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374783c3d9
- Add `as <int_type>` to sequence creation options
- int_type can be signed or unsigned integer types, including
tinyint, smallint, mediumint, int and bigint
- Limitation: when alter sequence as <new_int_type>, cannot have any
other alter options in the same statement
- Limitation: increment remains signed longlong, and the hidden
constraint (cache_size x abs(increment) < longlong_max) stays for
unsigned types. This means for bigint unsigned, neither
abs(increment) nor (cache_size x abs(increment)) can be between
longlong_max and ulonglong_max
- Truncating maxvalue and minvalue from user input to the nearest max
or min value of the type, plus or minus 1. When the truncation
happens, a warning is emitted
- Information schema table for sequences
256 lines
6.4 KiB
Text
256 lines
6.4 KiB
Text
--source include/have_sequence.inc
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--source include/have_innodb.inc
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drop table if exists t1;
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--echo #
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--echo # Test setval function
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--echo #
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--disable_ps2_protocol
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CREATE SEQUENCE t1 cache 10 engine=myisam;
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select next_not_cached_value,cycle_count from t1;
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do setval(t1,10);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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do setval(t1,12,1);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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do setval(t1,15,0);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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select setval(t1,16,0);
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select next value for t1;
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do setval(t1,1000,0);
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select next value for t1;
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select next_not_cached_value,cycle_count from t1;
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do setval(t1,2000,0);
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select next value for t1;
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select next_not_cached_value,cycle_count from t1;
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# Set smaller value
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select setval(t1,1000,0);
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select next value for t1;
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select setval(t1,1000,TRUE);
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select next value for t1;
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select next_not_cached_value,cycle_count from t1;
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select setval(t1,2002,0);
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select next value for t1;
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select setval(t1,2010,0);
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select next value for t1;
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select next_not_cached_value,cycle_count from t1;
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drop sequence t1;
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--echo #
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--echo # Testing with cycle
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--echo #
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CREATE SEQUENCE t1 cache=10 maxvalue=100 cycle engine=innodb;
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select next_not_cached_value,cycle_count from t1;
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select setval(t1,100,0);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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select next_not_cached_value,cycle_count from t1;
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select setval(t1,100,0);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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select setval(t1,100,0,1);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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select setval(t1,100,1,2);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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select setval(t1,100,0,3);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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drop sequence t1;
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--echo #
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--echo # Testing extreme values
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--echo #
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CREATE SEQUENCE t1 cache=10 maxvalue=100 engine=innodb;
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select next_not_cached_value,cycle_count from t1;
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select setval(t1,200);
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select next_not_cached_value,cycle_count from t1;
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--error ER_SEQUENCE_RUN_OUT
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select next value for t1;
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drop sequence t1;
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CREATE SEQUENCE t1 cache=10 maxvalue=100 cycle engine=innodb;
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select next_not_cached_value,cycle_count from t1;
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select setval(t1,200);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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drop sequence t1;
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CREATE SEQUENCE t1 cache=10 maxvalue=0 increment=-10;
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select setval(t1,-10);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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select setval(t1,-15);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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select setval(t1,-500,FALSE);
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select next value for t1;
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select next value for t1;
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select setval(t1,-525,0);
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select next value for t1;
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select next value for t1;
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drop sequence t1;
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CREATE SEQUENCE t1 cache=10 maxvalue=0 increment=-10;
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select setval(t1,-10,0);
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select next_not_cached_value,cycle_count from t1;
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select next value for t1;
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drop sequence t1;
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--echo #
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--echo # Other testing
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--echo #
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CREATE SEQUENCE t1;
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select setval(t1,10,0),setval(t1,15,1),setval(t1,5,1);
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select next value for t1;
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select next_not_cached_value,cycle_count from t1;
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explain extended select setval(t1,100),setval(t1,100,TRUE),setval(t1,100,FALSE,50);
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drop sequence t1;
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#
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# Some error testing
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#
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create table t1 (a int);
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--error ER_NOT_SEQUENCE
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select setval(t1,10);
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drop table t1;
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--echo #
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--echo # MDEV-12854 Synchronize CREATE..SELECT data type and result set metadata data type for INT functions
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--echo #
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--enable_metadata
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--disable_ps_protocol
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CREATE SEQUENCE s1;
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SELECT SETVAL(s1,10);
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DROP SEQUENCE s1;
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--enable_ps_protocol
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--disable_metadata
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--echo #
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--echo # MDEV-15732: Assertion `next_free_value % real_increment == offset &&
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--echo # next_free_value >= reserved_until' failed in
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--echo # sequence_definition::adjust_values upon SETVAL for sequence with
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--echo # INCREMENT 0
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--echo #
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CREATE SEQUENCE s INCREMENT 0;
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SELECT NEXTVAL(s);
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SELECT SETVAL(s, 10);
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# Cleanup
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DROP SEQUENCE s;
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--echo # End of 10.3 tests
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--echo #
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--echo # MDEV-28152 Features for sequence
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--echo #
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# out of bounds for the type: returns NULL
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create sequence s;
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select setval(s, 12345678901234567890);
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select nextval(s);
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drop sequence s;
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create sequence s increment -1;
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select setval(s, 12345678901234567890);
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select nextval(s);
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drop sequence s;
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create sequence s as smallint;
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select setval(s, 55555);
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select setval(s, -55555);
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select nextval(s);
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drop sequence s;
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create sequence s as smallint increment -1;
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select setval(s, 55555);
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select setval(s, -55555);
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select nextval(s);
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drop sequence s;
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create sequence s as bigint unsigned;
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select setval(s, -123);
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select nextval(s);
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drop sequence s;
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create sequence s as bigint unsigned increment -1;
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select setval(s, -123);
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select nextval(s);
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drop sequence s;
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# large setval values for bigint unsigned
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create sequence s as bigint unsigned;
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select setval(s, -123);
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select setval(s, 0);
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select nextval(s);
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select setval(s, 12345678901234567890);
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select nextval(s);
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select setval(s, 12345678901234567890);
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select nextval(s);
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select setval(s, 18446744073709551614, 0);
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select nextval(s);
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--error ER_SEQUENCE_RUN_OUT
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select nextval(s);
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--error ER_SEQUENCE_RUN_OUT
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select setval(s, 12345678901234567890, 0, 1);
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alter sequence s cycle;
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select setval(s, 12345678901234567890, 0, 1);
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select nextval(s);
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drop sequence s;
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# extreme setval values for bigint unsigned
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create sequence s as bigint unsigned;
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--error ER_PARSE_ERROR
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select setval(s, 18446744073709551616);
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select setval(s, 18446744073709551615);
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--error ER_SEQUENCE_RUN_OUT
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select nextval(s);
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drop sequence s;
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create sequence s as bigint unsigned;
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select setval(s, 18446744073709551615, 0);
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--error ER_SEQUENCE_RUN_OUT
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select nextval(s);
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drop sequence s;
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create sequence s as bigint unsigned cycle;
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select setval(s, 18446744073709551615);
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select nextval(s);
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drop sequence s;
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create sequence s as bigint unsigned cycle;
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select setval(s, 18446744073709551615, 0);
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select nextval(s);
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drop sequence s;
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# a small range for bigint unsigned
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create sequence s as bigint unsigned minvalue 123 maxvalue 456;
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select setval(s, 100);
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select nextval(s);
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select setval(s, 500);
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--error ER_SEQUENCE_RUN_OUT
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select nextval(s);
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drop sequence s;
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create sequence s as smallint;
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select setval(s, 32767);
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--error ER_SEQUENCE_RUN_OUT
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select nextval(s);
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drop sequence s;
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--enable_ps2_protocol
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--echo # End of 11.4 tests
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