mark some file to been opensource for ce-farm
This commit is contained in:
niyuhang
@ -0,0 +1,889 @@
|
||||
alter system set_tp tp_no = 217, error_code = 1234, frequency = 1;
|
||||
=>> init env
|
||||
drop table t_target;
|
||||
create table t_target(c1 int primary key, c2 int) partition by hash(c1) partitions 5;
|
||||
drop table t_data;
|
||||
=>> 1. 无全局索引情况
|
||||
=>> 1a. 相同分区形式
|
||||
create table t_data(c1 int primary key, c2 int) partition by hash(c1) partitions 5;
|
||||
insert into t_data values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
Query Plan
|
||||
===============================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
---------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10001 |
|
||||
|3 | └─INSERT | |
|
||||
|4 | └─OPTIMIZER STATS GATHER | |
|
||||
|5 | └─EXCHANGE IN DISTR | |
|
||||
|6 | └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|7 | └─SUBPLAN SCAN |ANONYMOUS_VIEW1|
|
||||
|8 | └─PX BLOCK ITERATOR | |
|
||||
|9 | └─TABLE FULL SCAN |t_data |
|
||||
===============================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
7 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2])
|
||||
8 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
9 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2]), partitions(p[0-4])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c1]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
select * from t_target;
|
||||
c1 c2
|
||||
1 1
|
||||
2 2
|
||||
3 3
|
||||
4 4
|
||||
5 5
|
||||
delete from t_target;
|
||||
drop table t_data;
|
||||
=>> 1b. 分区数量不同
|
||||
create table t_data(c1 int primary key, c2 int) partition by hash(c1) partitions 3;
|
||||
insert into t_data values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
Query Plan
|
||||
===============================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
---------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10001 |
|
||||
|3 | └─INSERT | |
|
||||
|4 | └─OPTIMIZER STATS GATHER | |
|
||||
|5 | └─EXCHANGE IN DISTR | |
|
||||
|6 | └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|7 | └─SUBPLAN SCAN |ANONYMOUS_VIEW1|
|
||||
|8 | └─PX BLOCK ITERATOR | |
|
||||
|9 | └─TABLE FULL SCAN |t_data |
|
||||
===============================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
7 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2])
|
||||
8 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
9 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2]), partitions(p[0-2])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c1]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
select * from t_target;
|
||||
c1 c2
|
||||
1 1
|
||||
2 2
|
||||
3 3
|
||||
4 4
|
||||
5 5
|
||||
delete from t_target;
|
||||
drop table t_data;
|
||||
=>> 1c. 分区列不同
|
||||
create table t_data(c1 int, c2 int primary key) partition by hash(c2) partitions 5;
|
||||
insert into t_data values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
Query Plan
|
||||
===============================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
---------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10001 |
|
||||
|3 | └─INSERT | |
|
||||
|4 | └─OPTIMIZER STATS GATHER | |
|
||||
|5 | └─EXCHANGE IN DISTR | |
|
||||
|6 | └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|7 | └─SUBPLAN SCAN |ANONYMOUS_VIEW1|
|
||||
|8 | └─PX BLOCK ITERATOR | |
|
||||
|9 | └─TABLE FULL SCAN |t_data |
|
||||
===============================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
7 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2])
|
||||
8 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
9 - output([t_data.c2], [t_data.c1]), filter(nil), rowset=16
|
||||
access([t_data.c2], [t_data.c1]), partitions(p[0-4])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c2]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
select * from t_target;
|
||||
c1 c2
|
||||
1 1
|
||||
2 2
|
||||
3 3
|
||||
4 4
|
||||
5 5
|
||||
delete from t_target;
|
||||
drop table t_data;
|
||||
=>> 1d. 源数据表是非分区表
|
||||
create table t_data(c1 int, c2 int);
|
||||
insert into t_data values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
Query Plan
|
||||
===============================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
---------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10001 |
|
||||
|3 | └─INSERT | |
|
||||
|4 | └─OPTIMIZER STATS GATHER | |
|
||||
|5 | └─EXCHANGE IN DISTR | |
|
||||
|6 | └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|7 | └─SUBPLAN SCAN |ANONYMOUS_VIEW1|
|
||||
|8 | └─PX BLOCK ITERATOR | |
|
||||
|9 | └─TABLE FULL SCAN |t_data |
|
||||
===============================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
7 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2])
|
||||
8 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
9 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.__pk_increment]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
select * from t_target;
|
||||
c1 c2
|
||||
1 1
|
||||
2 2
|
||||
3 3
|
||||
4 4
|
||||
5 5
|
||||
delete from t_target;
|
||||
drop table t_data;
|
||||
drop table t_target;
|
||||
=>> 1e. 目标表是非分区表
|
||||
create table t_target(c1 int primary key, c2 int);
|
||||
create table t_data(c1 int, c2 int);
|
||||
insert into t_data values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
Query Plan
|
||||
==========================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
----------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10001 |
|
||||
|3 | └─INSERT | |
|
||||
|4 | └─OPTIMIZER STATS GATHER | |
|
||||
|5 | └─EXCHANGE IN DISTR | |
|
||||
|6 | └─EXCHANGE OUT DISTR (HASH)|:EX10000 |
|
||||
|7 | └─SUBPLAN SCAN |ANONYMOUS_VIEW1|
|
||||
|8 | └─PX BLOCK ITERATOR | |
|
||||
|9 | └─TABLE FULL SCAN |t_data |
|
||||
==========================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
7 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2])
|
||||
8 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
9 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.__pk_increment]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
drop table t_data;
|
||||
drop table t_target;
|
||||
=>> 1f. 有生成列的情况
|
||||
create table t_target(c1 int primary key, c2 int, c3 int generated always as (c1 + 1));
|
||||
create table t_data(c1 int, c2 int);
|
||||
insert into t_data values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2) select * from t_data;
|
||||
Query Plan
|
||||
==========================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
----------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10001 |
|
||||
|3 | └─INSERT | |
|
||||
|4 | └─OPTIMIZER STATS GATHER | |
|
||||
|5 | └─EXCHANGE IN DISTR | |
|
||||
|6 | └─EXCHANGE OUT DISTR (HASH)|:EX10000 |
|
||||
|7 | └─SUBPLAN SCAN |ANONYMOUS_VIEW1|
|
||||
|8 | └─PX BLOCK ITERATOR | |
|
||||
|9 | └─TABLE FULL SCAN |t_data |
|
||||
==========================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2, t_target.c3)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,
|
||||
0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1, 0))))])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
7 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2])
|
||||
8 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
9 - output([t_data.c1], [t_data.c2]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2]), partitions(p0)
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.__pk_increment]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2) select * from t_data;
|
||||
drop table t_data;
|
||||
drop table t_target;
|
||||
=>> 2. 包含全局索引情况
|
||||
=>> 2a. 普通全局索引
|
||||
create table t_data(c1 int primary key, c2 int, c3 int) partition by hash(c1) partitions 5;
|
||||
insert into t_data values(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4), (5, 5, 5);
|
||||
create table t_target(c1 int primary key, c2 int, c3 int) partition by hash(c1) partitions 5;
|
||||
create index gindex1 on t_target(c2, c3) partition by hash(c2) partitions 5;
|
||||
create index gindex2 on t_target(c1, c3) partition by hash(c3) partitions 2;
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
Query Plan
|
||||
=================================================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
---------------------------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10003 |
|
||||
|3 | └─INDEX INSERT |t_target(gindex2)|
|
||||
|4 | └─EXCHANGE IN DISTR | |
|
||||
|5 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10002 |
|
||||
|6 | └─MATERIAL | |
|
||||
|7 | └─INDEX INSERT |t_target(gindex1)|
|
||||
|8 | └─EXCHANGE IN DISTR | |
|
||||
|9 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10001 |
|
||||
|10| └─MATERIAL | |
|
||||
|11| └─INSERT | |
|
||||
|12| └─OPTIMIZER STATS GATHER | |
|
||||
|13| └─EXCHANGE IN DISTR | |
|
||||
|14| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|15| └─SUBPLAN SCAN |ANONYMOUS_VIEW1 |
|
||||
|16| └─PX BLOCK ITERATOR | |
|
||||
|17| └─TABLE FULL SCAN |t_data |
|
||||
=================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)]), filter(nil)
|
||||
columns([{t_target: ({gindex2: (t_target.c1, t_target.c3)})}]), partitions(p[0-1]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c3)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c3)]), dop=2
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)]), filter(nil), rowset=16
|
||||
7 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)]), filter(nil)
|
||||
columns([{t_target: ({gindex1: (t_target.c2, t_target.c3, t_target.c1)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,
|
||||
0),NOT NULL,ANONYMOUS_VIEW1.c1)])
|
||||
8 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
9 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), dop=2
|
||||
10 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)]), filter(nil), rowset=16
|
||||
11 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2, t_target.c3)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,
|
||||
0),NULL,ANONYMOUS_VIEW1.c3)])
|
||||
12 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [PARTITION_ID]), filter(nil), rowset=16
|
||||
13 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
14 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
15 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3])
|
||||
16 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
17 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2], [t_data.c3]), partitions(p[0-4])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c1]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target select * from t_data;
|
||||
select /*+index(t_target primary)*/ * from t_target;
|
||||
c1 c2 c3
|
||||
1 1 1
|
||||
2 2 2
|
||||
3 3 3
|
||||
4 4 4
|
||||
5 5 5
|
||||
select /*+index(t_target gindex1)*/ c2, c3 from t_target;
|
||||
c2 c3
|
||||
1 1
|
||||
2 2
|
||||
3 3
|
||||
4 4
|
||||
5 5
|
||||
select /*+index(t_target gindex2)*/ c1, c3 from t_target;
|
||||
c1 c3
|
||||
1 1
|
||||
2 2
|
||||
3 3
|
||||
4 4
|
||||
5 5
|
||||
drop table t_target;
|
||||
drop table t_data;
|
||||
=>> 2b. 普通全局索引含有生成列的情况
|
||||
create table t_data(c1 int primary key, c2 int, c3 int) partition by hash(c1) partitions 5;
|
||||
insert into t_data values(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4), (5, 5, 5);
|
||||
create table t_target(c1 int primary key, c2 int, c3 int, c4 int generated always as (c1 + 1)) partition by hash(c1) partitions 5;
|
||||
create index gindex1 on t_target(c2, c4) partition by hash(c2) partitions 5;
|
||||
create index gindex2 on t_target(c1, c4) partition by hash(c4) partitions 2;
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2, c3) select * from t_data;
|
||||
Query Plan
|
||||
=================================================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
---------------------------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10003 |
|
||||
|3 | └─INDEX INSERT |t_target(gindex2)|
|
||||
|4 | └─EXCHANGE IN DISTR | |
|
||||
|5 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10002 |
|
||||
|6 | └─MATERIAL | |
|
||||
|7 | └─INDEX INSERT |t_target(gindex1)|
|
||||
|8 | └─EXCHANGE IN DISTR | |
|
||||
|9 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10001 |
|
||||
|10| └─MATERIAL | |
|
||||
|11| └─INSERT | |
|
||||
|12| └─OPTIMIZER STATS GATHER | |
|
||||
|13| └─EXCHANGE IN DISTR | |
|
||||
|14| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|15| └─SUBPLAN SCAN |ANONYMOUS_VIEW1 |
|
||||
|16| └─PX BLOCK ITERATOR | |
|
||||
|17| └─TABLE FULL SCAN |t_data |
|
||||
=================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({gindex2: (t_target.c1, t_target.c4)})}]), partitions(p[0-1]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,
|
||||
PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1, 0))))])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1,
|
||||
0))))]), dop=2
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
7 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({gindex1: (t_target.c2, t_target.c4, t_target.c1)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,
|
||||
PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1, 0))))], [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)])
|
||||
8 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
9 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), dop=2
|
||||
10 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
11 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2, t_target.c3, t_target.c4)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,
|
||||
0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)
|
||||
+ 1, INT(-1, 0))))])
|
||||
12 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
13 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
14 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
15 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3])
|
||||
16 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
17 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2], [t_data.c3]), partitions(p[0-4])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c1]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2, c3) select * from t_data;
|
||||
select /*+index(t_target primary)*/ * from t_target;
|
||||
c1 c2 c3 c4
|
||||
1 1 1 2
|
||||
2 2 2 3
|
||||
3 3 3 4
|
||||
4 4 4 5
|
||||
5 5 5 6
|
||||
select /*+index(t_target gindex1)*/ c2, c4 from t_target;
|
||||
c2 c4
|
||||
1 2
|
||||
2 3
|
||||
3 4
|
||||
4 5
|
||||
5 6
|
||||
select /*+index(t_target gindex2)*/ c1, c4 from t_target;
|
||||
c1 c4
|
||||
1 2
|
||||
2 3
|
||||
3 4
|
||||
4 5
|
||||
5 6
|
||||
drop table t_target;
|
||||
drop table t_data;
|
||||
=>> 2c. unique全局索引以及含有生成列情况
|
||||
create table t_data(c1 int primary key, c2 int, c3 int) partition by hash(c1) partitions 5;
|
||||
insert into t_data values(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4), (5, 5, 5);
|
||||
create table t_target(c1 int primary key, c2 int, c3 int, c4 int generated always as (c1 + 1)) partition by hash(c1) partitions 5;
|
||||
create unique index ugindex1 on t_target(c2) global;
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2, c3) select * from t_data;
|
||||
Query Plan
|
||||
==========================================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
--------------------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10002 |
|
||||
|3 | └─INDEX INSERT |t_target(ugindex1)|
|
||||
|4 | └─EXCHANGE IN DISTR | |
|
||||
|5 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |
|
||||
|6 | └─MATERIAL | |
|
||||
|7 | └─INSERT | |
|
||||
|8 | └─OPTIMIZER STATS GATHER | |
|
||||
|9 | └─EXCHANGE IN DISTR | |
|
||||
|10| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|11| └─SUBPLAN SCAN |ANONYMOUS_VIEW1 |
|
||||
|12| └─PX BLOCK ITERATOR | |
|
||||
|13| └─TABLE FULL SCAN |t_data |
|
||||
==========================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({ugindex1: (t_target.c2, t_target.c1)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), dop=2
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
7 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2, t_target.c3, t_target.c4)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,
|
||||
0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)
|
||||
+ 1, INT(-1, 0))))])
|
||||
8 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
9 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
10 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
11 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3])
|
||||
12 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
13 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2], [t_data.c3]), partitions(p[0-4])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c1]), range(MIN ; MAX)always true
|
||||
create unique index ugindex2 on t_target(c3) global partition by hash(c3) partitions 3;
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2, c3) select * from t_data;
|
||||
Query Plan
|
||||
==================================================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
----------------------------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10003 |
|
||||
|3 | └─INDEX INSERT |t_target(ugindex2)|
|
||||
|4 | └─EXCHANGE IN DISTR | |
|
||||
|5 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10002 |
|
||||
|6 | └─MATERIAL | |
|
||||
|7 | └─INDEX INSERT |t_target(ugindex1)|
|
||||
|8 | └─EXCHANGE IN DISTR | |
|
||||
|9 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |
|
||||
|10| └─MATERIAL | |
|
||||
|11| └─INSERT | |
|
||||
|12| └─OPTIMIZER STATS GATHER | |
|
||||
|13| └─EXCHANGE IN DISTR | |
|
||||
|14| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|15| └─SUBPLAN SCAN |ANONYMOUS_VIEW1 |
|
||||
|16| └─PX BLOCK ITERATOR | |
|
||||
|17| └─TABLE FULL SCAN |t_data |
|
||||
==================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({ugindex2: (t_target.c3, t_target.c1)})}]), partitions(p[0-2]),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c3)]), dop=2
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
7 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({ugindex1: (t_target.c2, t_target.c1)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)])
|
||||
8 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
9 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), dop=2
|
||||
10 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
11 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2, t_target.c3, t_target.c4)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,
|
||||
0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)
|
||||
+ 1, INT(-1, 0))))])
|
||||
12 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
13 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
14 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
15 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3])
|
||||
16 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
17 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2], [t_data.c3]), partitions(p[0-4])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c1]), range(MIN ; MAX)always true
|
||||
create unique index ugindex3 on t_target(c2, c3, c4) global partition by hash(c4) partitions 3;
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2, c3) select * from t_data;
|
||||
Query Plan
|
||||
==========================================================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
------------------------------------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10004 |
|
||||
|3 | └─INDEX INSERT |t_target(ugindex3)|
|
||||
|4 | └─EXCHANGE IN DISTR | |
|
||||
|5 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10003 |
|
||||
|6 | └─MATERIAL | |
|
||||
|7 | └─INDEX INSERT |t_target(ugindex2)|
|
||||
|8 | └─EXCHANGE IN DISTR | |
|
||||
|9 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10002 |
|
||||
|10| └─MATERIAL | |
|
||||
|11| └─INDEX INSERT |t_target(ugindex1)|
|
||||
|12| └─EXCHANGE IN DISTR | |
|
||||
|13| └─EXCHANGE OUT DISTR (HASH) |:EX10001 |
|
||||
|14| └─MATERIAL | |
|
||||
|15| └─INSERT | |
|
||||
|16| └─OPTIMIZER STATS GATHER | |
|
||||
|17| └─EXCHANGE IN DISTR | |
|
||||
|18| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|19| └─SUBPLAN SCAN |ANONYMOUS_VIEW1 |
|
||||
|20| └─PX BLOCK ITERATOR | |
|
||||
|21| └─TABLE FULL SCAN |t_data |
|
||||
==========================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({ugindex3: (t_target.c2, t_target.c3, t_target.c4, t_target.c1)})}]), partitions(p[0-2]),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,
|
||||
0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1, 0))))], [column_conv(INT,PS:(11,0),NOT NULL,
|
||||
ANONYMOUS_VIEW1.c1)])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) + 1, INT(-1,
|
||||
0))))]), dop=2
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
7 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({ugindex2: (t_target.c3, t_target.c1)})}]), partitions(p[0-2]),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)])
|
||||
8 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
9 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c3)]), dop=2
|
||||
10 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
11 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({ugindex1: (t_target.c2, t_target.c1)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)])
|
||||
12 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
13 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)]), dop=2
|
||||
14 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
15 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2, t_target.c3, t_target.c4)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,
|
||||
0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)
|
||||
+ 1, INT(-1, 0))))])
|
||||
16 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
17 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
18 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
19 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3])
|
||||
20 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
21 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2], [t_data.c3]), partitions(p[0-4])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c1]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2, c3) select * from t_data;
|
||||
select /*+index(t_target primary)*/ * from t_target;
|
||||
c1 c2 c3 c4
|
||||
1 1 1 2
|
||||
2 2 2 3
|
||||
3 3 3 4
|
||||
4 4 4 5
|
||||
5 5 5 6
|
||||
select /*+index(t_target ugindex1)*/ c2 from t_target;
|
||||
c2
|
||||
1
|
||||
2
|
||||
3
|
||||
4
|
||||
5
|
||||
select /*+index(t_target ugindex2)*/ c3 from t_target;
|
||||
c3
|
||||
1
|
||||
2
|
||||
3
|
||||
4
|
||||
5
|
||||
select /*+index(t_target ugindex3)*/ c2, c3, c4 from t_target;
|
||||
c2 c3 c4
|
||||
1 1 2
|
||||
2 2 3
|
||||
3 3 4
|
||||
4 4 5
|
||||
5 5 6
|
||||
drop table t_target;
|
||||
drop table t_data;
|
||||
=>> 2d. unique全局索引包含null的情况
|
||||
create table t_data(c1 int primary key, c2 int, c3 int) partition by hash(c1) partitions 5;
|
||||
create table t_target(c1 int primary key, c2 int, c3 int, c4 int generated always as (c1 + 1)) partition by hash(c1) partitions 5;
|
||||
insert into t_data values(1, null, 1), (2, 2, null), (3, null, null), (4, 4, null), (5, null, 5);
|
||||
explain basic insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2, c3) select * from t_data;
|
||||
Query Plan
|
||||
===============================================================
|
||||
|ID|OPERATOR |NAME |
|
||||
---------------------------------------------------------------
|
||||
|0 |OPTIMIZER STATS MERGE | |
|
||||
|1 |└─PX COORDINATOR | |
|
||||
|2 | └─EXCHANGE OUT DISTR |:EX10001 |
|
||||
|3 | └─INSERT | |
|
||||
|4 | └─OPTIMIZER STATS GATHER | |
|
||||
|5 | └─EXCHANGE IN DISTR | |
|
||||
|6 | └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |
|
||||
|7 | └─SUBPLAN SCAN |ANONYMOUS_VIEW1|
|
||||
|8 | └─PX BLOCK ITERATOR | |
|
||||
|9 | └─TABLE FULL SCAN |t_data |
|
||||
===============================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
2 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil), rowset=16
|
||||
dop=2
|
||||
3 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))]), filter(nil)
|
||||
columns([{t_target: ({t_target: (t_target.c1, t_target.c2, t_target.c3, t_target.c4)})}]), partitions(p[0-4]),
|
||||
column_values([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,
|
||||
0),NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)
|
||||
+ 1, INT(-1, 0))))])
|
||||
4 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [column_conv(INT,PS:(11,0),NULL,ANONYMOUS_VIEW1.c2)], [column_conv(INT,PS:(11,0),
|
||||
NULL,ANONYMOUS_VIEW1.c3)], [column_conv(INT,PS:(11,0),NULL,column_conv(INT,PS:(11,0),NULL,cast(column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1) +
|
||||
1, INT(-1, 0))))], [PARTITION_ID]), filter(nil), rowset=16
|
||||
5 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)], [PARTITION_ID], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NOT NULL,ANONYMOUS_VIEW1.c1)]), dop=2
|
||||
7 - output([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3]), filter(nil), rowset=16
|
||||
access([ANONYMOUS_VIEW1.c1], [ANONYMOUS_VIEW1.c2], [ANONYMOUS_VIEW1.c3])
|
||||
8 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
9 - output([t_data.c1], [t_data.c2], [t_data.c3]), filter(nil), rowset=16
|
||||
access([t_data.c1], [t_data.c2], [t_data.c3]), partitions(p[0-4])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t_data.c1]), range(MIN ; MAX)always true
|
||||
insert /*+enable_parallel_dml parallel(2) */ into t_target(c1, c2, c3) select * from t_data;
|
||||
select * from t_target order by c1;
|
||||
c1 c2 c3 c4
|
||||
1 NULL 1 2
|
||||
2 2 NULL 3
|
||||
3 NULL NULL 4
|
||||
4 4 NULL 5
|
||||
5 NULL 5 6
|
||||
select /*+index (t_target ugindex1)*/ c2, c1 from t_target order by c2, c1;
|
||||
c2 c1
|
||||
NULL 1
|
||||
NULL 3
|
||||
NULL 5
|
||||
2 2
|
||||
4 4
|
||||
select /*+index (t_target ugindex2)*/ c3, c1 from t_target order by c3, c1;
|
||||
c3 c1
|
||||
NULL 2
|
||||
NULL 3
|
||||
NULL 4
|
||||
1 1
|
||||
5 5
|
||||
select /*+index (t_target ugindex3)*/ c2, c3, c4 from t_target order by c2, c1;
|
||||
c2 c3 c4
|
||||
NULL 1 2
|
||||
NULL NULL 4
|
||||
NULL 5 6
|
||||
2 NULL 3
|
||||
4 NULL 5
|
||||
drop table t_target;
|
||||
drop table t_data;
|
||||
alter system set_tp tp_no = 217, error_code = 1234, frequency = 0;
|
||||
@ -0,0 +1,534 @@
|
||||
alter system set_tp tp_no = 217, error_code = 1234, frequency = 1;
|
||||
drop table if exists t1;
|
||||
create table t1 (c1 int primary key, c2 int, c3 int) partition by hash(c1) partitions 3;
|
||||
create index t1_idx1 on t1 (c2) partition by hash(c2) partitions 4;
|
||||
insert into t1 values (1,1,1), (2,2,2), (3,3,3), (4,4,4), (5,5,5), (6,6,6);
|
||||
select * from t1;
|
||||
c1 c2 c3
|
||||
1 1 1
|
||||
2 2 2
|
||||
3 3 3
|
||||
4 4 4
|
||||
5 5 5
|
||||
6 6 6
|
||||
explain update /*+ parallel(3) enable_parallel_dml */ t1 set c2 = 3;
|
||||
Query Plan
|
||||
=====================================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |60 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002 |1 |60 |
|
||||
|2 | └─INDEX INSERT |t1(t1_idx1)|1 |60 |
|
||||
|3 | └─EXCHANGE IN DISTR | |1 |47 |
|
||||
|4 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10001 |1 |47 |
|
||||
|5 | └─MATERIAL | |1 |46 |
|
||||
|6 | └─INDEX DELETE |t1(t1_idx1)|1 |46 |
|
||||
|7 | └─EXCHANGE IN DISTR | |1 |35 |
|
||||
|8 | └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |1 |35 |
|
||||
|9 | └─UPDATE | |1 |34 |
|
||||
|10| └─PX BLOCK ITERATOR | |1 |3 |
|
||||
|11| └─TABLE FULL SCAN |t1 |1 |3 |
|
||||
=====================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output(nil), filter(nil), rowset=16
|
||||
dop=3
|
||||
2 - output(nil), filter(nil)
|
||||
columns([{t1: ({t1_idx1: (t1.c2, t1.c1)})}]), partitions(p[0-3]),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,cast(3, INT(-1, 0)))], [t1.c1])
|
||||
3 - output([PARTITION_ID], [t1.c1]), filter(nil), rowset=16
|
||||
4 - output([PARTITION_ID], [t1.c1]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,cast(3, INT(-1, 0)))]), dop=3
|
||||
5 - output([t1.c1]), filter(nil), rowset=16
|
||||
6 - output([t1.c1]), filter(nil)
|
||||
table_columns([{t1: ({t1_idx1: (t1.c2, t1.c1)})}]), with_barrier
|
||||
7 - output([t1.c1], [PARTITION_ID], [t1.c2]), filter(nil), rowset=16
|
||||
8 - output([t1.c1], [PARTITION_ID], [t1.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [t1.c2]), dop=3
|
||||
9 - output([t1.c1], [t1.c2]), filter(nil)
|
||||
table_columns([{t1: ({t1: (t1.c1, t1.c2, t1.c3)})}]),
|
||||
update([t1.c2=column_conv(INT,PS:(11,0),NULL,cast(3, INT(-1, 0)))])
|
||||
10 - output([t1.c1], [t1.c2], [t1.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
11 - output([t1.c1], [t1.c2], [t1.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
access([t1.c1], [t1.c2], [t1.c3]), partitions(p[0-2])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([t1.c1]), range(MIN ; MAX)always true
|
||||
update /*+ parallel(3) enable_parallel_dml */ t1 set c2 = 3;
|
||||
select * from t1;
|
||||
c1 c2 c3
|
||||
1 3 1
|
||||
2 3 2
|
||||
3 3 3
|
||||
4 3 4
|
||||
5 3 5
|
||||
6 3 6
|
||||
drop table t1;
|
||||
drop table if exists pindex;
|
||||
create table pindex (c1 int primary key, c2 int, c3 int) partition by hash(c1) partitions 3;
|
||||
create unique index pindex_i2 on pindex(c2) global;
|
||||
insert into pindex values (1,2,3),(2,4,5),(3,6,7);
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 2 3
|
||||
2 4 5
|
||||
3 6 7
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
2 1
|
||||
4 2
|
||||
6 3
|
||||
explain update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
Query Plan
|
||||
======================================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |60 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002 |1 |60 |
|
||||
|2 | └─INDEX INSERT |pindex(pindex_i2)|1 |60 |
|
||||
|3 | └─EXCHANGE IN DISTR | |1 |47 |
|
||||
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |47 |
|
||||
|5 | └─MATERIAL | |1 |46 |
|
||||
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |46 |
|
||||
|7 | └─EXCHANGE IN DISTR | |1 |35 |
|
||||
|8 | └─EXCHANGE OUT DISTR (HASH)|:EX10000 |1 |35 |
|
||||
|9 | └─UPDATE | |1 |34 |
|
||||
|10| └─PX BLOCK ITERATOR | |1 |3 |
|
||||
|11| └─TABLE FULL SCAN |pindex |1 |3 |
|
||||
======================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output(nil), filter(nil), rowset=16
|
||||
dop=3
|
||||
2 - output(nil), filter(nil)
|
||||
columns([{pindex: ({pindex_i2: (pindex.c2, pindex.c1)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1])
|
||||
3 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
4 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,pindex.c3)]), dop=3
|
||||
5 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil)
|
||||
table_columns([{pindex: ({pindex_i2: (pindex.c2, pindex.c1)})}]), with_barrier
|
||||
7 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
|
||||
8 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [pindex.c2]), dop=3
|
||||
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil)
|
||||
table_columns([{pindex: ({pindex: (pindex.c1, pindex.c2, pindex.c3)})}]),
|
||||
update([pindex.c2=column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c3=column_conv(INT,PS:(11,0),NULL,cast(5, INT(-1, 0)))])
|
||||
10 - output([pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
11 - output([pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
access([pindex.c1], [pindex.c2], [pindex.c3]), partitions(p[0-2])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([pindex.c1]), range(MIN ; MAX)always true
|
||||
update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 3 5
|
||||
2 5 5
|
||||
3 7 5
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
3 1
|
||||
5 2
|
||||
7 3
|
||||
delete /*+ parallel(3) enable_parallel_dml */ from pindex;
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
insert into pindex values (1,null,3),(2,null,4),(3,null,5);
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 NULL 3
|
||||
2 NULL 4
|
||||
3 NULL 5
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
NULL 1
|
||||
NULL 2
|
||||
NULL 3
|
||||
explain update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
Query Plan
|
||||
======================================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |60 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002 |1 |60 |
|
||||
|2 | └─INDEX INSERT |pindex(pindex_i2)|1 |60 |
|
||||
|3 | └─EXCHANGE IN DISTR | |1 |47 |
|
||||
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |47 |
|
||||
|5 | └─MATERIAL | |1 |46 |
|
||||
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |46 |
|
||||
|7 | └─EXCHANGE IN DISTR | |1 |35 |
|
||||
|8 | └─EXCHANGE OUT DISTR (HASH)|:EX10000 |1 |35 |
|
||||
|9 | └─UPDATE | |1 |34 |
|
||||
|10| └─PX BLOCK ITERATOR | |1 |3 |
|
||||
|11| └─TABLE FULL SCAN |pindex |1 |3 |
|
||||
======================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output(nil), filter(nil), rowset=16
|
||||
dop=3
|
||||
2 - output(nil), filter(nil)
|
||||
columns([{pindex: ({pindex_i2: (pindex.c2, pindex.c1)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1])
|
||||
3 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
4 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,pindex.c3)]), dop=3
|
||||
5 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil)
|
||||
table_columns([{pindex: ({pindex_i2: (pindex.c2, pindex.c1)})}]), with_barrier
|
||||
7 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
|
||||
8 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [pindex.c2]), dop=3
|
||||
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil)
|
||||
table_columns([{pindex: ({pindex: (pindex.c1, pindex.c2, pindex.c3)})}]),
|
||||
update([pindex.c2=column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c3=column_conv(INT,PS:(11,0),NULL,cast(5, INT(-1, 0)))])
|
||||
10 - output([pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
11 - output([pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
access([pindex.c1], [pindex.c2], [pindex.c3]), partitions(p[0-2])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([pindex.c1]), range(MIN ; MAX)always true
|
||||
update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 3 5
|
||||
2 4 5
|
||||
3 5 5
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
3 1
|
||||
4 2
|
||||
5 3
|
||||
delete from pindex;
|
||||
drop index pindex_i2 on pindex;
|
||||
create unique index pindex_i2 on pindex(c2) partition by hash(c2) partitions 2;
|
||||
insert into pindex values (1,2,3),(2,4,5),(3,6,7);
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 2 3
|
||||
2 4 5
|
||||
3 6 7
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
2 1
|
||||
4 2
|
||||
6 3
|
||||
explain update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
Query Plan
|
||||
===========================================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |60 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002 |1 |60 |
|
||||
|2 | └─INDEX INSERT |pindex(pindex_i2)|1 |60 |
|
||||
|3 | └─EXCHANGE IN DISTR | |1 |47 |
|
||||
|4 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10001 |1 |47 |
|
||||
|5 | └─MATERIAL | |1 |46 |
|
||||
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |46 |
|
||||
|7 | └─EXCHANGE IN DISTR | |1 |35 |
|
||||
|8 | └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |1 |35 |
|
||||
|9 | └─UPDATE | |1 |34 |
|
||||
|10| └─PX BLOCK ITERATOR | |1 |3 |
|
||||
|11| └─TABLE FULL SCAN |pindex |1 |3 |
|
||||
===========================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output(nil), filter(nil), rowset=16
|
||||
dop=3
|
||||
2 - output(nil), filter(nil)
|
||||
columns([{pindex: ({pindex_i2: (pindex.c2, pindex.c1)})}]), partitions(p[0-1]),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1])
|
||||
3 - output([PARTITION_ID], [column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
4 - output([PARTITION_ID], [column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,pindex.c3)]), dop=3
|
||||
5 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1]), filter(nil)
|
||||
table_columns([{pindex: ({pindex_i2: (pindex.c2, pindex.c1)})}]), with_barrier
|
||||
7 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [PARTITION_ID], [pindex.c2]), filter(nil), rowset=16
|
||||
8 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [PARTITION_ID], [pindex.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [pindex.c2]), dop=3
|
||||
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil)
|
||||
table_columns([{pindex: ({pindex: (pindex.c1, pindex.c2, pindex.c3)})}]),
|
||||
update([pindex.c2=column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c3=column_conv(INT,PS:(11,0),NULL,cast(5, INT(-1, 0)))])
|
||||
10 - output([pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
11 - output([pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
access([pindex.c1], [pindex.c2], [pindex.c3]), partitions(p[0-2])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([pindex.c1]), range(MIN ; MAX)always true
|
||||
drop table pindex;
|
||||
create table pindex (c1 int, c2 int, c3 int) partition by hash(c1) partitions 3;
|
||||
create unique index pindex_i2 on pindex(c2) global;
|
||||
insert into pindex values (1,2,3),(2,4,5),(3,6,7);
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 2 3
|
||||
2 4 5
|
||||
3 6 7
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
2 1
|
||||
4 2
|
||||
6 3
|
||||
explain update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
Query Plan
|
||||
======================================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |60 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002 |1 |60 |
|
||||
|2 | └─INDEX INSERT |pindex(pindex_i2)|1 |60 |
|
||||
|3 | └─EXCHANGE IN DISTR | |1 |47 |
|
||||
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |47 |
|
||||
|5 | └─MATERIAL | |1 |46 |
|
||||
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |46 |
|
||||
|7 | └─EXCHANGE IN DISTR | |1 |35 |
|
||||
|8 | └─EXCHANGE OUT DISTR (HASH)|:EX10000 |1 |35 |
|
||||
|9 | └─UPDATE | |1 |34 |
|
||||
|10| └─PX BLOCK ITERATOR | |1 |3 |
|
||||
|11| └─TABLE FULL SCAN |pindex |1 |3 |
|
||||
======================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output(nil), filter(nil), rowset=16
|
||||
dop=3
|
||||
2 - output(nil), filter(nil)
|
||||
columns([{pindex: ({pindex_i2: (pindex.c2, pindex.__pk_increment, pindex.c1)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1])
|
||||
3 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
4 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,pindex.c3)]), dop=3
|
||||
5 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil)
|
||||
table_columns([{pindex: ({pindex_i2: (pindex.c2, pindex.__pk_increment, pindex.c1)})}]), with_barrier
|
||||
7 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
|
||||
8 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [pindex.c2]), dop=3
|
||||
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil)
|
||||
table_columns([{pindex: ({pindex: (pindex.__pk_increment, pindex.c1, pindex.c2, pindex.c3)})}]),
|
||||
update([pindex.c2=column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c3=column_conv(INT,PS:(11,0),NULL,cast(5, INT(-1, 0)))])
|
||||
10 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
11 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
access([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), partitions(p[0-2])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([pindex.__pk_increment]), range(MIN ; MAX)always true
|
||||
update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 3 5
|
||||
2 5 5
|
||||
3 7 5
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
3 1
|
||||
5 2
|
||||
7 3
|
||||
delete /*+ parallel(3) enable_parallel_dml */ from pindex;
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
insert into pindex values (1,null,3),(2,null,4),(3,null,5);
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 NULL 3
|
||||
2 NULL 4
|
||||
3 NULL 5
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
NULL 1
|
||||
NULL 2
|
||||
NULL 3
|
||||
explain update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
Query Plan
|
||||
======================================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
--------------------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |60 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002 |1 |60 |
|
||||
|2 | └─INDEX INSERT |pindex(pindex_i2)|1 |60 |
|
||||
|3 | └─EXCHANGE IN DISTR | |1 |47 |
|
||||
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |47 |
|
||||
|5 | └─MATERIAL | |1 |46 |
|
||||
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |46 |
|
||||
|7 | └─EXCHANGE IN DISTR | |1 |35 |
|
||||
|8 | └─EXCHANGE OUT DISTR (HASH)|:EX10000 |1 |35 |
|
||||
|9 | └─UPDATE | |1 |34 |
|
||||
|10| └─PX BLOCK ITERATOR | |1 |3 |
|
||||
|11| └─TABLE FULL SCAN |pindex |1 |3 |
|
||||
======================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output(nil), filter(nil), rowset=16
|
||||
dop=3
|
||||
2 - output(nil), filter(nil)
|
||||
columns([{pindex: ({pindex_i2: (pindex.c2, pindex.__pk_increment, pindex.c1)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1])
|
||||
3 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
4 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,pindex.c3)]), dop=3
|
||||
5 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil)
|
||||
table_columns([{pindex: ({pindex_i2: (pindex.c2, pindex.__pk_increment, pindex.c1)})}]), with_barrier
|
||||
7 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
|
||||
8 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [pindex.c2]), dop=3
|
||||
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil)
|
||||
table_columns([{pindex: ({pindex: (pindex.__pk_increment, pindex.c1, pindex.c2, pindex.c3)})}]),
|
||||
update([pindex.c2=column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c3=column_conv(INT,PS:(11,0),NULL,cast(5, INT(-1, 0)))])
|
||||
10 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
11 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
access([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), partitions(p[0-2])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([pindex.__pk_increment]), range(MIN ; MAX)always true
|
||||
update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 3 5
|
||||
2 4 5
|
||||
3 5 5
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
3 1
|
||||
4 2
|
||||
5 3
|
||||
delete from pindex;
|
||||
drop index pindex_i2 on pindex;
|
||||
create unique index pindex_i2 on pindex(c2) partition by hash(c2) partitions 2;
|
||||
insert into pindex values (1,2,3),(2,4,5),(3,6,7);
|
||||
select * from pindex order by c1;
|
||||
c1 c2 c3
|
||||
1 2 3
|
||||
2 4 5
|
||||
3 6 7
|
||||
select /*+index (pindex pindex_i2)*/ c2, c1 from pindex order by c2;
|
||||
c2 c1
|
||||
2 1
|
||||
4 2
|
||||
6 3
|
||||
explain update /*+ parallel(3) enable_parallel_dml */ pindex set c2 = c3, c3 = 5;
|
||||
Query Plan
|
||||
===========================================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
-------------------------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |60 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10002 |1 |60 |
|
||||
|2 | └─INDEX INSERT |pindex(pindex_i2)|1 |60 |
|
||||
|3 | └─EXCHANGE IN DISTR | |1 |47 |
|
||||
|4 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10001 |1 |47 |
|
||||
|5 | └─MATERIAL | |1 |46 |
|
||||
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |46 |
|
||||
|7 | └─EXCHANGE IN DISTR | |1 |35 |
|
||||
|8 | └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |1 |35 |
|
||||
|9 | └─UPDATE | |1 |34 |
|
||||
|10| └─PX BLOCK ITERATOR | |1 |3 |
|
||||
|11| └─TABLE FULL SCAN |pindex |1 |3 |
|
||||
===========================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output(nil), filter(nil), rowset=16
|
||||
dop=3
|
||||
2 - output(nil), filter(nil)
|
||||
columns([{pindex: ({pindex_i2: (pindex.c2, pindex.__pk_increment, pindex.c1)})}]), partitions(p[0-1]),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1])
|
||||
3 - output([PARTITION_ID], [column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
4 - output([PARTITION_ID], [column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,pindex.c3)]), dop=3
|
||||
5 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil), rowset=16
|
||||
6 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1]), filter(nil)
|
||||
table_columns([{pindex: ({pindex_i2: (pindex.c2, pindex.__pk_increment, pindex.c1)})}]), with_barrier
|
||||
7 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [PARTITION_ID], [pindex.c2]), filter(nil), rowset=16
|
||||
8 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [PARTITION_ID], [pindex.c2]), filter(nil), rowset=16
|
||||
(#keys=1, [pindex.c2]), dop=3
|
||||
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil)
|
||||
table_columns([{pindex: ({pindex: (pindex.__pk_increment, pindex.c1, pindex.c2, pindex.c3)})}]),
|
||||
update([pindex.c2=column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c3=column_conv(INT,PS:(11,0),NULL,cast(5, INT(-1, 0)))])
|
||||
10 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
11 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3], [PARTITION_ID]), filter(nil), rowset=16
|
||||
access([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), partitions(p[0-2])
|
||||
is_index_back=false, is_global_index=false,
|
||||
range_key([pindex.__pk_increment]), range(MIN ; MAX)always true
|
||||
drop table pindex;
|
||||
create table pindex(a int primary key, b int) partition by hash(a) partitions 2;
|
||||
create unique index idx_b on pindex(b) global;
|
||||
insert into pindex values(1, NULL);
|
||||
explain update /*+parallel(2), enable_parallel_dml*/ pindex set b=2;
|
||||
Query Plan
|
||||
===============================================================================================
|
||||
|ID|OPERATOR |NAME |EST.ROWS|EST.TIME(us)|
|
||||
-----------------------------------------------------------------------------------------------
|
||||
|0 |PX COORDINATOR | |1 |60 |
|
||||
|1 |└─EXCHANGE OUT DISTR |:EX10003 |1 |59 |
|
||||
|2 | └─INDEX INSERT |pindex(idx_b)|1 |59 |
|
||||
|3 | └─EXCHANGE IN DISTR | |1 |46 |
|
||||
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10002 |1 |46 |
|
||||
|5 | └─MATERIAL | |1 |46 |
|
||||
|6 | └─INDEX DELETE |pindex(idx_b)|1 |46 |
|
||||
|7 | └─EXCHANGE IN DISTR | |1 |34 |
|
||||
|8 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |34 |
|
||||
|9 | └─MATERIAL | |1 |34 |
|
||||
|10| └─UPDATE | |1 |34 |
|
||||
|11| └─EXCHANGE IN DISTR | |1 |2 |
|
||||
|12| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |1 |2 |
|
||||
|13| └─PX BLOCK ITERATOR | |1 |2 |
|
||||
|14| └─TABLE FULL SCAN |pindex(idx_b)|1 |2 |
|
||||
===============================================================================================
|
||||
Outputs & filters:
|
||||
-------------------------------------
|
||||
0 - output(nil), filter(nil), rowset=16
|
||||
1 - output(nil), filter(nil), rowset=16
|
||||
dop=2
|
||||
2 - output(nil), filter(nil)
|
||||
columns([{pindex: ({idx_b: (pindex.b, pindex.a)})}]), partitions(p0),
|
||||
column_values([column_conv(INT,PS:(11,0),NULL,cast(2, INT(-1, 0)))], [pindex.a])
|
||||
3 - output([pindex.a]), filter(nil), rowset=16
|
||||
4 - output([pindex.a]), filter(nil), rowset=16
|
||||
(#keys=1, [column_conv(INT,PS:(11,0),NULL,cast(2, INT(-1, 0)))]), dop=2
|
||||
5 - output([pindex.a]), filter(nil), rowset=16
|
||||
6 - output([pindex.a]), filter(nil)
|
||||
table_columns([{pindex: ({idx_b: (pindex.b, pindex.a)})}]), with_barrier
|
||||
7 - output([pindex.a], [pindex.b]), filter(nil), rowset=16
|
||||
8 - output([pindex.a], [pindex.b]), filter(nil), rowset=16
|
||||
(#keys=1, [pindex.b]), dop=2
|
||||
9 - output([pindex.a], [pindex.b]), filter(nil), rowset=16
|
||||
10 - output([pindex.a], [pindex.b]), filter(nil)
|
||||
table_columns([{pindex: ({pindex: (pindex.a, pindex.b)})}]),
|
||||
update([pindex.b=column_conv(INT,PS:(11,0),NULL,cast(2, INT(-1, 0)))])
|
||||
11 - output([pindex.a], [pindex.b], [PARTITION_ID]), filter(nil), rowset=16
|
||||
12 - output([pindex.a], [pindex.b], [PARTITION_ID]), filter(nil), rowset=16
|
||||
(#keys=1, [pindex.a]), dop=2
|
||||
13 - output([pindex.a], [pindex.b]), filter(nil), rowset=16
|
||||
14 - output([pindex.a], [pindex.b]), filter(nil), rowset=16
|
||||
access([pindex.a], [pindex.b]), partitions(p0)
|
||||
is_index_back=false, is_global_index=true,
|
||||
range_key([pindex.b], [pindex.shadow_pk_0]), range(MIN,MIN ; MAX,MAX)always true
|
||||
update /*+parallel(2), enable_parallel_dml*/ pindex set b=2;
|
||||
select /*+index(pindex primary)*/ * from pindex;
|
||||
a b
|
||||
1 2
|
||||
select /*+index(pindex b)*/ * from pindex;
|
||||
a b
|
||||
1 2
|
||||
insert into pindex values(2, 2);
|
||||
ERROR 23000: Duplicate entry '2' for key 'idx_b'
|
||||
drop table pindex;
|
||||
create table t1 (c1 int primary key, c2 int);
|
||||
create index ind_global on t1(c2) global partition by hash(c2) partitions 4;
|
||||
insert into t1 values (1,1),(2,2),(3,3),(4,4);
|
||||
set binlog_row_image=MINIMAL;
|
||||
update /*+enable_parallel_dml parallel(2)*/ t1 set c2 = 10;
|
||||
select * from t1;
|
||||
c1 c2
|
||||
1 10
|
||||
2 10
|
||||
3 10
|
||||
4 10
|
||||
set binlog_row_image=FULL;
|
||||
drop table t1;
|
||||
alter system set_tp tp_no = 217, error_code = 1234, frequency = 0;
|
||||
Reference in New Issue
Block a user