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New multi-table-update code

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New (simpler) internal timestamp handling.
More debuging to heap tables.
Small cleanups to multi-table-delete
false -> 0 and true -> 1  (We should use TRUE and FALSE)


heap/_check.c:
  Added checking of rows
heap/hp_delete.c:
  Extra debugging
heap/hp_scan.c:
  Extra debugging
heap/hp_update.c:
  Extra debugging
heap/hp_write.c:
  Extra debugging
include/my_base.h:
  Added option to disable row cache when using updates
isam/extra.c:
  Added option to disable row cache when using updates
myisam/mi_check.c:
  Comment cleanup
myisam/mi_extra.c:
  Added option to disable row cache when using updates
myisam/sort.c:
  Indentaion cleanups
myisammrg/myrg_extra.c:
  Added option to disable row cache when using updates
mysql-test/r/multi_update.result:
  Updated results
mysql-test/t/multi_update.test:
  Cleanup up to only use table names t1, t2,...
mysys/mf_iocache.c:
  Safety fix
sql/item_cmpfunc.cc:
  change true-> 1 and false -> 0
sql/mysql_priv.h:
  Cleaned up SQL_LIST handling
sql/sql_base.cc:
  Fixed grant checking if SELECT tablename.*
sql/sql_class.h:
  Cleaned up multi-table-update
sql/sql_delete.cc:
  Fixed OPTION_SAFE_UPDATE checking in multi-table-delete.
  Fixed query-cache invalidation in multi-table-delete
sql/sql_insert.cc:
  cleaned up timestamp handling
sql/sql_olap.cc:
  false -> 0
sql/sql_parse.cc:
  Optimized some list handling.
  Moved multi-table-update to sql_update.cc
sql/sql_select.cc:
  More comments
  Fixed create_tmp_table for multi-table-update
sql/sql_select.h:
  New prototypes
sql/sql_union.cc:
  false -> 0
  Cleaned up timestamp handling
sql/sql_update.cc:
  New multi-update-table code
sql/sql_yacc.yy:
  false -> 0, true -> 1
  Optimized some list handling
sql/table.h:
  Added union for temporary values.
  Made shared int to be able to store counters.
sql/uniques.cc:
  Indentation cleanup
This commit is contained in:
unknown 2002-11-29 16:40:18 +02:00
commit 4653621909
29 changed files with 773 additions and 633 deletions
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48
mysql-test/r/multi_update.result
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@ -20,7 +20,7 @@ count(*)
10
select count(*) from t2 where t = "bbb";
count(*)
10
50
select count(*) from t2 where id2 > 90;
count(*)
50
@ -70,71 +70,61 @@ create table t1(id1 int not null primary key, t varchar(100)) pack_keys = 1;
create table t2(id2 int not null, t varchar(100), index(id2)) pack_keys = 1;
delete t1 from t1,t2 where t1.id1 = t2.id2 and t1.id1 > 500;
drop table t1,t2;
DROP TABLE IF EXISTS a,b,c;
CREATE TABLE a (
CREATE TABLE t1 (
id int(11) NOT NULL default '0',
name varchar(10) default NULL,
PRIMARY KEY (id)
) TYPE=MyISAM;
INSERT INTO a VALUES (1,'aaa'),(2,'aaa'),(3,'aaa');
CREATE TABLE b (
INSERT INTO t1 VALUES (1,'aaa'),(2,'aaa'),(3,'aaa');
CREATE TABLE t2 (
id int(11) NOT NULL default '0',
name varchar(10) default NULL,
PRIMARY KEY (id)
) TYPE=MyISAM;
INSERT INTO b VALUES (2,'bbb'),(3,'bbb'),(4,'bbb');
CREATE TABLE c (
INSERT INTO t2 VALUES (2,'bbb'),(3,'bbb'),(4,'bbb');
CREATE TABLE t3 (
id int(11) NOT NULL default '0',
mydate datetime default NULL,
PRIMARY KEY (id)
) TYPE=MyISAM;
INSERT INTO c VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22
INSERT INTO t3 VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22
00:00:00'),(7,'2002-07-22 00:00:00');
delete a,b,c from a,b,c
where to_days(now())-to_days(c.mydate)>=30
and c.id=a.id and c.id=b.id;
select * from c;
delete t1,t2,t3 from t1,t2,t3 where to_days(now())-to_days(t3.mydate)>=30 and t3.id=t1.id and t3.id=t2.id;
select * from t3;
id mydate
1 2002-02-04 00:00:00
5 2002-05-12 00:00:00
6 2002-06-22 00:00:00
7 2002-07-22 00:00:00
DROP TABLE IF EXISTS a,b,c;
drop table if exists parent, child;
CREATE TABLE IF NOT EXISTS `parent` (
DROP TABLE IF EXISTS t1,t2,t3;
CREATE TABLE IF NOT EXISTS `t1` (
`id` int(11) NOT NULL auto_increment,
`tst` text,
`tst1` text,
PRIMARY KEY (`id`)
) TYPE=MyISAM;
CREATE TABLE IF NOT EXISTS `child` (
CREATE TABLE IF NOT EXISTS `t2` (
`ID` int(11) NOT NULL auto_increment,
`ParId` int(11) default NULL,
`tst` text,
`tst1` text,
PRIMARY KEY (`ID`),
KEY `IX_ParId_child` (`ParId`),
FOREIGN KEY (`ParId`) REFERENCES `test.parent` (`id`)
KEY `IX_ParId_t2` (`ParId`),
FOREIGN KEY (`ParId`) REFERENCES `t1` (`id`)
) TYPE=MyISAM;
INSERT INTO parent(tst,tst1)
VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");
INSERT INTO child(ParId)
VALUES(1), (2), (3);
select * from child;
INSERT INTO t1(tst,tst1) VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");
INSERT INTO t2(ParId) VALUES(1), (2), (3);
select * from t2;
ID ParId tst tst1
1 1 NULL NULL
2 2 NULL NULL
3 3 NULL NULL
UPDATE child, parent
SET child.tst = parent.tst,
child.tst1 = parent.tst1
WHERE child.ParId = parent.Id;
select * from child;
UPDATE t2, t1 SET t2.tst = t1.tst, t2.tst1 = t1.tst1 WHERE t2.ParId = t1.Id;
select * from t2;
ID ParId tst tst1
1 1 MySQL MySQL AB
2 2 MSSQL Microsoft
3 3 ORACLE ORACLE
drop table parent, child;
drop table if exists t1, t2 ;
create table t1 (n numeric(10));
create table t2 (n numeric(10));