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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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4
mysql-test/main/explain_json_format_partitions.result
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@ -12,6 +12,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -19,6 +20,7 @@ EXPLAIN
"partitions": ["p0"],
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.a in (2,3,4)"
}
@ -34,6 +36,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -45,6 +48,7 @@ ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,