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

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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
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68
mysql-test/main/show_analyze_json.result
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@ -44,6 +44,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -53,6 +54,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 1000,
"r_rows": 1000,
"cost": "REPLACED",
"filtered": 50,
"r_filtered": 50,
"attached_condition": "t1.c < 500"
@ -77,6 +79,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -86,6 +89,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 1000,
"r_rows": 1000,
"cost": "REPLACED",
"filtered": 10,
"r_filtered": 10,
"attached_condition": "t1.c < 10"
@ -111,6 +115,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -122,6 +127,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 1000,
"r_rows": 1000,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 99.90000153,
@ -160,6 +166,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -169,6 +176,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 60,
"attached_condition": "a.a <= 5"
@ -181,6 +189,7 @@ SHOW ANALYZE
"query_block": {
"select_id": 2,
"operation": "UNION",
"cost": "REPLACED",
"nested_loop": [
{
"table": {
@ -189,6 +198,7 @@ SHOW ANALYZE
"r_loops": 0,
"rows": 10,
"r_rows": null,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": null,
"attached_condition": "b.a >= 9"
@ -229,6 +239,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -238,6 +249,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 60,
"attached_condition": "a.a <= 5"
@ -250,6 +262,7 @@ SHOW ANALYZE
"query_block": {
"select_id": 2,
"operation": "UNION",
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -259,6 +272,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 10,
"attached_condition": "b.a >= 9"
@ -299,6 +313,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -309,6 +324,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -323,6 +339,7 @@ SHOW ANALYZE
"query_block": {
"select_id": 2,
"operation": "UNION",
"cost": "REPLACED",
"nested_loop": [
{
"table": {
@ -331,6 +348,7 @@ SHOW ANALYZE
"r_loops": 0,
"rows": 10,
"r_rows": null,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": null,
"attached_condition": "b.a >= 9"
@ -371,6 +389,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -381,6 +400,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -395,6 +415,7 @@ SHOW ANALYZE
"query_block": {
"select_id": 2,
"operation": "UNION",
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -405,6 +426,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -441,6 +463,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -450,6 +473,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 20,
"attached_condition": "a.a < 2"
@ -460,6 +484,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -469,6 +494,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 30,
"attached_condition": "b.a > 6"
@ -501,6 +527,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -511,6 +538,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -523,6 +551,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -533,6 +562,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -567,6 +597,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"nested_loop": [
{
"table": {
@ -575,6 +606,7 @@ SHOW ANALYZE
"r_loops": 0,
"rows": 10,
"r_rows": null,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": null,
"attached_condition": "a.a < 2"
@ -588,6 +620,7 @@ SHOW ANALYZE
"r_loops": 0,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"nested_loop": [
{
"table": {
@ -596,6 +629,7 @@ SHOW ANALYZE
"r_loops": 0,
"rows": 10,
"r_rows": null,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": null,
"attached_condition": "b.a + a.a < 10"
@ -629,6 +663,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -638,6 +673,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 20,
"attached_condition": "a.a < 2"
@ -651,6 +687,7 @@ SHOW ANALYZE
"r_hit_ratio": 0,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 2,
"nested_loop": [
{
@ -660,6 +697,7 @@ SHOW ANALYZE
"r_loops": 2,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 95,
"attached_condition": "b.a + a.a < 10"
@ -693,6 +731,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -703,6 +742,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -718,6 +758,7 @@ SHOW ANALYZE
"r_hit_ratio": 0,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 2,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -728,6 +769,7 @@ SHOW ANALYZE
"r_loops": 2,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -791,6 +833,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"nested_loop": [
{
"table": {
@ -799,6 +842,7 @@ SHOW ANALYZE
"r_loops": 0,
"rows": 10,
"r_rows": null,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": null,
"attached_condition": "t2.a + t0.a < 3"
@ -834,6 +878,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -843,6 +888,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 30,
"attached_condition": "t2.a + t0.a < 3"
@ -889,6 +935,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"nested_loop": [
{
"table": {
@ -897,6 +944,7 @@ SHOW ANALYZE
"r_loops": 0,
"rows": 10,
"r_rows": null,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": null,
"attached_condition": "t2.a + t0.a < 3"
@ -932,6 +980,7 @@ SHOW ANALYZE
{
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -941,6 +990,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 30,
"attached_condition": "t2.a + t0.a < 3"
@ -974,6 +1024,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -983,6 +1034,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 3,
"r_rows": 1,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
@ -995,6 +1047,7 @@ SHOW ANALYZE
"r_hit_ratio": 0,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"nested_loop": [
{
"table": {
@ -1003,6 +1056,7 @@ SHOW ANALYZE
"r_loops": 0,
"rows": 10,
"r_rows": null,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": null,
"attached_condition": "t2.a + t0.a < 3"
@ -1026,6 +1080,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -1035,6 +1090,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 3,
"r_rows": 2,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
@ -1047,6 +1103,7 @@ SHOW ANALYZE
"r_hit_ratio": 0,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -1056,6 +1113,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 30,
"attached_condition": "t2.a + t0.a < 3"
@ -1079,6 +1137,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -1088,6 +1147,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
@ -1100,6 +1160,7 @@ SHOW ANALYZE
"r_hit_ratio": 0,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 2,
"nested_loop": [
{
@ -1109,6 +1170,7 @@ SHOW ANALYZE
"r_loops": 2,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 25,
"attached_condition": "t2.a + t0.a < 3"
@ -1146,6 +1208,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"nested_loop": [
{
@ -1164,6 +1227,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
@ -1205,6 +1269,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"temporary_table": {
"nested_loop": [
@ -1215,6 +1280,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
@ -1254,6 +1320,7 @@ SHOW ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"temporary_table": {
"nested_loop": [
@ -1264,6 +1331,7 @@ SHOW ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"filtered": 100,
"r_filtered": 100
}