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MDEV-18478 ANALYZE for statement should show selectivity of ICP, part#1

Browse Source 
(Based on the original patch by Jason Cu)

Part #1:
- Add ha_handler_stats::{icp_attempts,icp_match}, make
  handler_index_cond_check() increment them.
- ANALYZE FORMAT=JSON now prints r_icp_filtered based on these counters.
This commit is contained in:
Sergei Petrunia
2023-12-11 16:06:59 +03:00
parent 3f9182126c
commit e87d1e391b
9 changed files with 556 additions and 1 deletions
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415
mysql-test/main/analyze_format_json.result
View File

@ -453,6 +453,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 50,
"index_condition": "t1.pk < 10",
@ -1291,3 +1292,417 @@ ANALYZE
}
set join_cache_level=@tmp;
drop table t10, t11;
#
# MDEV-18478: ANALYZE for statement should show selectivity of
# pushed index condition
#
create table t12 (a int, b varchar(10), c int, index(a,b), index(c));
create table t13 (a int not null primary key, b int, index(b));
insert into t12(a,b,c) values (1,"abc",100),
(2,"abd",200),(2,"bfd",300),(2,"efg",400),
(3,"abc",410),(3,"def",420),(3,"ghi",430),(3,"jkl",440),
(4,"abc",600),(4,"def",700),(4,"ghi",800),(4,"jkl",900);
insert into t13(a,b) values(1,1),(2,2),(3,3),(4,4),(5,5);
analyze table t12;
Table Op Msg_type Msg_text
test.t12 analyze status Engine-independent statistics collected
test.t12 analyze status OK
analyze table t13;
Table Op Msg_type Msg_text
test.t13 analyze status Engine-independent statistics collected
test.t13 analyze status OK
# eq key condition only, no pushed condition
analyze format=json select * from t12 where t12.a=2;
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t12",
"access_type": "ref",
"possible_keys": ["a"],
"key": "a",
"key_length": "5",
"used_key_parts": ["a"],
"ref": ["const"],
"loops": 1,
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"filtered": 100,
"r_filtered": 100
}
}
]
}
}
# pushed index condition
analyze format=json select * from t12 where t12.a=2 and t12.b like '%f%';
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t12",
"access_type": "ref",
"possible_keys": ["a"],
"key": "a",
"key_length": "5",
"used_key_parts": ["a"],
"ref": ["const"],
"loops": 1,
"r_loops": 1,
"rows": 3,
"r_rows": 2,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 66.66666667,
"filtered": 100,
"r_filtered": 100,
"index_condition": "t12.b like '%f%'"
}
}
]
}
}
# rowid filter only, no pushed condition
analyze format=json select * from t12 where t12.a=2 and t12.c
between 400 and 500;
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t12",
"access_type": "ref",
"possible_keys": ["a", "c"],
"key": "a",
"key_length": "5",
"used_key_parts": ["a"],
"ref": ["const"],
"rowid_filter": {
"range": {
"key": "c",
"used_key_parts": ["c"]
},
"rows": 5,
"selectivity_pct": 41.66666667,
"r_rows": 5,
"r_lookups": 3,
"r_selectivity_pct": 33.33333333,
"r_buffer_size": "REPLACED",
"r_filling_time_ms": "REPLACED"
},
"loops": 1,
"r_loops": 1,
"rows": 3,
"r_rows": 1,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"filtered": 41.66666794,
"r_filtered": 100,
"attached_condition": "t12.c between 400 and 500"
}
}
]
}
}
# pushed index condition and rowid filter
analyze format=json select * from t12 where t12.a=2 and t12.c
between 400 and 500 and t12.b like '%f%';
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t12",
"access_type": "ref",
"possible_keys": ["a", "c"],
"key": "a",
"key_length": "5",
"used_key_parts": ["a"],
"ref": ["const"],
"rowid_filter": {
"range": {
"key": "c",
"used_key_parts": ["c"]
},
"rows": 5,
"selectivity_pct": 41.66666667,
"r_rows": 5,
"r_lookups": 2,
"r_selectivity_pct": 50,
"r_buffer_size": "REPLACED",
"r_filling_time_ms": "REPLACED"
},
"loops": 1,
"r_loops": 1,
"rows": 3,
"r_rows": 1,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 66.66666667,
"filtered": 41.66666794,
"r_filtered": 100,
"index_condition": "t12.b like '%f%'",
"attached_condition": "t12.c between 400 and 500"
}
}
]
}
}
# pushed index condition on the inner table (t12) of a join
analyze format=json select * from t13,t12
where t13.a between 1 and 2 and t12.a=t13.a and t12.b like '%f%';
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t13",
"access_type": "range",
"possible_keys": ["PRIMARY"],
"key": "PRIMARY",
"key_length": "4",
"used_key_parts": ["a"],
"loops": 1,
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "t13.a between 1 and 2"
}
},
{
"table": {
"table_name": "t12",
"access_type": "ref",
"possible_keys": ["a"],
"key": "a",
"key_length": "5",
"used_key_parts": ["a"],
"ref": ["test.t13.a"],
"loops": 2,
"r_loops": 2,
"rows": 3,
"r_rows": 1,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 50,
"filtered": 100,
"r_filtered": 100,
"index_condition": "t12.b like '%f%'"
}
}
]
}
}
# rowid filter on inner table of a join, no ICP
analyze format=json select * from t13,t12 where t13.b between 1 and 2 and t12.a=t13.a and t12.c
between 400 and 450;
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t13",
"access_type": "range",
"possible_keys": ["PRIMARY", "b"],
"key": "b",
"key_length": "5",
"used_key_parts": ["b"],
"loops": 1,
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "t13.b between 1 and 2"
}
},
{
"table": {
"table_name": "t12",
"access_type": "ref",
"possible_keys": ["a", "c"],
"key": "a",
"key_length": "5",
"used_key_parts": ["a"],
"ref": ["test.t13.a"],
"rowid_filter": {
"range": {
"key": "c",
"used_key_parts": ["c"]
},
"rows": 5,
"selectivity_pct": 41.66666667,
"r_rows": 5,
"r_lookups": 4,
"r_selectivity_pct": 25,
"r_buffer_size": "REPLACED",
"r_filling_time_ms": "REPLACED"
},
"loops": 2,
"r_loops": 2,
"rows": 3,
"r_rows": 0.5,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"filtered": 41.66666794,
"r_filtered": 100,
"attached_condition": "t12.c between 400 and 450"
}
}
]
}
}
# rowid filter and ICP on inner table of a join
analyze format=json select * from t13,t12 where t13.b between 1 and 2 and t12.a=t13.a and t12.c
between 400 and 450 and t12.b like '%f%';
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t13",
"access_type": "range",
"possible_keys": ["PRIMARY", "b"],
"key": "b",
"key_length": "5",
"used_key_parts": ["b"],
"loops": 1,
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "t13.b between 1 and 2"
}
},
{
"table": {
"table_name": "t12",
"access_type": "ref",
"possible_keys": ["a", "c"],
"key": "a",
"key_length": "5",
"used_key_parts": ["a"],
"ref": ["test.t13.a"],
"rowid_filter": {
"range": {
"key": "c",
"used_key_parts": ["c"]
},
"rows": 5,
"selectivity_pct": 41.66666667,
"r_rows": 5,
"r_lookups": 2,
"r_selectivity_pct": 50,
"r_buffer_size": "REPLACED",
"r_filling_time_ms": "REPLACED"
},
"loops": 2,
"r_loops": 2,
"rows": 3,
"r_rows": 0.5,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 50,
"filtered": 41.66666794,
"r_filtered": 100,
"index_condition": "t12.b like '%f%'",
"attached_condition": "t12.c between 400 and 450"
}
}
]
}
}
drop table t12,t13;

76
mysql-test/main/analyze_format_json.test
View File

@ -269,4 +269,80 @@ where
set join_cache_level=@tmp;
drop table t10, t11;
--echo #
--echo # MDEV-18478: ANALYZE for statement should show selectivity of
--echo # pushed index condition
--echo #
create table t12 (a int, b varchar(10), c int, index(a,b), index(c));
create table t13 (a int not null primary key, b int, index(b));
insert into t12(a,b,c) values (1,"abc",100),
(2,"abd",200),(2,"bfd",300),(2,"efg",400),
(3,"abc",410),(3,"def",420),(3,"ghi",430),(3,"jkl",440),
(4,"abc",600),(4,"def",700),(4,"ghi",800),(4,"jkl",900);
insert into t13(a,b) values(1,1),(2,2),(3,3),(4,4),(5,5);
analyze table t12;
analyze table t13;
-- echo # eq key condition only, no pushed condition
# no r_pushed_condition in output because there is no pushed condition
# a=2 qualifies 3 rows (r_rows=3)
--source include/analyze-format.inc
analyze format=json select * from t12 where t12.a=2;
-- echo # pushed index condition
# key condition a=2 gets 3 rows
# pushed condition b like '%f%' filters down to two of the 3 rows (66.667%)
--source include/analyze-format.inc
analyze format=json select * from t12 where t12.a=2 and t12.b like '%f%';
-- echo # rowid filter only, no pushed condition
# key condition a=2 gets 3 rows
# rowid filter condition between 400 and 500 qualifies 1 of the 3 key rows (33.33%)
--source include/analyze-format.inc
analyze format=json select * from t12 where t12.a=2 and t12.c
between 400 and 500;
-- echo # pushed index condition and rowid filter
# key condition a=2 gets 3 rows
# pushed condition b like '%f%' filters down to 2 of the 3 key rows (66.667%)
# rowid filter condition between 400 and 500 filters down to 1 of the icp 2 rows (50%)
--source include/analyze-format.inc
analyze format=json select * from t12 where t12.a=2 and t12.c
between 400 and 500 and t12.b like '%f%';
-- echo # pushed index condition on the inner table (t12) of a join
# for inner table t12, key t12.a=t13.a
# for t13.a=1, 1 matching row in t12, 100% filtered by the index condition (t12.b like '%f%')
# for t13.a=2, 3 matching rows in t12, 66% filtered by the index cond
# r_rows_idx=2 (average 4 (1+3)/2 scans = 2 rows per scan)
# r_icp_filtered=50 (4 rows total, 2 survive the icp, both in the second scan)
--source include/analyze-format.inc
analyze format=json select * from t13,t12
where t13.a between 1 and 2 and t12.a=t13.a and t12.b like '%f%';
-- echo # rowid filter on inner table of a join, no ICP
# inner table t12, key t12.a=t13.a
# for t13.a=1, 1 matching row in t12, 0% survive the rowid filter (t12.c between 400 and 500)
# for t13.a=2, 3 matching rows in t12, 33% (1/3) survive the rowid filter
# rowid_filter r_lookups=2 (1+3 / 2 loops)
# rowid_filter r_selectivity_pct = 25 (1 / (1+3))
--source include/analyze-format.inc
analyze format=json select * from t13,t12 where t13.b between 1 and 2 and t12.a=t13.a and t12.c
between 400 and 450;
-- echo # rowid filter and ICP on inner table of a join
# inner table t12, key t12.a=t13.a
# for t13.a=1, 1 matching row in t12, 100% filtered by the index condition (t12.b like '%f%')
# for t13.a=2, 3 matching rows in t12, 66% filtered by the index cond
# r_rows_idx=2 (average 4 (1+3)/2 scans = 2 rows per scan)
# r_icp_filtered=50 (4 rows total, 2 survive the icp, both in the second scan)
# for t13.a=1, 0 rows after ICP
# for t13.a=2, 2 rows after ICP, 1 survives the rowid_filter (t12.c bewteen 400 and 500)
# rowid_filter r_lookups=2 (2 / 2 loops)
# rowid_filter r_selectivity_pct = 50 (1 survived / 2 rows after ICP)
--source include/analyze-format.inc
analyze format=json select * from t13,t12 where t13.b between 1 and 2 and t12.a=t13.a and t12.c
between 400 and 450 and t12.b like '%f%';
drop table t12,t13;

14
mysql-test/main/rowid_filter.result
View File

@ -154,6 +154,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.476269722,
"r_filtered": 100,
"index_condition": "lineitem.l_quantity > 47",
@ -269,6 +270,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.476269722,
"r_filtered": 9.742120344,
"index_condition": "lineitem.l_quantity > 47",
@ -418,6 +420,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "orders.o_totalprice between 200000 and 230000"
@ -581,6 +584,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "lineitem.l_shipDATE between '1997-01-01' and '1997-01-31'"
@ -763,6 +767,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.476269722,
"r_filtered": 100,
"index_condition": "lineitem.l_quantity > 47",
@ -928,6 +933,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.476269722,
"r_filtered": 9.742120344,
"index_condition": "lineitem.l_quantity > 47",
@ -1084,6 +1090,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "orders.o_totalprice between 200000 and 230000"
@ -1268,6 +1275,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "orders.o_totalprice between 200000 and 230000"
@ -1462,6 +1470,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 0.566194832,
"r_filtered": 38.88888889,
"index_condition": "lineitem.l_receiptDATE between '1996-10-05' and '1996-10-10'",
@ -1611,6 +1620,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 0.566194832,
"r_filtered": 38.88888889,
"index_condition": "lineitem.l_receiptDATE between '1996-10-05' and '1996-10-10'",
@ -1760,6 +1770,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 3.200000048,
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -1910,6 +1921,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 3.200000048,
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -2073,6 +2085,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": {},
"r_icp_filtered": 100,
"filtered": "REPLACED",
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -2233,6 +2246,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": {},
"r_icp_filtered": 100,
"filtered": "REPLACED",
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",

14
mysql-test/main/rowid_filter_aria.result
View File

@ -155,6 +155,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 11.80682755,
"r_filtered": 100,
"index_condition": "lineitem.l_shipDATE between '1997-01-01' and '1997-06-30'",
@ -270,6 +271,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 11.80682755,
"r_filtered": 6.666666667,
"index_condition": "lineitem.l_shipDATE between '1997-01-01' and '1997-06-30'",
@ -424,6 +426,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "lineitem.l_shipDATE between '1997-01-01' and '1997-01-31'"
@ -583,6 +586,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "lineitem.l_shipDATE between '1997-01-01' and '1997-01-31'"
@ -757,6 +761,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 11.80682755,
"r_filtered": 100,
"index_condition": "lineitem.l_shipDATE between '1997-01-01' and '1997-06-30'",
@ -910,6 +915,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 11.80682755,
"r_filtered": 6.666666667,
"index_condition": "lineitem.l_shipDATE between '1997-01-01' and '1997-06-30'",
@ -1067,6 +1073,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "orders.o_totalprice between 200000 and 230000"
@ -1251,6 +1258,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 100,
"r_filtered": 100,
"index_condition": "orders.o_totalprice between 200000 and 230000"
@ -1445,6 +1453,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 0.532889247,
"r_filtered": 38.88888889,
"index_condition": "lineitem.l_receiptDATE between '1996-10-05' and '1996-10-10'",
@ -1594,6 +1603,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 0.532889247,
"r_filtered": 38.88888889,
"index_condition": "lineitem.l_receiptDATE between '1996-10-05' and '1996-10-10'",
@ -1743,6 +1753,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 5,
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -1893,6 +1904,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 5,
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -2056,6 +2068,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": {},
"r_icp_filtered": 100,
"filtered": "REPLACED",
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -2216,6 +2229,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": {},
"r_icp_filtered": 100,
"filtered": "REPLACED",
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",

9
mysql-test/main/rowid_filter_innodb.result
View File

@ -157,6 +157,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.492922783,
"r_filtered": 100,
"index_condition": "lineitem.l_quantity > 47",
@ -272,6 +273,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.492922783,
"r_filtered": 9.742120344,
"index_condition": "lineitem.l_quantity > 47",
@ -742,6 +744,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.492922783,
"r_filtered": 100,
"index_condition": "lineitem.l_quantity > 47",
@ -1411,6 +1414,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 0.566194832,
"r_filtered": 38.88888889,
"index_condition": "lineitem.l_receiptDATE between '1996-10-05' and '1996-10-10'",
@ -1560,6 +1564,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 0.566194832,
"r_filtered": 38.88888889,
"index_condition": "lineitem.l_receiptDATE between '1996-10-05' and '1996-10-10'",
@ -1709,6 +1714,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 3.333333254,
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -1859,6 +1865,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 3.333333254,
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -2024,6 +2031,7 @@ ANALYZE
"r_engine_stats": {
"pages_accessed": 84
},
"r_icp_filtered": 100,
"filtered": "REPLACED",
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",
@ -2188,6 +2196,7 @@ ANALYZE
"r_engine_stats": {
"pages_accessed": 84
},
"r_icp_filtered": 100,
"filtered": "REPLACED",
"r_filtered": 2.43902439,
"index_condition": "orders.o_totaldiscount between 18000 and 20000",

4
mysql-test/main/rowid_filter_myisam.result
View File

@ -359,6 +359,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 49.20000076,
"r_filtered": 100,
"index_condition": "t1.nm like '500%'",
@ -416,6 +417,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 49.20000076,
"r_filtered": 100,
"index_condition": "t1.nm like '500%'",
@ -616,6 +618,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.630000114,
"r_filtered": 0,
"index_condition": "t1.nm like '3400%' or t1.nm like '3402%' or t1.nm like '3403%' or t1.nm like '3404%' or t1.nm like '3405%' or t1.nm like '3406%' or t1.nm like '3407%' or t1.nm like '3409%' or t1.nm like '3411%' or t1.nm like '3412%' or t1.nm like '3413%' or t1.nm like '3414%' or t1.nm like '3415%' or t1.nm like '3416%' or t1.nm like '3417%' or t1.nm like '3418%' or t1.nm like '3419%' or t1.nm like '3421%' or t1.nm like '3422%' or t1.nm like '3423%' or t1.nm like '3424%' or t1.nm like '3425%' or t1.nm like '3426%' or t1.nm like '3427%' or t1.nm like '3428%' or t1.nm like '3429%' or t1.nm like '3430%' or t1.nm like '3431%' or t1.nm like '3432%' or t1.nm like '3433%' or t1.nm like '3434%' or t1.nm like '3435%' or t1.nm like '3436%' or t1.nm like '3437%' or t1.nm like '3439%' or t1.nm like '3440%' or t1.nm like '3441%' or t1.nm like '3442%' or t1.nm like '3443%' or t1.nm like '3444%' or t1.nm like '3445%' or t1.nm like '3446%' or t1.nm like '3447%' or t1.nm like '3448%'",
@ -673,6 +676,7 @@ ANALYZE
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"r_engine_stats": REPLACED,
"r_icp_filtered": 100,
"filtered": 8.529999733,
"r_filtered": 100,
"index_condition": "t1.nm like '3400%' or t1.nm like '3402%' or t1.nm like '3403%' or t1.nm like '3404%' or t1.nm like '3405%' or t1.nm like '3406%' or t1.nm like '3407%' or t1.nm like '3409%' or t1.nm like '3411%' or t1.nm like '3412%' or t1.nm like '3413%' or t1.nm like '3414%' or t1.nm like '3415%' or t1.nm like '3416%' or t1.nm like '3417%' or t1.nm like '3418%' or t1.nm like '3419%' or t1.nm like '3421%' or t1.nm like '3422%' or t1.nm like '3423%' or t1.nm like '3424%' or t1.nm like '3425%' or t1.nm like '3426%' or t1.nm like '3427%' or t1.nm like '3428%' or t1.nm like '3429%' or t1.nm like '3430%' or t1.nm like '3431%' or t1.nm like '3432%' or t1.nm like '3433%' or t1.nm like '3434%' or t1.nm like '3435%' or t1.nm like '3436%' or t1.nm like '3437%' or t1.nm like '3439%' or t1.nm like '3440%' or t1.nm like '3441%' or t1.nm like '3442%' or t1.nm like '3443%' or t1.nm like '3444%' or t1.nm like '3445%' or t1.nm like '3446%' or t1.nm like '3447%' or t1.nm like '3448%'",

11
sql/ha_handler_stats.h
View File

@ -29,9 +29,18 @@ public:
ulonglong pages_read_time; /* Time reading pages, in microsec. */
ulonglong undo_records_read;
ulonglong engine_time; /* Time spent in engine in microsec */
/*
Index Condition Pushdown: number of times condition was checked for index
tuple
*/
ulonglong icp_attempts;
/*
Index Condition Pushdown: number of times condition check evaluated to TRUE
*/
ulonglong icp_match;
uint active; /* <> 0 if status has to be updated */
#define first_stat pages_accessed
#define last_stat engine_time
#define last_stat icp_match
inline void reset()
{
bzero((void*) this, sizeof(*this));

2
sql/handler.cc
View File

@ -7008,11 +7008,13 @@ extern "C" check_result_t handler_index_cond_check(void* h_arg)
if (unlikely(h->end_range) && h->compare_key2(h->end_range) > 0)
return CHECK_OUT_OF_RANGE;
h->increment_statistics(&SSV::ha_icp_attempts);
h->active_handler_stats.icp_attempts++;
res= CHECK_NEG;
if (h->pushed_idx_cond->val_int())
{
res= CHECK_POS;
h->fast_increment_statistics(&SSV::ha_icp_match);
h->active_handler_stats.icp_match++;
}
return res;
}

12
sql/sql_explain.cc
View File

@ -1955,6 +1955,17 @@ static void trace_engine_stats(handler *file, Json_writer *writer)
}
}
static void print_r_icp_filtered(handler *file, Json_writer *writer)
{
if (file && file->handler_stats && file->pushed_idx_cond)
{
ha_handler_stats *hs= file->handler_stats;
double r_icp_filtered = hs->icp_attempts ?
(double)(hs->icp_match) / (double)(hs->icp_attempts) : 1.0;
writer->add_member("r_icp_filtered").add_double(r_icp_filtered * 100);
}
}
void Explain_table_access::print_explain_json(Explain_query *query,
Json_writer *writer,
bool is_analyze)
@ -2113,6 +2124,7 @@ void Explain_table_access::print_explain_json(Explain_query *query,
writer->add_member("r_other_time_ms").add_double(extra_time_tracker.get_time_ms());
}
trace_engine_stats(handler_for_stats, writer);
print_r_icp_filtered(handler_for_stats, tracker, writer);
}
/* `filtered` */