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Bug#14400 - Query joins wrong rows from table which is subject of

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"concurrent insert"
Additional fix for full keys and test case.


myisam/mi_rkey.c:
  Bug#14400 - Query joins wrong rows from table which is subject of
              "concurrent insert"
  Additional fix for full keys.
mysql-test/r/myisam.result:
  Bug#14400 - Query joins wrong rows from table which is subject of
              "concurrent insert"
  Additional results.
mysql-test/t/myisam.test:
  Bug#14400 - Query joins wrong rows from table which is subject of
              "concurrent insert"
  Additional test case.
This commit is contained in:
unknown
2006-09-07 15:39:31 +02:00
parent 7d600f7131
commit 71314617ae
3 changed files with 53 additions and 16 deletions
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13
mysql-test/r/myisam.result
View File

@ -487,3 +487,16 @@ a a b
1 1 1
2 2 1
drop table t1,t2;
CREATE TABLE t1 (c1 varchar(250) NOT NULL);
CREATE TABLE t2 (c1 varchar(250) NOT NULL, PRIMARY KEY (c1));
INSERT INTO t1 VALUES ('test000001'), ('test000002'), ('test000003');
INSERT INTO t2 VALUES ('test000002'), ('test000003'), ('test000004');
LOCK TABLES t1 READ LOCAL, t2 READ LOCAL;
SELECT t1.c1 AS t1c1, t2.c1 AS t2c1 FROM t1, t2
WHERE t1.c1 = t2.c1 HAVING t1c1 != t2c1;
t1c1 t2c1
INSERT INTO t2 VALUES ('test000001'), ('test000005');
SELECT t1.c1 AS t1c1, t2.c1 AS t2c1 FROM t1, t2
WHERE t1.c1 = t2.c1 HAVING t1c1 != t2c1;
t1c1 t2c1
DROP TABLE t1,t2;

18
mysql-test/t/myisam.test
View File

@ -461,6 +461,7 @@ drop table t1;
#
# Bug #14400 Join could miss concurrently inserted row
#
# Partial key.
create table t1 (a int not null, primary key(a));
create table t2 (a int not null, b int not null, primary key(a,b));
insert into t1 values (1),(2),(3),(4),(5),(6);
@ -473,5 +474,22 @@ disconnect root;
connection default;
select straight_join * from t1,t2 force index (primary) where t1.a=t2.a;
drop table t1,t2;
#
# Full key.
CREATE TABLE t1 (c1 varchar(250) NOT NULL);
CREATE TABLE t2 (c1 varchar(250) NOT NULL, PRIMARY KEY (c1));
INSERT INTO t1 VALUES ('test000001'), ('test000002'), ('test000003');
INSERT INTO t2 VALUES ('test000002'), ('test000003'), ('test000004');
LOCK TABLES t1 READ LOCAL, t2 READ LOCAL;
SELECT t1.c1 AS t1c1, t2.c1 AS t2c1 FROM t1, t2
WHERE t1.c1 = t2.c1 HAVING t1c1 != t2c1;
connect (con1,localhost,root,,);
connection con1;
INSERT INTO t2 VALUES ('test000001'), ('test000005');
disconnect con1;
connection default;
SELECT t1.c1 AS t1c1, t2.c1 AS t2c1 FROM t1, t2
WHERE t1.c1 = t2.c1 HAVING t1c1 != t2c1;
DROP TABLE t1,t2;
# end of 4.0 tests