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01c9fd31d7
The INSERT DELAYED should not maintain its own private auto-increment counter, because this is assuming that other threads cannot insert into the table while the INSERT DELAYED thread is inserting, which is a wrong assumption. So the start of processing of a batch of INSERT rows in the INSERT DELAYED thread must be treated as a start of a new statement and cached next_insert_id must be cleared. mysql-test/r/delayed.result: test suite for the bug mysql-test/t/delayed.test: test suite for the bug sql/sql_insert.cc: Reset auto-increment cacheing before processing the next batch of inserts in the handler thread
72 lines
1.8 KiB
Plaintext
72 lines
1.8 KiB
Plaintext
drop table if exists t1;
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create table t1 (a char(10), tmsp timestamp);
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insert into t1 set a = 1;
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insert delayed into t1 set a = 2;
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insert into t1 set a = 3, tmsp=NULL;
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insert delayed into t1 set a = 4;
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insert delayed into t1 set a = 5, tmsp = 19711006010203;
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insert delayed into t1 (a, tmsp) values (6, 19711006010203);
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insert delayed into t1 (a, tmsp) values (7, NULL);
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insert into t1 set a = 8,tmsp=19711006010203;
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select * from t1 where tmsp=0;
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a tmsp
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select * from t1 where tmsp=19711006010203;
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a tmsp
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5 1971-10-06 01:02:03
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6 1971-10-06 01:02:03
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8 1971-10-06 01:02:03
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drop table t1;
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create table t1 (a int not null auto_increment primary key, b char(10));
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insert delayed into t1 values (1,"b");
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insert delayed into t1 values (null,"c");
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insert delayed into t1 values (3,"d"),(null,"e");
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insert delayed into t1 values (3,"this will give an","error");
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ERROR 21S01: Column count doesn't match value count at row 1
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show status like 'not_flushed_delayed_rows';
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Variable_name Value
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Not_flushed_delayed_rows 0
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select * from t1;
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a b
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1 b
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2 c
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3 d
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4 e
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drop table t1;
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create table t1 (a int not null primary key);
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insert into t1 values (1);
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insert delayed into t1 values (1);
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select * from t1;
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a
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1
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drop table t1;
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CREATE TABLE t1 ( a int(10) NOT NULL auto_increment, PRIMARY KEY (a));
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insert delayed into t1 values(null);
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insert into t1 values(null);
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insert into t1 values(null);
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insert delayed into t1 values(null);
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insert delayed into t1 values(null);
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insert delayed into t1 values(null);
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insert into t1 values(null);
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insert into t1 values(null);
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insert into t1 values(null);
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delete from t1 where a=6;
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insert delayed into t1 values(null);
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insert delayed into t1 values(null);
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insert delayed into t1 values(null);
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insert delayed into t1 values(null);
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select * from t1 order by a;
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a
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1
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2
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3
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4
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5
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7
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8
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9
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10
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11
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12
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13
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DROP TABLE t1;
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