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[CP] force allocate exchange for first pdml operator

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This commit is contained in:
obdev
2023-11-16 04:40:35 +00:00
committed by ob-robot
parent aa6c3e121a
commit 58c026ace0
2 changed files with 184 additions and 147 deletions
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16
src/sql/optimizer/ob_del_upd_log_plan.cpp
View File

@ -994,16 +994,10 @@ int ObDelUpdLogPlan::create_pdml_delete_plan(ObLogicalOperator *&top,
IndexDMLInfo *index_dml_info)
{
int ret = OB_SUCCESS;
bool need_exchange = true;
if (OB_ISNULL(source_table_partition)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(source_table_partition), K(ret));
} else if (!is_index_maintenance &&
OB_FAIL(check_need_exchange_for_pdml_del_upd(top, exch_info,
source_table_partition->get_table_id(),
need_exchange))) {
LOG_WARN("failed to check whether pdml need exchange for del upd", K(ret));
} else if (need_exchange && OB_FAIL(allocate_exchange_as_top(top, exch_info))) {
} else if (OB_FAIL(allocate_exchange_as_top(top, exch_info))) {
LOG_WARN("failed to allocate exchange as top", K(ret));
} else if (OB_FAIL(allocate_pdml_delete_as_top(top,
is_index_maintenance,
@ -1496,16 +1490,10 @@ int ObDelUpdLogPlan::create_pdml_update_plan(ObLogicalOperator *&top,
IndexDMLInfo *index_dml_info)
{
int ret = OB_SUCCESS;
bool need_exchange = true;
if (OB_ISNULL(source_table_partition)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(source_table_partition), K(ret));
} else if (!is_index_maintenance &&
OB_FAIL(check_need_exchange_for_pdml_del_upd(top, exch_info,
source_table_partition->get_table_id(),
need_exchange))) {
LOG_WARN("failed to check pdml need exchange for del upd", K(ret));
} else if (OB_FAIL(need_exchange && allocate_exchange_as_top(top, exch_info))) {
} else if (OB_FAIL(allocate_exchange_as_top(top, exch_info))) {
LOG_WARN("failed to allocate exchange as top", K(ret));
} else if (OB_FAIL(allocate_pdml_update_as_top(top,
is_index_maintenance,

259
tools/deploy/mysql_test/test_suite/pdml/r/mysql/pdml_update_part_global_index.result
View File

@ -13,22 +13,25 @@ c1 c2 c3
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 |
---------------------------------------------------------------------------------------------
|0 |PX COORDINATOR | |1 |61 |
|1 |└─EXCHANGE OUT DISTR |:EX10003 |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 |
|4 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10002 |1 |47 |
|5 | └─MATERIAL | |1 |47 |
|6 | └─INDEX DELETE |t1(t1_idx1)|1 |47 |
|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 |
=====================================================================================
|8 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10001 |1 |35 |
|9 | └─MATERIAL | |1 |35 |
|10| └─UPDATE | |1 |35 |
|11| └─EXCHANGE IN DISTR | |1 |3 |
|12| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |1 |3 |
|13| └─PX BLOCK ITERATOR | |1 |3 |
|14| └─TABLE FULL SCAN |t1 |1 |3 |
=============================================================================================
Outputs & filters:
-------------------------------------
0 - output(nil), filter(nil), rowset=16
@ -46,11 +49,15 @@ Outputs & filters:
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)
9 - output([t1.c1], [t1.c2]), filter(nil), rowset=16
10 - 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
11 - output([t1.c1], [t1.c2], [PARTITION_ID], [t1.c3]), filter(nil), rowset=16
12 - output([t1.c1], [t1.c2], [PARTITION_ID], [t1.c3]), filter(nil), rowset=16
(#keys=1, [t1.c1]), dop=3
13 - output([t1.c1], [t1.c2], [t1.c3]), filter(nil), rowset=16
14 - output([t1.c1], [t1.c2], [t1.c3]), 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
@ -80,22 +87,25 @@ c2 c1
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 |
---------------------------------------------------------------------------------------------------
|0 |PX COORDINATOR | |1 |61 |
|1 |└─EXCHANGE OUT DISTR |:EX10003 |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 |
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10002 |1 |47 |
|5 | └─MATERIAL | |1 |47 |
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |47 |
|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 |
======================================================================================
|8 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |35 |
|9 | └─MATERIAL | |1 |35 |
|10| └─UPDATE | |1 |35 |
|11| └─EXCHANGE IN DISTR | |1 |3 |
|12| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |1 |3 |
|13| └─PX BLOCK ITERATOR | |1 |3 |
|14| └─TABLE FULL SCAN |pindex |1 |3 |
===================================================================================================
Outputs & filters:
-------------------------------------
0 - output(nil), filter(nil), rowset=16
@ -113,11 +123,15 @@ Outputs & filters:
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)
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
10 - 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
11 - output([pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
12 - output([pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
(#keys=1, [pindex.c1]), dop=3
13 - output([pindex.c1], [pindex.c2], [pindex.c3]), filter(nil), rowset=16
14 - output([pindex.c1], [pindex.c2], [pindex.c3]), 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
@ -150,22 +164,25 @@ 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 |
---------------------------------------------------------------------------------------------------
|0 |PX COORDINATOR | |1 |61 |
|1 |└─EXCHANGE OUT DISTR |:EX10003 |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 |
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10002 |1 |47 |
|5 | └─MATERIAL | |1 |47 |
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |47 |
|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 |
======================================================================================
|8 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |35 |
|9 | └─MATERIAL | |1 |35 |
|10| └─UPDATE | |1 |35 |
|11| └─EXCHANGE IN DISTR | |1 |3 |
|12| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |1 |3 |
|13| └─PX BLOCK ITERATOR | |1 |3 |
|14| └─TABLE FULL SCAN |pindex |1 |3 |
===================================================================================================
Outputs & filters:
-------------------------------------
0 - output(nil), filter(nil), rowset=16
@ -183,11 +200,15 @@ Outputs & filters:
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)
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
10 - 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
11 - output([pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
12 - output([pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
(#keys=1, [pindex.c1]), dop=3
13 - output([pindex.c1], [pindex.c2], [pindex.c3]), filter(nil), rowset=16
14 - output([pindex.c1], [pindex.c2], [pindex.c3]), 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
@ -218,22 +239,25 @@ c2 c1
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 |
---------------------------------------------------------------------------------------------------
|0 |PX COORDINATOR | |1 |61 |
|1 |└─EXCHANGE OUT DISTR |:EX10003 |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 |
|4 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10002 |1 |47 |
|5 | └─MATERIAL | |1 |47 |
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |47 |
|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 |
===========================================================================================
|8 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10001 |1 |35 |
|9 | └─MATERIAL | |1 |35 |
|10| └─UPDATE | |1 |35 |
|11| └─EXCHANGE IN DISTR | |1 |3 |
|12| └─EXCHANGE OUT DISTR (PKEY HASH)|:EX10000 |1 |3 |
|13| └─PX BLOCK ITERATOR | |1 |3 |
|14| └─TABLE FULL SCAN |pindex |1 |3 |
===================================================================================================
Outputs & filters:
-------------------------------------
0 - output(nil), filter(nil), rowset=16
@ -251,11 +275,15 @@ Outputs & filters:
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)
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
10 - 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
11 - output([pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
12 - output([pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
(#keys=1, [pindex.c1]), dop=3
13 - output([pindex.c1], [pindex.c2], [pindex.c3]), filter(nil), rowset=16
14 - output([pindex.c1], [pindex.c2], [pindex.c3]), 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
@ -275,22 +303,25 @@ c2 c1
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 |
-----------------------------------------------------------------------------------------------------
|0 |PX COORDINATOR | |1 |61 |
|1 |└─EXCHANGE OUT DISTR |:EX10003 |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 |
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10002 |1 |47 |
|5 | └─MATERIAL | |1 |47 |
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |47 |
|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 |
======================================================================================
|8 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |35 |
|9 | └─MATERIAL | |1 |35 |
|10| └─UPDATE | |1 |35 |
|11| └─EXCHANGE IN DISTR | |1 |3 |
|12| └─EXCHANGE OUT DISTR (PKEY RANDOM)|:EX10000 |1 |3 |
|13| └─PX BLOCK ITERATOR | |1 |3 |
|14| └─TABLE FULL SCAN |pindex |1 |3 |
=====================================================================================================
Outputs & filters:
-------------------------------------
0 - output(nil), filter(nil), rowset=16
@ -308,11 +339,15 @@ Outputs & filters:
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)
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
10 - 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
11 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
12 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
(#keys=1, [pindex.c1]), dop=3
13 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), filter(nil), rowset=16
14 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), 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
@ -345,22 +380,25 @@ 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 |
-----------------------------------------------------------------------------------------------------
|0 |PX COORDINATOR | |1 |61 |
|1 |└─EXCHANGE OUT DISTR |:EX10003 |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 |
|4 | └─EXCHANGE OUT DISTR (HASH) |:EX10002 |1 |47 |
|5 | └─MATERIAL | |1 |47 |
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |47 |
|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 |
======================================================================================
|8 | └─EXCHANGE OUT DISTR (HASH) |:EX10001 |1 |35 |
|9 | └─MATERIAL | |1 |35 |
|10| └─UPDATE | |1 |35 |
|11| └─EXCHANGE IN DISTR | |1 |3 |
|12| └─EXCHANGE OUT DISTR (PKEY RANDOM)|:EX10000 |1 |3 |
|13| └─PX BLOCK ITERATOR | |1 |3 |
|14| └─TABLE FULL SCAN |pindex |1 |3 |
=====================================================================================================
Outputs & filters:
-------------------------------------
0 - output(nil), filter(nil), rowset=16
@ -378,11 +416,15 @@ Outputs & filters:
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)
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
10 - 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
11 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
12 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
(#keys=1, [pindex.c1]), dop=3
13 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), filter(nil), rowset=16
14 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), 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
@ -413,22 +455,25 @@ c2 c1
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 |
-----------------------------------------------------------------------------------------------------
|0 |PX COORDINATOR | |1 |61 |
|1 |└─EXCHANGE OUT DISTR |:EX10003 |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 |
|4 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10002 |1 |47 |
|5 | └─MATERIAL | |1 |47 |
|6 | └─INDEX DELETE |pindex(pindex_i2)|1 |47 |
|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 |
===========================================================================================
|8 | └─EXCHANGE OUT DISTR (PKEY HASH) |:EX10001 |1 |35 |
|9 | └─MATERIAL | |1 |35 |
|10| └─UPDATE | |1 |35 |
|11| └─EXCHANGE IN DISTR | |1 |3 |
|12| └─EXCHANGE OUT DISTR (PKEY RANDOM)|:EX10000 |1 |3 |
|13| └─PX BLOCK ITERATOR | |1 |3 |
|14| └─TABLE FULL SCAN |pindex |1 |3 |
=====================================================================================================
Outputs & filters:
-------------------------------------
0 - output(nil), filter(nil), rowset=16
@ -446,11 +491,15 @@ Outputs & filters:
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)
9 - output([column_conv(INT,PS:(11,0),NULL,pindex.c3)], [pindex.__pk_increment], [pindex.c1], [pindex.c2]), filter(nil), rowset=16
10 - 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
11 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
12 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [PARTITION_ID], [pindex.c3]), filter(nil), rowset=16
(#keys=1, [pindex.c1]), dop=3
13 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), filter(nil), rowset=16
14 - output([pindex.__pk_increment], [pindex.c1], [pindex.c2], [pindex.c3]), 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