mirror of
https://github.com/MariaDB/server.git
synced 2025-01-31 11:01:52 +01:00
785e2248bd
don't print partitioning expression as it was entered by the user, use Item::print() according to the sql_mode and sql_quote_show_create
82 lines
1.9 KiB
Text
82 lines
1.9 KiB
Text
create table t1 (a double not null, primary key(a)) engine='InnoDB'
|
|
partition by key (a) (
|
|
partition pa1 max_rows=20 min_rows=2,
|
|
partition pa2 max_rows=30 min_rows=3,
|
|
partition pa3 max_rows=30 min_rows=4,
|
|
partition pa4 max_rows=40 min_rows=2);
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` double NOT NULL,
|
|
PRIMARY KEY (`a`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
PARTITION BY KEY (`a`)
|
|
(PARTITION `pa1` MAX_ROWS = 20 MIN_ROWS = 2 ENGINE = InnoDB,
|
|
PARTITION `pa2` MAX_ROWS = 30 MIN_ROWS = 3 ENGINE = InnoDB,
|
|
PARTITION `pa3` MAX_ROWS = 30 MIN_ROWS = 4 ENGINE = InnoDB,
|
|
PARTITION `pa4` MAX_ROWS = 40 MIN_ROWS = 2 ENGINE = InnoDB)
|
|
insert into t1 values (-2.2250738585072014E+208), (-2.2250738585072014E-208), (-1.5), (-1), (0), (1.5), (1234.567), (2.2250738585072014E+208);
|
|
select * from t1;
|
|
a
|
|
-2.2250738585072016e208
|
|
-1.5
|
|
-1
|
|
-2.2250738585072014e-208
|
|
0
|
|
1.5
|
|
1234.567
|
|
2.2250738585072016e208
|
|
select * from t1 where a=1.5;
|
|
a
|
|
1.5
|
|
delete from t1 where a=1.5;
|
|
select * from t1;
|
|
a
|
|
-2.2250738585072016e208
|
|
-1.5
|
|
-1
|
|
-2.2250738585072014e-208
|
|
0
|
|
1234.567
|
|
2.2250738585072016e208
|
|
drop table t1;
|
|
create table t2 (a double not null, primary key(a)) engine='InnoDB'
|
|
partition by key (a) partitions 10;
|
|
show create table t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`a` double NOT NULL,
|
|
PRIMARY KEY (`a`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
PARTITION BY KEY (`a`)
|
|
PARTITIONS 10
|
|
insert into t2 values (-2.2250738585072014E+208), (-2.2250738585072014E-208), (-1.5), (-1), (0), (1.5), (1234.567), (2.2250738585072014E+208);
|
|
select * from t2;
|
|
a
|
|
-2.2250738585072016e208
|
|
-1.5
|
|
-1
|
|
-2.2250738585072014e-208
|
|
0
|
|
1.5
|
|
1234.567
|
|
2.2250738585072016e208
|
|
select * from t2 where a=1234.567;
|
|
a
|
|
1234.567
|
|
delete from t2 where a=1234.567;
|
|
select * from t2;
|
|
a
|
|
-2.2250738585072016e208
|
|
-1.5
|
|
-1
|
|
-2.2250738585072014e-208
|
|
0
|
|
1.5
|
|
2.2250738585072016e208
|
|
delete from t2;
|
|
1024*3 inserts;
|
|
select count(*) from t2;
|
|
count(*)
|
|
3072
|
|
drop table t2;
|