1
0
mirror of https://github.com/MariaDB/server.git synced 2025-07-27 18:02:13 +03:00

MDEV-28926 Add time spent on query optimizer to JSON ANALYZE (#2193)

* Add query optimizer timer to ANALYZE FORMAT=JSON

* Adapt tests and results

* Change logic to always close the writer after printing query blocks
This commit is contained in:
Luis Eduardo Oliveira Lizardo
2022-07-18 17:48:01 +02:00
committed by Sergei Petrunia
parent f45f60636f
commit ad7631bdce
28 changed files with 523 additions and 21 deletions

View File

@ -1148,6 +1148,9 @@ EXPLAIN
analyze format=json select count(distinct b) from t1 group by a;
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"r_loops": 1,
@ -1446,6 +1449,9 @@ analyze format=json
select * from t1;
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"table": {
@ -1497,6 +1503,9 @@ analyze format=json
select * from t1 left join t2 on t2.pk > 10 and t2.pk < 0;
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"r_loops": 1,
@ -1576,6 +1585,9 @@ analyze format=json
select * from t1 left join t2 on t2.pk=t1.a where t2.pk is null;
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"r_loops": 1,
@ -1664,6 +1676,9 @@ analyze format=json
select distinct t1.a from t1 join t2 on t2.pk=t1.a;
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"r_loops": 1,
@ -1770,6 +1785,9 @@ analyze format=json
select * from t3,t4 where t3.a=t4.a and (t4.b+1 <= t3.b+1);
ANALYZE
{
"query_optimization": {
"r_total_time_ms": "REPLACED"
},
"query_block": {
"select_id": 1,
"r_loops": 1,