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Bug #17249 ndb, delete statement with join where clause fails when table do not have pk

Browse Source 
Bug #17257 ndb, update fails for inner joins if tables do not have Primary Key

change: the allocated area by setValue may not be around for later, store hidden key in special member variable instead


mysql-test/r/ndb_basic.result:
  Bug #17249 delete statement with join where clause fails when table do not have pk
  Bug #17257 update fails for inner joins if tables do not have Primary Key
mysql-test/t/ndb_basic.test:
  Bug #17249 delete statement with join where clause fails when table do not have pk
  Bug #17257 update fails for inner joins if tables do not have Primary Key
sql/ha_ndbcluster.cc:
  Bug #17249 delete statement with join where clause fails when table do not have pk
  Bug #17257 update fails for inner joins if tables do not have Primary Key
  
  change: the allocated area by setValue may not be around for later, store hidden key in special member variable instead
sql/ha_ndbcluster.h:
  Bug #17249 delete statement with join where clause fails when table do not have pk
  Bug #17257 update fails for inner joins if tables do not have Primary Key
  
  change: the allocated area by setValue may not be around for later, store hidden key in special member variable instead
This commit is contained in:
unknown 2006-02-10 17:40:22 +01:00
parent 523d97f4dd
commit 26287714d5
4 changed files with 130 additions and 14 deletions
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55
mysql-test/r/ndb_basic.result
View File

@ -671,3 +671,58 @@ CREATE TABLE t1 ( b INT ) PACK_KEYS = 0 ENGINE = ndb;
select * from t1;
b
drop table t1;
create table t1 (a int) engine=ndb;
create table t2 (a int) engine=ndb;
insert into t1 values (1);
insert into t2 values (1);
delete t1.* from t1, t2 where t1.a = t2.a;
select * from t1;
a
select * from t2;
a
1
drop table t1;
drop table t2;
CREATE TABLE t1 (
i INT,
j INT,
x INT,
y INT,
z INT
) engine=ndb;
CREATE TABLE t2 (
i INT,
k INT,
x INT,
y INT,
z INT
) engine=ndb;
CREATE TABLE t3 (
j INT,
k INT,
x INT,
y INT,
z INT
) engine=ndb;
INSERT INTO t1 VALUES ( 1, 2,13,14,15);
INSERT INTO t2 VALUES ( 1, 3,23,24,25);
INSERT INTO t3 VALUES ( 2, 3, 1,34,35), ( 2, 3, 1,34,36);
UPDATE t1 AS a
INNER JOIN t2 AS b
ON a.i = b.i
INNER JOIN t3 AS c
ON a.j = c.j AND b.k = c.k
SET a.x = b.x,
a.y = b.y,
a.z = (
SELECT sum(z)
FROM t3
WHERE y = 34
)
WHERE b.x = 23;
select * from t1;
i j x y z
1 2 23 24 71
drop table t1;
drop table t2;
drop table t3;

66
mysql-test/t/ndb_basic.test
View File

@ -614,4 +614,70 @@ CREATE TABLE t1 ( b INT ) PACK_KEYS = 0 ENGINE = ndb;
select * from t1;
drop table t1;
#
# Bug #17249 delete statement with join where clause fails
# when table do not have pk
#
create table t1 (a int) engine=ndb;
create table t2 (a int) engine=ndb;
insert into t1 values (1);
insert into t2 values (1);
delete t1.* from t1, t2 where t1.a = t2.a;
select * from t1;
select * from t2;
drop table t1;
drop table t2;
#
# Bug #17257 update fails for inner joins if tables
# do not have Primary Key
#
CREATE TABLE t1 (
i INT,
j INT,
x INT,
y INT,
z INT
) engine=ndb;
CREATE TABLE t2 (
i INT,
k INT,
x INT,
y INT,
z INT
) engine=ndb;
CREATE TABLE t3 (
j INT,
k INT,
x INT,
y INT,
z INT
) engine=ndb;
INSERT INTO t1 VALUES ( 1, 2,13,14,15);
INSERT INTO t2 VALUES ( 1, 3,23,24,25);
INSERT INTO t3 VALUES ( 2, 3, 1,34,35), ( 2, 3, 1,34,36);
UPDATE t1 AS a
INNER JOIN t2 AS b
ON a.i = b.i
INNER JOIN t3 AS c
ON a.j = c.j AND b.k = c.k
SET a.x = b.x,
a.y = b.y,
a.z = (
SELECT sum(z)
FROM t3
WHERE y = 34
)
WHERE b.x = 23;
select * from t1;
drop table t1;
drop table t2;
drop table t3;
# End of 4.1 tests

20
sql/ha_ndbcluster.cc
View File

@ -45,8 +45,6 @@ static const int max_transactions= 256;
static const char *ha_ndb_ext=".ndb";
#define NDB_HIDDEN_PRIMARY_KEY_LENGTH 8
#define NDB_FAILED_AUTO_INCREMENT ~(Uint64)0
#define NDB_AUTO_INCREMENT_RETRIES 10
@ -747,7 +745,7 @@ int ha_ndbcluster::get_ndb_value(NdbOperation *ndb_op, Field *field,
}
// Used for hidden key only
m_value[fieldnr].rec= ndb_op->getValue(fieldnr, NULL);
m_value[fieldnr].rec= ndb_op->getValue(fieldnr, m_ref);
DBUG_RETURN(m_value[fieldnr].rec == NULL);
}
@ -2098,13 +2096,10 @@ int ha_ndbcluster::update_row(const byte *old_data, byte *new_data)
DBUG_PRINT("info", ("Using hidden key"));
// Require that the PK for this record has previously been
// read into m_value
uint no_fields= table->fields;
NdbRecAttr* rec= m_value[no_fields].rec;
DBUG_ASSERT(rec);
DBUG_DUMP("key", (char*)rec->aRef(), NDB_HIDDEN_PRIMARY_KEY_LENGTH);
// read into m_ref
DBUG_DUMP("key", m_ref, NDB_HIDDEN_PRIMARY_KEY_LENGTH);
if (set_hidden_key(op, no_fields, rec->aRef()))
if (set_hidden_key(op, table->fields, m_ref))
ERR_RETURN(op->getNdbError());
}
else
@ -2181,11 +2176,8 @@ int ha_ndbcluster::delete_row(const byte *record)
{
// This table has no primary key, use "hidden" primary key
DBUG_PRINT("info", ("Using hidden key"));
uint no_fields= table->fields;
NdbRecAttr* rec= m_value[no_fields].rec;
DBUG_ASSERT(rec != NULL);
if (set_hidden_key(op, no_fields, rec->aRef()))
if (set_hidden_key(op, table->fields, m_ref))
ERR_RETURN(op->getNdbError());
}
else
@ -2792,7 +2784,7 @@ void ha_ndbcluster::position(const byte *record)
hidden_col->getAutoIncrement() &&
rec != NULL &&
ref_length == NDB_HIDDEN_PRIMARY_KEY_LENGTH);
memcpy(ref, (const void*)rec->aRef(), ref_length);
memcpy(ref, m_ref, ref_length);
}
DBUG_DUMP("ref", (char*)ref, ref_length);

3
sql/ha_ndbcluster.h
View File

@ -27,6 +27,8 @@
#include <ndbapi_limits.h>
#define NDB_HIDDEN_PRIMARY_KEY_LENGTH 8
class Ndb; // Forward declaration
class NdbOperation; // Forward declaration
class NdbConnection; // Forward declaration
@ -226,6 +228,7 @@ class ha_ndbcluster: public handler
// NdbRecAttr has no reference to blob
typedef union { NdbRecAttr *rec; NdbBlob *blob; void *ptr; } NdbValue;
NdbValue m_value[NDB_MAX_ATTRIBUTES_IN_TABLE];
byte m_ref[NDB_HIDDEN_PRIMARY_KEY_LENGTH];
bool m_use_write;
bool m_ignore_dup_key;
bool m_primary_key_update;