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The population of default values in INSERT SELECT was being performed twice. With sequences, this resulted in every second sequence value being used. With SELECT INSERT we remove the second invokation of table->update_default_fields(). This was already performed in store_values() invoking fill_record_n_invoke_before_triggers() which invoked update_default_fields() previously. We do need to return an error on duplicate values, so the ::store_values is extended to take the ignore option.
300 lines
6.0 KiB
Plaintext
300 lines
6.0 KiB
Plaintext
drop table if exists t1,s1,s2;
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Warnings:
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Note 1051 Unknown table 'test.t1'
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Note 1051 Unknown table 'test.s1'
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Note 1051 Unknown table 'test.s2'
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drop view if exists v1;
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Warnings:
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Note 4092 Unknown VIEW: 'test.v1'
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#
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# Test DEFAULT
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#
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CREATE SEQUENCE s1 nocache engine=myisam;
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CREATE table t1 (a int default next value for s1, b int);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT nextval(`test`.`s1`),
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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insert into t1 SET b=1;
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insert into t1 SET b=2;
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insert into t1 (b) values (3),(4);
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select * from t1;
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a b
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1 1
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2 2
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3 3
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4 4
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update t1 set b=5 where a=1;
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delete from t1 where b=1;
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select * from t1;
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a b
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1 5
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2 2
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3 3
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4 4
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#
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# Executing DEFAULT function
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#
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INSERT into t1 values(default(a),10);
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INSERT into t1 values(default(a),default(a));
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update t1 set a=default(a), b=12 where b=2;
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select * from t1;
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a b
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1 5
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8 12
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3 3
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4 4
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5 10
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6 7
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select default(a), a, b from t1;
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default(a) a b
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9 1 5
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10 8 12
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11 3 3
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12 4 4
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13 5 10
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14 6 7
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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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15 1 9223372036854775806 1 1 0 0 0
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select * from t1 where default(a) > 0;
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a b
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1 5
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8 12
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3 3
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4 4
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5 10
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6 7
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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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16 1 9223372036854775806 1 1 0 0 0
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#
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# View
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#
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create view v1 as select * from t1;
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insert into v1 set b=20;
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select * from v1;
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a b
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1 5
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8 12
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3 3
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4 4
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5 10
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6 7
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16 20
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drop view v1;
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#
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# Alter table
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#
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CREATE SEQUENCE s2 nocache engine=myisam;
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alter table t1 add column c int default next value for s2, add column d int default previous value for s2;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT nextval(`test`.`s1`),
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`b` int(11) DEFAULT NULL,
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`c` int(11) DEFAULT nextval(`test`.`s2`),
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`d` int(11) DEFAULT lastval(`test`.`s2`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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select * from t1;
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a b c d
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1 5 1 1
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8 12 2 2
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3 3 3 3
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4 4 4 4
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5 10 5 5
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6 7 6 6
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16 20 7 7
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drop sequence s2;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT nextval(`test`.`s1`),
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`b` int(11) DEFAULT NULL,
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`c` int(11) DEFAULT nextval(`test`.`s2`),
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`d` int(11) DEFAULT lastval(`test`.`s2`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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drop table t1;
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drop sequence s1;
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#
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# LOCK TABLES
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#
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CREATE SEQUENCE s1 nocache engine=myisam;
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CREATE table t1 (a int default next value for s1, b int);
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insert into t1 (b) values (3),(4);
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LOCK TABLE t1 WRITE;
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insert into t1 (b) values (5),(6);
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ERROR HY000: Table 's1' was not locked with LOCK TABLES
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UNLOCK TABLES;
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LOCK TABLE t1 WRITE, s1 WRITE;
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insert into t1 (b) values (5),(6);
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select default(a) from t1;
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default(a)
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5
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6
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7
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8
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UNLOCK TABLES;
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LOCK TABLE t1 READ;
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insert into t1 (b) values (5),(6);
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ERROR HY000: Table 's1' was not locked with LOCK TABLES
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select default(a) from t1;
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ERROR HY000: Table 's1' was not locked with LOCK TABLES
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UNLOCK TABLES;
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LOCK TABLE t1 READ, s1 read;
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insert into t1 (b) values (5),(6);
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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select default(a) from t1;
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ERROR HY000: Table 's1' was locked with a READ lock and can't be updated
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UNLOCK TABLES;
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drop table t1;
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drop sequence s1;
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#
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# Testing prepared statements
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#
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CREATE or replace SEQUENCE s1 nocache engine=myisam;
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CREATE or replace table t1 (a int default next value for s1, b int);
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PREPARE stmt FROM "insert into t1 (b) values(?)";
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execute stmt using 1;
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execute stmt using 2;
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execute stmt using 3;
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select * from t1;
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a b
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1 1
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2 2
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3 3
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drop table t1,s1;
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deallocate prepare stmt;
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#
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# Wrong usage of default
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#
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CREATE table t1 (a int default next value for s1, b int);
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ERROR 42S02: Table 'test.s1' doesn't exist
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CREATE SEQUENCE s1 nocache engine=myisam;
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CREATE table t1 (a int default next value for s1, b int);
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DROP SEQUENCE s1;
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insert into t1 (b) values (5),(6);
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ERROR 42S02: Table 'test.s1' doesn't exist
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ALTER TABLE t1 add column c int;
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ERROR 42S02: Table 'test.s1' doesn't exist
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CREATE SEQUENCE s1 nocache engine=myisam;
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ALTER TABLE t1 add column c int;
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ALTER TABLE t1 add column d int default next value for s_not_exits;
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ERROR 42S02: Table 'test.s_not_exits' doesn't exist
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drop table t1;
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drop sequence s1;
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#
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# MDEV 22785 Crash with prepared statements and NEXTVAL()
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#
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CREATE SEQUENCE s;
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CREATE TABLE t1 (id int NOT NULL DEFAULT NEXTVAL(s), PRIMARY KEY (id));
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PREPARE stmt FROM " INSERT INTO t1 () values ()";
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INSERT INTO t1 () values ();
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EXECUTE stmt;
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DROP TABLE t1;
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DROP SEQUENCE s;
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#
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# MDEV-29540 Incorrect sequence values in INSERT SELECT
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#
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CREATE SEQUENCE s1;
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CREATE TABLE t1 (
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a BIGINT UNSIGNED NOT NULL PRIMARY KEY
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DEFAULT (NEXT VALUE FOR s1),
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b CHAR(1) NOT NULL
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);
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INSERT INTO t1 (b) VALUES ('a');
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INSERT INTO t1 (b) VALUES ('b'), ('c');
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INSERT INTO t1 (b) VALUES ('d');
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INSERT INTO t1 (b) SELECT c FROM (
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SELECT 'e' as c
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UNION
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SELECT 'f'
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UNION
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SELECT 'g'
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) der;
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SELECT a, b FROM t1;
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a b
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1 a
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2 b
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3 c
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4 d
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5 e
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6 f
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7 g
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ALTER SEQUENCE s1 RESTART;
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INSERT INTO t1 (b) SELECT c FROM (
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SELECT 'a' as c
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UNION
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SELECT 'b'
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UNION
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SELECT 'c'
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UNION
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SELECT 'd'
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UNION
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SELECT 'e'
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UNION
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SELECT 'f'
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UNION
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SELECT 'g'
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) der;
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ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
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ALTER SEQUENCE s1 RESTART;
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INSERT IGNORE INTO t1 (b) SELECT c FROM (
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SELECT 'a' as c
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UNION
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SELECT 'b'
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UNION
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SELECT 'c'
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UNION
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SELECT 'd'
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UNION
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SELECT 'e'
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UNION
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SELECT 'f'
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UNION
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SELECT 'g'
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) der;
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Warnings:
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Warning 1062 Duplicate entry '1' for key 'PRIMARY'
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Warning 1062 Duplicate entry '2' for key 'PRIMARY'
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Warning 1062 Duplicate entry '3' for key 'PRIMARY'
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Warning 1062 Duplicate entry '4' for key 'PRIMARY'
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Warning 1062 Duplicate entry '5' for key 'PRIMARY'
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Warning 1062 Duplicate entry '6' for key 'PRIMARY'
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Warning 1062 Duplicate entry '7' for key 'PRIMARY'
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SELECT a, b FROM t1;
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a b
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1 a
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2 b
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3 c
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4 d
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5 e
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6 f
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7 g
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INSERT IGNORE INTO t1 (b) SELECT c FROM (
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SELECT 'h' as c
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UNION
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SELECT 'i'
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UNION
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SELECT 'j'
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) der;
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SELECT a, b FROM t1;
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a b
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1 a
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2 b
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3 c
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4 d
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5 e
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6 f
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7 g
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8 h
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9 i
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10 j
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DROP TABLE t1;
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DROP SEQUENCE s1;
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#
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# End of 10.3 tests
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#
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