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MDEV-10139 Support for SEQUENCE objects
- SETVAL(sequence_name, next_value, is_used, round) - ALTER SEQUENCE, including RESTART WITH Other things: - Added handler::extra() option HA_EXTRA_PREPARE_FOR_ALTER_TABLE to signal ha_sequence() that it should allow write_row statments. - ALTER ONLINE TABLE now works with SEQUENCE:s
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Monty
246
mysql-test/suite/sql_sequence/setval.result
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246
mysql-test/suite/sql_sequence/setval.result
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drop table if exists t1;
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Warnings:
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Note 1051 Unknown table 'test.t1'
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#
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# Test setval function
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#
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CREATE SEQUENCE t1 cache 10 engine=myisam;
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select next_value,round from t1;
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next_value round
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1 0
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do setval(t1,10);
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select next_value,round from t1;
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next_value round
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11 0
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select next value for t1;
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next value for t1
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11
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do setval(t1,12,1);
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select next_value,round from t1;
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next_value round
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21 0
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select next value for t1;
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next value for t1
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13
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do setval(t1,15,0);
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select next_value,round from t1;
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next_value round
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21 0
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select next value for t1;
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next value for t1
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15
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select setval(t1,16,0);
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setval(t1,16,0)
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16
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select next value for t1;
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next value for t1
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16
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do setval(t1,1000,0);
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select next value for t1;
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next value for t1
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1000
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select next_value,round from t1;
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next_value round
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1010 0
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do setval(t1,2000,0);
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select next value for t1;
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next value for t1
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2000
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select next_value,round from t1;
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next_value round
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2010 0
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select setval(t1,1000,0);
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setval(t1,1000,0)
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NULL
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select next value for t1;
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next value for t1
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2001
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select setval(t1,1000,TRUE);
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setval(t1,1000,TRUE)
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NULL
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select next value for t1;
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next value for t1
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2002
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select next_value,round from t1;
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next_value round
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2010 0
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select setval(t1,2002,0);
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setval(t1,2002,0)
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NULL
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select next value for t1;
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next value for t1
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2003
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select setval(t1,2010,0);
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setval(t1,2010,0)
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2010
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select next value for t1;
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next value for t1
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2010
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select next_value,round from t1;
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next_value round
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2020 0
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drop sequence t1;
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#
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# Testing with cycle
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#
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CREATE SEQUENCE t1 cache=10 maxvalue=100 cycle engine=innodb;
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select next_value,round from t1;
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next_value round
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1 0
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select setval(t1,100,0);
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setval(t1,100,0)
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100
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select next_value,round from t1;
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next_value round
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100 0
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select next value for t1;
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next value for t1
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100
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select next_value,round from t1;
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next_value round
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101 0
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select setval(t1,100,0);
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setval(t1,100,0)
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NULL
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select next_value,round from t1;
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next_value round
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101 0
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select next value for t1;
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next value for t1
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1
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select next_value,round from t1;
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next_value round
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11 1
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select next value for t1;
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next value for t1
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2
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select setval(t1,100,0,1);
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setval(t1,100,0,1)
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100
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select next_value,round from t1;
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next_value round
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100 1
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select next value for t1;
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next value for t1
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100
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select setval(t1,100,1,2);
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setval(t1,100,1,2)
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100
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select next_value,round from t1;
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next_value round
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101 2
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select next value for t1;
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next value for t1
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1
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select setval(t1,100,0,3);
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setval(t1,100,0,3)
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100
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select next_value,round from t1;
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next_value round
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100 3
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select next value for t1;
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next value for t1
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100
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drop sequence t1;
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#
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# Testing extreme values
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#
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CREATE SEQUENCE t1 cache=10 maxvalue=100 engine=innodb;
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select next_value,round from t1;
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next_value round
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1 0
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select setval(t1,200);
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setval(t1,200)
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200
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select next_value,round from t1;
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next_value round
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101 0
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select next value for t1;
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ERROR HY000: Sequence 'test.t1' has run out
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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_value,round from t1;
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next_value round
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1 0
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select setval(t1,200);
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setval(t1,200)
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200
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select next_value,round from t1;
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next_value round
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101 0
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select next value for t1;
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next value for t1
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1
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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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setval(t1,-10)
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-10
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select next_value,round from t1;
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next_value round
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-20 0
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select next value for t1;
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next value for t1
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-20
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select setval(t1,-15);
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setval(t1,-15)
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NULL
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select next_value,round from t1;
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next_value round
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-120 0
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select next value for t1;
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next value for t1
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-30
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select setval(t1,-500,FALSE);
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setval(t1,-500,FALSE)
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-500
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select next value for t1;
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next value for t1
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-500
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select next value for t1;
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next value for t1
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-510
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select setval(t1,-525,0);
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setval(t1,-525,0)
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-525
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select next value for t1;
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next value for t1
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-525
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select next value for t1;
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next value for t1
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-535
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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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setval(t1,-10,0)
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-10
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select next_value,round from t1;
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next_value round
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-10 0
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select next value for t1;
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next value for t1
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-10
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drop sequence t1;
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#
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# Other testing
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#
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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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setval(t1,10,0) setval(t1,15,1) setval(t1,5,1)
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10 15 NULL
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select next value for t1;
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next value for t1
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16
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select next_value,round from t1;
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next_value round
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1016 0
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explain extended select setval(t1,100),setval(t1,100,TRUE),setval(t1,100,FALSE,50);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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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)`
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drop sequence t1;
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create table t1 (a int);
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select setval(t1,10);
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ERROR 42S02: 'test.t1' is not a SEQUENCE
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drop table t1;
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