mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-05-06 15:15:34 +02:00
Code Issues Projects Releases Packages Wiki Activity

MDEV-7648: Extra data in ANALYZE FORMAT=JSON $stmt

Browse source 
Show total execution time (r_total_time_ms) for various parts of the
query:
1. time spent in SELECTs
2. time spent reading rows from storage engines

#2 currently gets the data from P_S.
This commit is contained in:
Sergei Petrunia 2015-03-07 22:47:28 +03:00
commit 1626e0d3d4
12 changed files with 218 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

8
mysql-test/t/analyze_format_json.test
View file

@ -9,28 +9,34 @@ create table t0 (a int);
INSERT INTO t0 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
--echo # r_filtered=30%, because 3 rows match: 0,1,2
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
analyze format=json select * from t0 where a<3;
create table t1 (a int, b int, c int, key(a));
insert into t1 select A.a*10 + B.a, A.a*10 + B.a, A.a*10 + B.a from t0 A, t0 B;
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
analyze
select * from t0, t1 where t1.a=t0.a and t0.a > 9;
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
analyze format=json
select * from t0, t1 where t1.a=t0.a and t0.a > 9;
analyze
select * from t0, t1 where t1.a=t0.a and t1.b<4;
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
analyze format=json
select * from t0, t1 where t1.a=t0.a and t1.b<4;
analyze
select * from t1 tbl1, t1 tbl2 where tbl1.b<2 and tbl2.b>5;
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
analyze format=json
select * from t1 tbl1, t1 tbl2 where tbl1.b<20 and tbl2.b<60;
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
analyze format=json
select * from t1 tbl1, t1 tbl2 where tbl1.b<20 and tbl2.b<60 and tbl1.c > tbl2.c;
@ -47,6 +53,7 @@ insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 (a int, key(a));
insert into t2 values (0),(1);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
analyze format=json select * from t1 straight_join t2 force index(a) where t2.a=t1.a;
drop table t1,t2;
@ -62,6 +69,7 @@ select database();
connect (con1,localhost,root,,*NO-ONE*);
connection con1;
select database();
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
analyze format=json select * from test.t1 where t1.a<5;
disconnect con1;
connection default;