset = 36
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1
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## Verify global value effect of variable by inserting new rows in table ##
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INSERT into t1(name) values('Record_5');
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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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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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36 Record_5
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51 Record_6
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## Setting session value of variable and inserting data in table ##
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SET @@session.auto_increment_offset = 54;
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INSERT into t1(name) values('Record_7');
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INSERT into t1(name) values('Record_8');
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SELECT * from t1;
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id name
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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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36 Record_5
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51 Record_6
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54 Record_7
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69 Record_8
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'#--------------------FN_DYNVARS_002_04-------------------------#'
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## Setting value of variable less than last insert id ##
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SET @@session.auto_increment_offset = 5;
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INSERT into t1(name) values('Record_9');
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'Bug#35367: Random value of id is increasing on assigning value to';
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'variable that is less than current offset';
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INSERT into t1(name) values('Record_10');
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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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id name
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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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36 Record_5
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51 Record_6
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54 Record_7
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69 Record_8
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80 Record_9
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95 Record_10
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110 Record_11
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125 Record_12
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'#--------------------FN_DYNVARS_002_05-------------------------#'
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## Assigning value to variable greater than auto_increment_incrent value ##
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SET @@auto_increment_offset = 140;
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SET @@auto_increment_increment = 10;
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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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id name
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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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36 Record_5
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51 Record_6
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54 Record_7
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69 Record_8
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80 Record_9
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95 Record_10
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110 Record_11
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125 Record_12
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134 Record_13
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140 Record_14
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'Bug#35369: Some invalid value of id is increasing on assigning value to';
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'variable that is greater than auto_increment_increment';
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'#--------------------FN_DYNVARS_002_06-------------------------#'
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## Changing datatype of column id with primary key to SmallInt ##
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ALTER table t1 modify id SMALLINT 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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id name
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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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36 Record_5
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51 Record_6
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54 Record_7
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69 Record_8
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80 Record_9
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95 Record_10
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110 Record_11
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125 Record_12
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134 Record_13
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140 Record_14
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150 Record_15
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160 Record_16
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## Changing datatype of column id with primary key to BigInt ##
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ALTER table t1 modify id BIGINT NOT NULL auto_increment;
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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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id name
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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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36 Record_5
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51 Record_6
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54 Record_7
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69 Record_8
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80 Record_9
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95 Record_10
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110 Record_11
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125 Record_12
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134 Record_13
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140 Record_14
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150 Record_15
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160 Record_16
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170 Record_17
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180 Record_18
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'#--------------------FN_DYNVARS_002_07-------------------------#'
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## Assigning -ve value to variable ##
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SET @@auto_increment_offset = -10;
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Warnings:
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Warning 1292 Truncated incorrect auto-increment-offset value: '0'
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SELECT @@auto_increment_offset = -10;
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@@auto_increment_offset = -10
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0
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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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id name
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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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36 Record_5
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51 Record_6
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54 Record_7
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69 Record_8
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80 Record_9
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95 Record_10
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110 Record_11
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125 Record_12
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134 Record_13
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140 Record_14
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150 Record_15
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160 Record_16
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170 Record_17
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180 Record_18
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181 Record_17
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191 Record_18
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'Bug#35370: Some invalid value of id is increasing on assigning negative';
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' value in variable';
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## Assigning value that is out of range of variable ##
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SET @@auto_increment_offset = 65536;
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Warnings:
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Warning 1292 Truncated incorrect auto_increment_offset value: '65536'
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SELECT @@auto_increment_offset;
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@@auto_increment_offset
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65535
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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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INSERT into t1(name) values('Record_19');
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INSERT into t1(name) values('Record_20');
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SELECT * from t1;
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id name
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5 Record_1
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15 Record_2
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24 Record_3
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34 Record_4
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36 Record_5
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51 Record_6
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54 Record_7
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69 Record_8
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80 Record_9
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95 Record_10
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110 Record_11
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125 Record_12
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134 Record_13
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140 Record_14
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150 Record_15
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160 Record_16
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170 Record_17
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180 Record_18
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181 Record_17
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191 Record_18
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199 Record_17
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209 Record_18
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219 Record_19
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229 Record_20
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## No effect of auto_increment_offset since value of this variable is greater ##
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## than auto_increment_increment ##
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## Dropping table ##
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DROP table if exists t1;
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## Disconnecting connection ##
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## switching to default connection ##
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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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