database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

MDEV-30032: EXPLAIN FORMAT=JSON output: print costs

Browse Source 
Basic printout for join and table execution costs.
This commit is contained in:
Sergei Petrunia
2022-11-19 21:00:23 +03:00
parent 657868f5e7
commit ffe0beca25
91 changed files with 3441 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
mysql-test/main/subselect_cache.result
View File

@ -49,6 +49,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -59,6 +60,7 @@ ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -73,6 +75,7 @@ ANALYZE
"r_hit_ratio": 60,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 4,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -83,6 +86,7 @@ ANALYZE
"r_loops": 4,
"rows": 4,
"r_rows": 4,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -106,6 +110,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -116,6 +121,7 @@ ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -138,6 +144,7 @@ ANALYZE
{
"query_block": {
"select_id": 3,
"cost": "REPLACED",
"r_loops": 4,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -148,6 +155,7 @@ ANALYZE
"r_loops": 4,
"rows": 4,
"r_rows": 4,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -178,6 +186,7 @@ ANALYZE
"r_hit_ratio": 60,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 4,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -188,6 +197,7 @@ ANALYZE
"r_loops": 4,
"rows": 4,
"r_rows": 4,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -208,12 +218,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -224,12 +236,14 @@ EXPLAIN
"state": "uninitialized",
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 4,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.b = t2.c"
}
@ -247,12 +261,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -269,12 +285,14 @@ EXPLAIN
{
"query_block": {
"select_id": 3,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 4,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.b = t2.c"
}
@ -301,12 +319,14 @@ EXPLAIN
"state": "uninitialized",
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 4,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.b = t2.c"
}