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drop table if exists t1;
Warnings:
Note 1051 Unknown table 'test.t1'
#
# Test setval function
#
CREATE SEQUENCE t1 cache 10 engine=myisam;
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
1 0
do setval(t1,10);
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
11 0
select next value for t1;
next value for t1
11
do setval(t1,12,1);
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
21 0
select next value for t1;
next value for t1
13
do setval(t1,15,0);
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
21 0
select next value for t1;
next value for t1
15
select setval(t1,16,0);
setval(t1,16,0)
16
select next value for t1;
next value for t1
16
do setval(t1,1000,0);
select next value for t1;
next value for t1
1000
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
1010 0
do setval(t1,2000,0);
select next value for t1;
next value for t1
2000
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
2010 0
select setval(t1,1000,0);
setval(t1,1000,0)
NULL
select next value for t1;
next value for t1
2001
select setval(t1,1000,TRUE);
setval(t1,1000,TRUE)
NULL
select next value for t1;
next value for t1
2002
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
2010 0
select setval(t1,2002,0);
setval(t1,2002,0)
NULL
select next value for t1;
next value for t1
2003
select setval(t1,2010,0);
setval(t1,2010,0)
2010
select next value for t1;
next value for t1
2010
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
2020 0
drop sequence t1;
#
# Testing with cycle
#
CREATE SEQUENCE t1 cache=10 maxvalue=100 cycle engine=innodb;
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
1 0
select setval(t1,100,0);
setval(t1,100,0)
100
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
100 0
select next value for t1;
next value for t1
100
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
101 0
select setval(t1,100,0);
setval(t1,100,0)
NULL
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
101 0
select next value for t1;
next value for t1
1
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
11 1
select next value for t1;
next value for t1
2
select setval(t1,100,0,1);
setval(t1,100,0,1)
100
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
100 1
select next value for t1;
next value for t1
100
select setval(t1,100,1,2);
setval(t1,100,1,2)
100
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
101 2
select next value for t1;
next value for t1
1
select setval(t1,100,0,3);
setval(t1,100,0,3)
100
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
100 3
select next value for t1;
next value for t1
100
drop sequence t1;
#
# Testing extreme values
#
CREATE SEQUENCE t1 cache=10 maxvalue=100 engine=innodb;
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
1 0
select setval(t1,200);
setval(t1,200)
200
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
101 0
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
drop sequence t1;
CREATE SEQUENCE t1 cache=10 maxvalue=100 cycle engine=innodb;
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
1 0
select setval(t1,200);
setval(t1,200)
200
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
101 0
select next value for t1;
next value for t1
1
drop sequence t1;
CREATE SEQUENCE t1 cache=10 maxvalue=0 increment=-10;
select setval(t1,-10);
setval(t1,-10)
-10
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
-20 0
select next value for t1;
next value for t1
-20
select setval(t1,-15);
setval(t1,-15)
NULL
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
-120 0
select next value for t1;
next value for t1
-30
select setval(t1,-500,FALSE);
setval(t1,-500,FALSE)
-500
select next value for t1;
next value for t1
-500
select next value for t1;
next value for t1
-510
select setval(t1,-525,0);
setval(t1,-525,0)
-525
select next value for t1;
next value for t1
-525
select next value for t1;
next value for t1
-535
drop sequence t1;
CREATE SEQUENCE t1 cache=10 maxvalue=0 increment=-10;
select setval(t1,-10,0);
setval(t1,-10,0)
-10
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
-10 0
select next value for t1;
next value for t1
-10
drop sequence t1;
#
# Other testing
#
CREATE SEQUENCE t1;
select setval(t1,10,0),setval(t1,15,1),setval(t1,5,1);
setval(t1,10,0) setval(t1,15,1) setval(t1,5,1)
10 15 NULL
select next value for t1;
next value for t1
16
select next_not_cached_value,cycle_count from t1;
next_not_cached_value cycle_count
1016 0
explain extended select setval(t1,100),setval(t1,100,TRUE),setval(t1,100,FALSE,50);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select setval(`test`.`t1`,100,1,0) AS `setval(t1,100)`,setval(`test`.`t1`,100,1,0) AS `setval(t1,100,TRUE)`,setval(`test`.`t1`,100,0,50) AS `setval(t1,100,FALSE,50)`
drop sequence t1;
create table t1 (a int);
select setval(t1,10);
ERROR 42S02: 'test.t1' is not a SEQUENCE
drop table t1;
#
# MDEV-12854 Synchronize CREATE..SELECT data type and result set metadata data type for INT functions
#
CREATE SEQUENCE s1;
SELECT SETVAL(s1,10);
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def SETVAL(s1,10) 8 20 2 Y 32896 0 63
SETVAL(s1,10)
10
DROP SEQUENCE s1;
#
# MDEV-15732: Assertion `next_free_value % real_increment == offset &&
# next_free_value >= reserved_until' failed in
# sequence_definition::adjust_values upon SETVAL for sequence with
# INCREMENT 0
#
CREATE SEQUENCE s INCREMENT 0;
SELECT NEXTVAL(s);
NEXTVAL(s)
1
SELECT SETVAL(s, 10);
SETVAL(s, 10)
10
DROP SEQUENCE s;
# End of 10.3 tests
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