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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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24
mysql-test/main/order_by.result
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@ -1564,6 +1564,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -1589,6 +1590,7 @@ ANALYZE
"r_loops": 1,
"rows": 2,
"r_rows": 1,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 50,
@ -3455,6 +3457,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -3475,6 +3478,7 @@ ANALYZE
"r_loops": 1,
"rows": 100,
"r_rows": 100,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -3804,6 +3808,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -3824,6 +3829,7 @@ ANALYZE
"r_loops": 1,
"rows": 100,
"r_rows": 100,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -3970,6 +3976,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -3990,6 +3997,7 @@ ANALYZE
"r_loops": 1,
"rows": 5,
"r_rows": 5,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -4019,6 +4027,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -4039,6 +4048,7 @@ ANALYZE
"r_loops": 1,
"rows": 6,
"r_rows": 6,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -4074,6 +4084,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -4094,6 +4105,7 @@ ANALYZE
"r_loops": 1,
"rows": 6,
"r_rows": 6,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -4143,6 +4155,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -4163,6 +4176,7 @@ ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -4325,6 +4339,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -4335,6 +4350,7 @@ ANALYZE
"r_loops": 1,
"rows": 50,
"r_rows": 50,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -4349,6 +4365,7 @@ ANALYZE
"r_hit_ratio": 0,
"query_block": {
"select_id": 2,
"cost": "REPLACED",
"r_loops": 50,
"r_total_time_ms": "REPLACED",
"filesort": {
@ -4368,6 +4385,7 @@ ANALYZE
"r_loops": 50,
"rows": 50,
"r_rows": 50,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -4466,6 +4484,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -4476,6 +4495,7 @@ EXPLAIN
"key_length": "4",
"used_key_parts": ["a"],
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"using_index": true
}
@ -4501,6 +4521,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 97,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t2.b = 3"
}
@ -4537,6 +4558,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"read_sorted_file": {
@ -4547,6 +4569,7 @@ EXPLAIN
"access_type": "ALL",
"possible_keys": ["PRIMARY"],
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -4573,6 +4596,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 97,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t2.b = 3"
}