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d52ddae57bThe check go through the following steps: 1. Run check on the underlying engine. If not ok, then return. 2. Check that there's only one row in the table, and 2.1 warn if more than one row 2.2 return HA_ADMIN_CORRUPT if fewer than one row (i.e. 0 rows) 3. If the sequence is not initialised (e.g. after an ALTER TABLE ... SEQUENCE=1), initialise the sequence by reading the sequence metadata from the table. This will also flush the next_free_value, i.e. set it to the next not cached value (SEQUENCE::reserved_until) 4. Check that the sequence metadata is valid, i.e. nothing out of order e.g. minvalue < maxvalue etc. If invalid it reports HA_ERR_SEQUENCE_INVALID_DATA 5. Check that the sequence has not been exhausted. It reports ER_SEQUENCE_RUN_OUT as a warning if and only if a SELECT NEXTVAL would do so Limitations: 1. The check is independent of flags, so the vanilla check is the same as CHECK ... EXTENDED or CHECK ... FOR UPGRADE etc. 2. When the check discovers invalid metadata from the table, subsequent SELECT NEXTVAL will carry on (or fail) without this piece of knowledge, independent of the CHECK. This is to ensure consistency, i.e. CHECK does not modify behaviour of SELECT, and if anything it makes more sense that SELECT reports HA_ERR_SEQUENCE_INVALID_DATA in this case, regardless of prior CHECK
388 lines
14 KiB
Text
388 lines
14 KiB
Text
#
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# Create and check
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#
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create sequence s1 engine=innodb;
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check table s1;
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Table Op Msg_type Msg_text
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test.s1 check status OK
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select next value for s1;
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next value for s1
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1
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flush tables;
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check table s1;
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Table Op Msg_type Msg_text
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test.s1 check status OK
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select next value for s1;
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next value for s1
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1001
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flush tables;
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repair table s1;
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Table Op Msg_type Msg_text
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test.s1 repair status OK
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select next value for s1;
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next value for s1
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2001
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drop sequence s1;
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create or replace sequence s1 engine=innodb;
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select next value for s1;
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next value for s1
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1
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repair table s1;
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Table Op Msg_type Msg_text
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test.s1 repair status OK
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check table s1;
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Table Op Msg_type Msg_text
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test.s1 check status OK
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select next value for s1;
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next value for s1
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1001
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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2001 1 9223372036854775806 1 1 1000 0 0
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drop sequence s1;
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#
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# INSERT
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#
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create sequence s1;
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create sequence s2;
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insert into s1 (next_not_cached_value, minimum_value) values (100,1000);
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ERROR HY000: Field 'maximum_value' doesn't have a default value
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insert into s1 values (next value for s1, 1,9223372036854775806,1,1,1000,0,0);
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ERROR HY000: Table 's1' is specified twice, both as a target for 'INSERT' and as a separate source for data
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insert into s1 values(1000,9223372036854775806,1,1,1,1000,0,0);
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ERROR HY000: Sequence 'test.s1' has out of range value for options
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insert into s1 values(0,9223372036854775806,1,1,1,1000,0,0);
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ERROR HY000: Sequence 'test.s1' has out of range value for options
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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1 1 9223372036854775806 1 1 1000 0 0
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insert into s1 values(1000,1,9223372036854775806,1,1,1000,0,0);
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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1000 1 9223372036854775806 1 1 1000 0 0
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select next value for s1;
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next value for s1
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1000
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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2000 1 9223372036854775806 1 1 1000 0 0
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insert into s2 values(0, 1, 10, 1, 2, 1, 1, 0);
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ERROR HY000: Sequence 'test.s2' has out of range value for options
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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2000 1 9223372036854775806 1 1 1000 0 0
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insert into s1 values (next value for s2, 1,9223372036854775806,1,1,1000,0,0);
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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1 1 9223372036854775806 1 1 1000 0 0
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select * from s2;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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1001 1 9223372036854775806 1 1 1000 0 0
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insert into s1 select * from s2;
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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1001 1 9223372036854775806 1 1 1000 0 0
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drop sequence s1,s2;
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#
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# UPDATE and DELETE
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#
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create sequence s1;
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update s1 set next_not_cached_value=100;
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ERROR HY000: Storage engine SEQUENCE of the table `test`.`s1` doesn't have this option
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delete from s1 where next_not_cached_value > 0;
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ERROR HY000: Storage engine SEQUENCE of the table `test`.`s1` doesn't have this option
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drop sequence s1;
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#
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# SHOW TABLES
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#
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create sequence s1;
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create table t1 (a int);
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create view v1 as select * from s1;
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show full tables;
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Tables_in_test Table_type
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s1 SEQUENCE
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t1 BASE TABLE
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v1 VIEW
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SELECT TABLE_TYPE,ENGINE FROM INFORMATION_SCHEMA.TABLES where table_schema="test" ORDER BY TABLE_NAME;
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TABLE_TYPE ENGINE
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SEQUENCE MyISAM
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BASE TABLE MyISAM
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VIEW NULL
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drop table t1,s1;
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drop view v1;
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#
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# LOCK TABLES (as in mysqldump)
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#
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create sequence s1 engine=innodb;
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LOCK TABLES s1 READ;
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SELECT * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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1 1 9223372036854775806 1 1 1000 0 0
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UNLOCK TABLES;
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LOCK TABLES s1 WRITE;
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insert into s1 values (1,1,9223372036854775806, 1, 1, 1000, 0, 0);
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UNLOCK TABLES;
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drop table s1;
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#
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# Many sequence calls with innodb
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#
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create sequence s1 cache=1000 engine=innodb;
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start transaction;
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select count(nextval(s1)) from seq_1_to_2000;
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count(nextval(s1))
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2000
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commit;
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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2001 1 9223372036854775806 1 1 1000 0 0
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drop sequence s1;
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create sequence s1 cache=1000 engine=innodb;
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start transaction;
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select count(nextval(s1)) from seq_1_to_2000;
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count(nextval(s1))
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2000
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connect addconroot, localhost, root,,;
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connection addconroot;
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start transaction;
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select count(nextval(s1)) from seq_1_to_2000;
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count(nextval(s1))
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2000
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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4001 1 9223372036854775806 1 1 1000 0 0
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commit;
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disconnect addconroot;
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connection default;
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select * from s1;
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next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
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4001 1 9223372036854775806 1 1 1000 0 0
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commit;
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drop sequence s1;
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#
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# Flush tables with read lock
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#
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create sequence s1;
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select next value for s1;
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next value for s1
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1
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flush tables with read lock;
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create sequence s2;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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select next value for s1;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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unlock tables;
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drop sequence s1;
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#
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# MDEV-14761
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# Assertion `!mysql_parse_status || thd->is_error() ||
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# thd->get_internal_handler()' failed in parse_sql
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#
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CREATE SEQUENCE s1;
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ALTER SEQUENCE s1 MAXVALUE 100 NO MAXVALUE;
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ERROR HY000: Option 'MAXVALUE' used twice in statement
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DROP SEQUENCE s1;
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#
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# Don't allow SEQUENCE to be used with CHECK or virtual fields
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#
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CREATE SEQUENCE s1 nocache engine=myisam;
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CREATE table t1 (a int check (next value for s1 > 0));
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ERROR HY000: Function or expression 'nextval()' cannot be used in the CHECK clause of `a`
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CREATE table t1 (a int check (previous value for s1 > 0));
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ERROR HY000: Function or expression 'lastval()' cannot be used in the CHECK clause of `a`
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CREATE table t1 (a int check (setval(s1,10)));
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ERROR HY000: Function or expression 'setval()' cannot be used in the CHECK clause of `a`
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CREATE TABLE t1 (a int, b int as (next value for s1 > 0));
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ERROR HY000: Function or expression 'nextval()' cannot be used in the GENERATED ALWAYS AS clause of `b`
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drop sequence s1;
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#
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# MDEV-13024: Server crashes in my_store_ptr upon DELETE from
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# sequence in multi-table format
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#
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CREATE SEQUENCE s;
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CREATE table t1 (a int);
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insert into t1 values (1),(2);
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DELETE s FROM s;
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delete t1,s from s,t1;
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delete s,t1 from t1,s;
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DROP SEQUENCE s;
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DROP TABLE t1;
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#
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# MDEV-20074: Lost connection on update trigger
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#
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# INSERT & table
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create sequence s1 increment by 1 start with 1;
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create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
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create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
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insert into t1 values
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(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
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CREATE TRIGGER tr_upd
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BEFORE UPDATE on t1
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FOR EACH ROW
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BEGIN
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INSERT INTO t2(a_p_name, a_p_first_name) VALUES(old.p_name, old.p_first_name);
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END;
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$$
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update t1 set p_first_name='Yunxi' where p_id=1;
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drop sequence s1;
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drop table t1,t2;
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# INSERT & view
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create sequence s1 increment by 1 start with 1;
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create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
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create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
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create view v2 as select * from t2;
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insert into t1 values
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(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
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CREATE TRIGGER tr_upd
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BEFORE UPDATE on t1
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FOR EACH ROW
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BEGIN
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INSERT INTO v2(a_p_name, a_p_first_name) VALUES(old.p_name, old.p_first_name);
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END;
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$$
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update t1 set p_first_name='Yunxi' where p_id=1;
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drop view v2;
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drop table t1,t2;
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drop sequence s1;
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# INSERT SELECT & view
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create sequence s1 increment by 1 start with 1;
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create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
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create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
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create view v2 as select * from t2;
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insert into t1 values
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(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
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CREATE TRIGGER tr_upd
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BEFORE UPDATE on t1
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FOR EACH ROW
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BEGIN
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INSERT INTO v2(a_p_name, a_p_first_name) SELECT old.p_name, old.p_first_name;
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END;
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$$
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update t1 set p_first_name='Yunxi' where p_id=1;
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drop view v2;
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drop table t1,t2;
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drop sequence s1;
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# REPLACE & view
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create sequence s1 increment by 1 start with 1;
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create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
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create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
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create view v2 as select * from t2;
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insert into t1 values
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(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
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CREATE TRIGGER tr_upd
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BEFORE UPDATE on t1
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FOR EACH ROW
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BEGIN
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REPLACE INTO v2(a_p_name, a_p_first_name) VALUES(old.p_name, old.p_first_name);
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END;
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$$
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update t1 set p_first_name='Yunxi' where p_id=1;
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drop view v2;
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drop table t1,t2;
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drop sequence s1;
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# REPLACE SELECT & view
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create sequence s1 increment by 1 start with 1;
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create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
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create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
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create view v2 as select * from t2;
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insert into t1 values
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(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
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CREATE TRIGGER tr_upd
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BEFORE UPDATE on t1
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FOR EACH ROW
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BEGIN
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REPLACE INTO v2(a_p_name, a_p_first_name) SELECT old.p_name, old.p_first_name;
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END;
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$$
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update t1 set p_first_name='Yunxi' where p_id=1;
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drop view v2;
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drop table t1,t2;
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drop sequence s1;
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#
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# MDEV-19273:Server crash in MDL_ticket::has_stronger_or_equal_type or
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# Assertion `thd->mdl_context.is_lock_owner(MDL_key::TABLE,
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# table->db.str, table->table_name.str, MDL_SHARED)' failed
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# in mysql_rm_table_no_locks
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#
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CREATE TABLE t1 (a INT);
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CREATE TEMPORARY TABLE tmp (b INT);
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LOCK TABLE t1 READ;
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DROP SEQUENCE tmp;
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ERROR 42S02: Unknown SEQUENCE: 'test.tmp'
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DROP TEMPORARY SEQUENCE tmp;
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ERROR 42S02: Unknown SEQUENCE: 'test.tmp'
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DROP SEQUENCE t1;
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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DROP TEMPORARY SEQUENCE t1;
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ERROR 42S02: Unknown SEQUENCE: 'test.t1'
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UNLOCK TABLES;
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DROP SEQUENCE t1;
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ERROR 42S02: 'test.t1' is not a SEQUENCE
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DROP TEMPORARY SEQUENCE t1;
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ERROR 42S02: Unknown SEQUENCE: 'test.t1'
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DROP TABLE t1;
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CREATE TABLE t (a INT);
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CREATE SEQUENCE s;
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LOCK TABLE t WRITE;
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DROP SEQUENCE s;
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ERROR HY000: Table 's' was not locked with LOCK TABLES
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DROP TEMPORARY SEQUENCE s;
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ERROR 42S02: Unknown SEQUENCE: 'test.s'
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UNLOCK TABLES;
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CREATE TEMPORARY SEQUENCE s;
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LOCK TABLE t WRITE;
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DROP TEMPORARY SEQUENCE s;
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UNLOCK TABLES;
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DROP SEQUENCE s;
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create table s(a INT);
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CREATE TEMPORARY TABLE s (f INT);
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LOCK TABLE t WRITE;
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DROP TEMPORARY TABLE s;
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CREATE TEMPORARY TABLE s (f INT);
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DROP TABLE s;
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DROP TABLE s;
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ERROR HY000: Table 's' was not locked with LOCK TABLES
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UNLOCK TABLES;
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DROP TABLE s;
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CREATE VIEW v1 as SELECT * FROM t;
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CREATE SEQUENCE s;
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DROP SEQUENCE IF EXISTS v1;
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Warnings:
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Note 1965 'test.v1' is a view
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DROP VIEW IF EXISTS s;
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Warnings:
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Warning 1347 'test.s' is not of type 'VIEW'
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Note 4092 Unknown VIEW: 'test.s'
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DROP VIEW v1;
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DROP SEQUENCE s;
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DROP TABLE t;
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#
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# End of 10.3 tests
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#
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#
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# MDEV-32541 Assertion `!(thd->server_status & (1U | 8192U))' failed in MDL_context::release_transactional_locks
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#
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create sequence s1;
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create sequence s2;
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connect con1,localhost,root,,;
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set session transaction read only;
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start transaction;
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connection default;
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start transaction;
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insert into s2 values (1, 1, 10000, 100, 1, 1000, 0, 0);
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connection con1;
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select lastval(s1);
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lastval(s1)
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NULL
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select lastval(s2);;
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connection default;
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set lock_wait_timeout= 1;
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insert into s1 values (1, 1, 10000, 100, 1, 1000, 0, 0);
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connection con1;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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disconnect con1;
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connection default;
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drop sequence s1;
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drop sequence s2;
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#
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# End of 10.4 tests
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|
#
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