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mirror of https://github.com/MariaDB/server.git synced 2025-06-16 11:21:15 +03:00

Merge olga.mysql.com:/home/igor/mysql-5.0-opt

into  olga.mysql.com:/home/igor/mysql-5.1-opt


BitKeeper/etc/gone:
  auto-union
mysql-test/r/insert_select.result:
  Auto merged
mysql-test/r/join_outer.result:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/r/view.result:
  Auto merged
mysql-test/t/insert_select.test:
  Auto merged
mysql-test/t/join_outer.test:
  Auto merged
mysql-test/t/select.test:
  Auto merged
mysys/my_getopt.c:
  Auto merged
sql/field.h:
  Auto merged
sql/field_conv.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_view.cc:
  Auto merged
sql/table.cc:
  Auto merged
sql/table.h:
  Auto merged
mysql-test/include/mix1.inc:
  Manual merge
mysql-test/r/information_schema.result:
  Manual merge
mysql-test/r/innodb_mysql.result:
  Manual merge
mysql-test/t/information_schema.test:
  Manual merge
mysql-test/t/view.test:
  Manual merge
mysys/my_pthread.c:
  Manual merge
sql/mysql_priv.h:
  Manual merge
sql/opt_range.cc:
  Manual merge
sql/sql_insert.cc:
  Manual merge
sql/sql_update.cc:
  Manual merge
This commit is contained in:
unknown
2007-02-13 01:34:36 -08:00
31 changed files with 658 additions and 86 deletions

View File

@ -324,6 +324,70 @@ EXPLAIN SELECT SQL_BIG_RESULT b, SUM(c) FROM t1 GROUP BY b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 128 Using filesort
DROP TABLE t1;
CREATE TABLE t1 (
id int NOT NULL,
name varchar(20) NOT NULL,
dept varchar(20) NOT NULL,
age tinyint(3) unsigned NOT NULL,
PRIMARY KEY (id),
INDEX (name,dept)
) ENGINE=InnoDB;
INSERT INTO t1(id, dept, age, name) VALUES
(3987, 'cs1', 10, 'rs1'), (3988, 'cs2', 20, 'rs1'), (3995, 'cs3', 10, 'rs2'),
(3996, 'cs4', 20, 'rs2'), (4003, 'cs5', 10, 'rs3'), (4004, 'cs6', 20, 'rs3'),
(4011, 'cs7', 10, 'rs4'), (4012, 'cs8', 20, 'rs4'), (4019, 'cs9', 10, 'rs5'),
(4020, 'cs10', 20, 'rs5'),(4027, 'cs11', 10, 'rs6'),(4028, 'cs12', 20, 'rs6');
EXPLAIN SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range name name 44 NULL 2 Using where; Using index for group-by
SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5';
name dept
rs5 cs10
rs5 cs9
DELETE FROM t1;
EXPLAIN SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range name name 44 NULL 2 Using where; Using index for group-by
SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5';
name dept
DROP TABLE t1;
show variables like 'innodb_rollback_on_timeout';
Variable_name Value
innodb_rollback_on_timeout OFF
create table t1 (a int unsigned not null primary key) engine = innodb;
insert into t1 values (1);
commit;
begin work;
insert into t1 values (2);
select * from t1;
a
1
2
begin work;
insert into t1 values (5);
select * from t1;
a
1
5
insert into t1 values (2);
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
select * from t1;
a
1
5
commit;
select * from t1;
a
1
2
commit;
select * from t1;
a
1
2
5
drop table t1;
End of 5.0 tests
CREATE TABLE t1 (a int, b int);
insert into t1 values (1,1),(1,2);
CREATE TABLE t2 (primary key (a)) select * from t1;