764 lines
17 KiB
Plaintext
764 lines
17 KiB
Plaintext
drop table if exists tmp1;
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create temporary table tmp1 (id int primary key auto_increment, u int unique, v int);
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insert into tmp1 (u, v) values(11, 101);
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insert into tmp1 (u, v) values(12, 102);
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insert into tmp1 values(3, 13, 102);
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where id=3;
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id u v
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3 13 102
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select * from tmp1 where id=99;
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id u v
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insert into tmp1 values(1, 999, 9999);
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Error 1062 (23000): Duplicate entry '1' for key 'tmp1.PRIMARY'
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where id=3;
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id u v
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3 13 102
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select * from tmp1 where id=99;
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id u v
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insert into tmp1 values(99, 11, 999);
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Error 1062 (23000): Duplicate entry '11' for key 'tmp1.u'
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where id=3;
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id u v
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3 13 102
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select * from tmp1 where id=99;
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id u v
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begin;
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insert into tmp1 values(1, 999, 9999);
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Error 1062 (23000): Duplicate entry '1' for key 'tmp1.PRIMARY'
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where id=3;
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id u v
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3 13 102
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select * from tmp1 where id=99;
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id u v
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insert into tmp1 values(99, 11, 9999);
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Error 1062 (23000): Duplicate entry '11' for key 'tmp1.u'
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where id=3;
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id u v
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3 13 102
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select * from tmp1 where id=99;
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id u v
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insert into tmp1 values(4, 14, 104);
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select * from tmp1 where id=4;
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id u v
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4 14 104
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insert into tmp1 values(4, 999, 9999);
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Error 1062 (23000): Duplicate entry '4' for key 'tmp1.PRIMARY'
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insert into tmp1 values(99, 14, 9999);
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Error 1062 (23000): Duplicate entry '14' for key 'tmp1.u'
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where id=3;
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id u v
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3 13 102
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select * from tmp1 where id=99;
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id u v
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commit;
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where id=3;
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id u v
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3 13 102
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select * from tmp1 where id=99;
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id u v
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select * from tmp1 where id=4;
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id u v
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4 14 104
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begin;
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insert into tmp1 values(5, 15, 105);
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select * from tmp1 where id=5;
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id u v
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5 15 105
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rollback;
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select * from tmp1 where id=5;
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id u v
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drop table if exists t, tl;
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create global temporary table t (c1 int, c2 mediumtext) on commit delete rows;
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create temporary table tl (c1 int, c2 mediumtext);
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select @@global.tidb_tmp_table_max_size;
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@@global.tidb_tmp_table_max_size
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67108864
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set @@global.tidb_tmp_table_max_size = 123;
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Level Code Message
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Warning 1292 Truncated incorrect tidb_tmp_table_max_size value: '123'
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set @@session.tidb_tmp_table_max_size = 2097152;
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set @@session.tidb_tmp_table_max_size = 1048576;
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select @@global.tidb_tmp_table_max_size;
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@@global.tidb_tmp_table_max_size
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1048576
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begin;
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insert into t values (1, repeat('x', 512*1024));
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insert into t values (1, repeat('x', 512*1024));
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insert into t values (1, repeat('x', 512*1024));
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Error 1114 (HY000): The table 't' is full
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rollback;
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begin;
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insert into tl values (1, repeat('x', 512*1024));
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insert into tl values (1, repeat('x', 512*1024));
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insert into tl values (1, repeat('x', 512*1024));
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Error 1114 (HY000): The table 'tl' is full
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rollback;
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insert into tl values (1, repeat('x', 512*1024));
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begin;
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insert into tl values (1, repeat('x', 512*1024));
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insert into tl values (1, repeat('x', 512*1024));
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Error 1114 (HY000): The table 'tl' is full
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rollback;
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drop table if exists g_tmp;
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create global temporary table g_tmp (a int primary key, b int, c int, index i_b(b)) on commit delete rows;
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begin;
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insert into g_tmp values (3, 3, 3);
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insert into g_tmp values (4, 7, 9);
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select * from g_tmp;
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a b c
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3 3 3
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4 7 9
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select b from g_tmp where b > 3;
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b
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7
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select c from g_tmp where b = 3;
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c
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3
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select * from g_tmp where a = 3;
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a b c
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3 3 3
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select * from g_tmp where a in (2,3,4);
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a b c
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3 3 3
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4 7 9
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commit;
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select * from g_tmp;
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a b c
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drop table if exists tmp1;
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create temporary table tmp1 (id int primary key auto_increment, u int unique, v int);
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insert into tmp1 values(1, 11, 101);
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insert into tmp1 values(2, 12, 102);
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insert ignore into tmp1 values(1, 100, 1000) on duplicate key update u=12;
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Level Code Message
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Warning 1062 Duplicate entry '12' for key 'tmp1.u'
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select * from tmp1 where id=1;
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id u v
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1 11 101
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insert into tmp1 values(2, 100, 1000) on duplicate key update v=202;
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select * from tmp1 where id=2;
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id u v
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2 12 202
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insert into tmp1 values(3, 13, 103) on duplicate key update v=203;
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select * from tmp1 where id=3;
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id u v
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3 13 103
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begin;
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insert ignore into tmp1 values(1, 100, 1000) on duplicate key update u=12;
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Level Code Message
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Warning 1062 Duplicate entry '12' for key 'tmp1.u'
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select * from tmp1 where id=1;
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id u v
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1 11 101
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insert into tmp1 values(2, 100, 1000) on duplicate key update v=302;
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select * from tmp1 where id=2;
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id u v
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2 12 302
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insert into tmp1 values(4, 14, 104) on duplicate key update v=204;
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select * from tmp1 where id=4;
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id u v
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4 14 104
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rollback;
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select * from tmp1;
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id u v
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1 11 101
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2 12 202
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3 13 103
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begin;
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insert ignore into tmp1 values(1, 100, 1000) on duplicate key update u=12;
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Level Code Message
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Warning 1062 Duplicate entry '12' for key 'tmp1.u'
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insert into tmp1 values(2, 100, 1000) on duplicate key update v=302;
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insert into tmp1 values(4, 14, 104) on duplicate key update v=204;
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commit;
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select * from tmp1;
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id u v
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1 11 101
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2 12 302
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3 13 103
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4 14 104
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drop table if exists tmp1;
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create temporary table tmp1 (id int primary key auto_increment, u int unique, v int);
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insert into tmp1 values(1, 11, 101);
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insert into tmp1 values(2, 12, 102);
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insert into tmp1 values(3, 13, 103);
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replace into tmp1 values(1, 12, 1000);
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select * from tmp1;
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id u v
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1 12 1000
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3 13 103
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replace into tmp1 values(4, 14, 104);
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select * from tmp1 where id=4;
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id u v
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4 14 104
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begin;
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replace into tmp1 values(1, 13, 999);
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select * from tmp1;
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id u v
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1 13 999
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4 14 104
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replace into tmp1 values(5, 15, 105);
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select * from tmp1 where id=5;
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id u v
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5 15 105
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rollback;
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select * from tmp1;
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id u v
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1 12 1000
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3 13 103
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4 14 104
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begin;
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replace into tmp1 values(1, 13, 999);
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replace into tmp1 values(5, 15, 105);
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commit;
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select * from tmp1;
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id u v
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1 13 999
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4 14 104
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5 15 105
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drop table if exists tmp1;
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create temporary table tmp1 (id int primary key auto_increment, u int unique, v int);
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insert into tmp1 values(1, 11, 101);
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insert into tmp1 values(2, 12, 102);
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insert into tmp1 values(4, 14, 104);
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where u=11;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where u=12;
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id u v
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2 12 102
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begin;
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select * from tmp1 where id=1;
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id u v
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1 11 101
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select * from tmp1 where u=11;
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id u v
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1 11 101
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select * from tmp1 where id=2;
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id u v
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2 12 102
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select * from tmp1 where u=12;
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id u v
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2 12 102
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insert into tmp1 values(3, 13, 103);
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select * from tmp1 where id=3;
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id u v
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3 13 103
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select * from tmp1 where u=13;
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id u v
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3 13 103
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update tmp1 set v=999 where id=2;
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select * from tmp1 where id=2;
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id u v
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2 12 999
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delete from tmp1 where id=4;
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select * from tmp1 where id=4;
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id u v
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select * from tmp1 where u=14;
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id u v
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commit;
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select * from tmp1 where id=3;
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id u v
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3 13 103
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select * from tmp1 where u=13;
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id u v
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3 13 103
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select * from tmp1 where id=2;
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id u v
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2 12 999
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select * from tmp1 where id=4;
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id u v
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select * from tmp1 where u=14;
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id u v
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drop table if exists tmp1;
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create temporary table tmp1 (id int primary key auto_increment, u int unique, v int);
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insert into tmp1 values(1, 11, 101);
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insert into tmp1 values(2, 12, 102);
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insert into tmp1 values(3, 13, 103);
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insert into tmp1 values(4, 14, 104);
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select * from tmp1 where id in (1, 3);
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id u v
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1 11 101
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3 13 103
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select * from tmp1 where u in (11, 13);
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id u v
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1 11 101
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3 13 103
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select * from tmp1 where id in (1, 3, 5);
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id u v
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1 11 101
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3 13 103
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select * from tmp1 where u in (11, 13, 15);
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id u v
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1 11 101
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3 13 103
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begin;
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select * from tmp1 where id in (1, 3);
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id u v
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1 11 101
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3 13 103
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select * from tmp1 where u in (11, 13);
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id u v
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1 11 101
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3 13 103
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select * from tmp1 where id in (1, 3, 5);
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id u v
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1 11 101
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3 13 103
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select * from tmp1 where u in (11, 13, 15);
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id u v
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1 11 101
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3 13 103
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insert into tmp1 values(6, 16, 106);
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select * from tmp1 where id in (1, 6);
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id u v
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1 11 101
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6 16 106
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select * from tmp1 where u in (11, 16);
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id u v
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1 11 101
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6 16 106
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update tmp1 set v=999 where id=3;
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select * from tmp1 where id in (1, 3);
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id u v
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1 11 101
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3 13 999
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select * from tmp1 where u in (11, 13);
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id u v
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1 11 101
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3 13 999
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delete from tmp1 where id=4;
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select * from tmp1 where id in (1, 4);
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id u v
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1 11 101
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select * from tmp1 where u in (11, 14);
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id u v
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1 11 101
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commit;
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select * from tmp1 where id in (1, 3, 6);
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id u v
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1 11 101
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3 13 999
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6 16 106
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select * from tmp1 where u in (11, 13, 16);
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id u v
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1 11 101
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3 13 999
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6 16 106
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select * from tmp1 where id in (1, 4);
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id u v
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1 11 101
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select * from tmp1 where u in (11, 14);
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id u v
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1 11 101
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drop table if exists tmp1;
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create temporary table tmp1 (id int primary key auto_increment, u int unique, v int);
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insert into tmp1 values(1, 101, 1001), (3, 113, 1003), (5, 105, 1005), (7, 117, 1007), (9, 109, 1009),(10, 110, 1010), (12, 112, 1012), (14, 114, 1014), (16, 116, 1016), (18, 118, 1018);
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select * from tmp1 where id>3 order by id;
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id u v
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5 105 1005
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7 117 1007
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9 109 1009
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10 110 1010
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12 112 1012
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14 114 1014
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16 116 1016
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18 118 1018
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select /*+ use_index(tmp1, u) */ * from tmp1 where u>101 order by u;
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id u v
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5 105 1005
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9 109 1009
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10 110 1010
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12 112 1012
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3 113 1003
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14 114 1014
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16 116 1016
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7 117 1007
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18 118 1018
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select /*+ use_index(tmp1, u) */ id,u from tmp1 where u>101 order by id;
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id u
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3 113
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5 105
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7 117
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9 109
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10 110
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12 112
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14 114
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16 116
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18 118
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select /*+ use_index_merge(tmp1, primary, u) */ * from tmp1 where id>5 or u>110 order by u;
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id u v
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9 109 1009
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10 110 1010
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12 112 1012
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3 113 1003
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14 114 1014
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16 116 1016
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7 117 1007
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18 118 1018
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Level Code Message
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Warning 1105 IndexMerge is inapplicable or disabled. Cannot use IndexMerge on temporary table.
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begin;
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select * from tmp1 where id>3 order by id;
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id u v
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5 105 1005
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7 117 1007
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9 109 1009
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10 110 1010
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12 112 1012
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14 114 1014
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16 116 1016
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18 118 1018
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select /*+ use_index(tmp1, u) */ * from tmp1 where u>101 order by u;
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id u v
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5 105 1005
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9 109 1009
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10 110 1010
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12 112 1012
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3 113 1003
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14 114 1014
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16 116 1016
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7 117 1007
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18 118 1018
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select /*+ use_index(tmp1, u) */ id,u from tmp1 where u>101 order by id;
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id u
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3 113
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5 105
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7 117
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9 109
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10 110
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12 112
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14 114
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16 116
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18 118
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select /*+ use_index_merge(tmp1, primary, u) */ * from tmp1 where id>5 or u>110 order by u;
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id u v
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9 109 1009
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10 110 1010
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12 112 1012
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3 113 1003
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14 114 1014
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16 116 1016
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7 117 1007
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18 118 1018
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Level Code Message
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Warning 1105 IndexMerge is inapplicable or disabled. Cannot use IndexMerge on temporary table.
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insert into tmp1 values(2, 100, 1002);
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insert into tmp1 values(4, 104, 1004);
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insert into tmp1 values(11, 111, 1011);
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update tmp1 set v=9999 where id=7;
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update tmp1 set u=132 where id=12;
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delete from tmp1 where id=16;
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rollback;
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select * from tmp1 where id>3 order by id;
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id u v
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5 105 1005
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7 117 1007
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9 109 1009
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10 110 1010
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12 112 1012
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14 114 1014
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16 116 1016
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18 118 1018
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select /*+ use_index(tmp1, u) */ * from tmp1 where u>101 order by u;
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id u v
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5 105 1005
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9 109 1009
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10 110 1010
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12 112 1012
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3 113 1003
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14 114 1014
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16 116 1016
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7 117 1007
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18 118 1018
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select /*+ use_index(tmp1, u) */ id,u from tmp1 where u>101 order by id;
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id u
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3 113
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|
5 105
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7 117
|
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9 109
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|
10 110
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|
12 112
|
|
14 114
|
|
16 116
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18 118
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select /*+ use_index_merge(tmp1, primary, u) */ * from tmp1 where id>5 or u>110 order by u;
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id u v
|
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9 109 1009
|
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10 110 1010
|
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12 112 1012
|
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3 113 1003
|
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14 114 1014
|
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16 116 1016
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7 117 1007
|
|
18 118 1018
|
|
Level Code Message
|
|
Warning 1105 IndexMerge is inapplicable or disabled. Cannot use IndexMerge on temporary table.
|
|
begin;
|
|
insert into tmp1 values(2, 100, 1002);
|
|
insert into tmp1 values(4, 104, 1004);
|
|
insert into tmp1 values(11, 111, 1011);
|
|
update tmp1 set v=9999 where id=7;
|
|
update tmp1 set u=132 where id=12;
|
|
delete from tmp1 where id=16;
|
|
select * from tmp1 where id>3 order by id;
|
|
id u v
|
|
4 104 1004
|
|
5 105 1005
|
|
7 117 9999
|
|
9 109 1009
|
|
10 110 1010
|
|
11 111 1011
|
|
12 132 1012
|
|
14 114 1014
|
|
18 118 1018
|
|
select /*+ use_index(tmp1, u) */ * from tmp1 where u>101 order by u;
|
|
id u v
|
|
4 104 1004
|
|
5 105 1005
|
|
9 109 1009
|
|
10 110 1010
|
|
11 111 1011
|
|
3 113 1003
|
|
14 114 1014
|
|
7 117 9999
|
|
18 118 1018
|
|
12 132 1012
|
|
select /*+ use_index(tmp1, u) */ id,u from tmp1 where u>101 order by id;
|
|
id u
|
|
3 113
|
|
4 104
|
|
5 105
|
|
7 117
|
|
9 109
|
|
10 110
|
|
11 111
|
|
12 132
|
|
14 114
|
|
18 118
|
|
select /*+ use_index_merge(tmp1, primary, u) */ * from tmp1 where id>5 or u>110 order by u;
|
|
id u v
|
|
9 109 1009
|
|
10 110 1010
|
|
11 111 1011
|
|
3 113 1003
|
|
14 114 1014
|
|
7 117 9999
|
|
18 118 1018
|
|
12 132 1012
|
|
Level Code Message
|
|
Warning 1105 IndexMerge is inapplicable or disabled. Cannot use IndexMerge on temporary table.
|
|
commit;
|
|
select * from tmp1 where id>3 order by id;
|
|
id u v
|
|
4 104 1004
|
|
5 105 1005
|
|
7 117 9999
|
|
9 109 1009
|
|
10 110 1010
|
|
11 111 1011
|
|
12 132 1012
|
|
14 114 1014
|
|
18 118 1018
|
|
select /*+ use_index(tmp1, u) */ * from tmp1 where u>101 order by u;
|
|
id u v
|
|
4 104 1004
|
|
5 105 1005
|
|
9 109 1009
|
|
10 110 1010
|
|
11 111 1011
|
|
3 113 1003
|
|
14 114 1014
|
|
7 117 9999
|
|
18 118 1018
|
|
12 132 1012
|
|
select /*+ use_index(tmp1, u) */ id,u from tmp1 where u>101 order by id;
|
|
id u
|
|
3 113
|
|
4 104
|
|
5 105
|
|
7 117
|
|
9 109
|
|
10 110
|
|
11 111
|
|
12 132
|
|
14 114
|
|
18 118
|
|
select /*+ use_index_merge(tmp1, primary, u) */ * from tmp1 where id>5 or u>110 order by u;
|
|
id u v
|
|
9 109 1009
|
|
10 110 1010
|
|
11 111 1011
|
|
3 113 1003
|
|
14 114 1014
|
|
7 117 9999
|
|
18 118 1018
|
|
12 132 1012
|
|
Level Code Message
|
|
Warning 1105 IndexMerge is inapplicable or disabled. Cannot use IndexMerge on temporary table.
|
|
drop table if exists t1;
|
|
drop sequence if exists s1;
|
|
drop view if exists v1;
|
|
create table t1 (a int);
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
|
|
create view v1 as select 1;
|
|
show create view v1;
|
|
View Create View character_set_client collation_connection
|
|
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`%` SQL SECURITY DEFINER VIEW `v1` (`1`) AS SELECT 1 AS `1` utf8mb4 utf8mb4_general_ci
|
|
show create table v1;
|
|
View Create View character_set_client collation_connection
|
|
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`%` SQL SECURITY DEFINER VIEW `v1` (`1`) AS SELECT 1 AS `1` utf8mb4 utf8mb4_general_ci
|
|
create sequence s1;
|
|
show create sequence s1;
|
|
Sequence Create Sequence
|
|
s1 CREATE SEQUENCE `s1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=InnoDB
|
|
show create table s1;
|
|
Sequence Create Sequence
|
|
s1 CREATE SEQUENCE `s1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=InnoDB
|
|
create temporary table t1 (ct1 int);
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TEMPORARY TABLE `t1` (
|
|
`ct1` int(11) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
|
|
create temporary table v1 (cv1 int);
|
|
show create view v1;
|
|
View Create View character_set_client collation_connection
|
|
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`%` SQL SECURITY DEFINER VIEW `v1` (`1`) AS SELECT 1 AS `1` utf8mb4 utf8mb4_general_ci
|
|
show create table v1;
|
|
Table Create Table
|
|
v1 CREATE TEMPORARY TABLE `v1` (
|
|
`cv1` int(11) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
|
|
create temporary table s1 (cs1 int);
|
|
show create sequence s1;
|
|
Table Create Table
|
|
s1 CREATE SEQUENCE `s1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=InnoDB
|
|
show create table s1;
|
|
Table Create Table
|
|
s1 CREATE TEMPORARY TABLE `s1` (
|
|
`cs1` int(11) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
|
|
drop view v1;
|
|
show create view v1;
|
|
Error 1146 (42S02): Table 'session__temporary_table.v1' doesn't exist
|
|
show create table v1;
|
|
Table Create Table
|
|
v1 CREATE TEMPORARY TABLE `v1` (
|
|
`cv1` int(11) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
|
|
drop sequence s1;
|
|
show create sequence s1;
|
|
Error 1146 (42S02): Table 'session__temporary_table.s1' doesn't exist
|
|
show create table s1;
|
|
Table Create Table
|
|
s1 CREATE TEMPORARY TABLE `s1` (
|
|
`cs1` int(11) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
|
|
drop sequence if exists s1;
|
|
drop view if exists v1;
|
|
drop table if exists t1;
|
|
drop table if exists tmp1;
|
|
create temporary table tmp1 (id int primary key auto_increment, u int unique, v int);
|
|
insert into tmp1 values(1, 11, 101);
|
|
insert into tmp1 values(2, 12, 102);
|
|
insert ignore into tmp1 values(1, 100, 1000);
|
|
Level Code Message
|
|
Warning 1062 Duplicate entry '1' for key 'tmp1.PRIMARY'
|
|
select * from tmp1 where id=1;
|
|
id u v
|
|
1 11 101
|
|
insert ignore into tmp1 values(5, 15, 105);
|
|
select * from tmp1 where id=5;
|
|
id u v
|
|
5 15 105
|
|
begin;
|
|
insert ignore into tmp1 values(1, 100, 1000);
|
|
Level Code Message
|
|
Warning 1062 Duplicate entry '1' for key 'tmp1.PRIMARY'
|
|
select * from tmp1 where id=1;
|
|
id u v
|
|
1 11 101
|
|
insert ignore into tmp1 values(3, 13, 103);
|
|
select * from tmp1 where id=3;
|
|
id u v
|
|
3 13 103
|
|
insert ignore into tmp1 values(3, 100, 1000);
|
|
Level Code Message
|
|
Warning 1062 Duplicate entry '3' for key 'tmp1.PRIMARY'
|
|
select * from tmp1 where id=3;
|
|
id u v
|
|
3 13 103
|
|
rollback;
|
|
select * from tmp1;
|
|
id u v
|
|
1 11 101
|
|
2 12 102
|
|
5 15 105
|
|
begin;
|
|
insert ignore into tmp1 values(1, 100, 1000);
|
|
Level Code Message
|
|
Warning 1062 Duplicate entry '1' for key 'tmp1.PRIMARY'
|
|
insert ignore into tmp1 values(3, 13, 103);
|
|
insert ignore into tmp1 values(3, 100, 1000);
|
|
Level Code Message
|
|
Warning 1062 Duplicate entry '3' for key 'tmp1.PRIMARY'
|
|
commit;
|
|
select * from tmp1;
|
|
id u v
|
|
1 11 101
|
|
2 12 102
|
|
3 13 103
|
|
5 15 105
|