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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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138
mysql-test/main/explain_json.result
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@ -6,12 +6,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -33,12 +35,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t0.a < 3"
}
@ -59,12 +63,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t0.a is not null"
}
@ -79,6 +85,7 @@ EXPLAIN
"used_key_parts": ["a"],
"ref": ["test.t0.a"],
"rows": 1,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -93,6 +100,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -103,6 +111,7 @@ EXPLAIN
"key_length": "5",
"used_key_parts": ["a1"],
"rows": 5,
"cost": "COST_REPLACED",
"filtered": 100,
"index_condition": "t2.a1 < 5"
}
@ -115,6 +124,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -139,6 +149,7 @@ EXPLAIN
]
},
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t2.a1 = 1 or t2.b1 = 2"
}
@ -151,6 +162,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -175,6 +187,7 @@ EXPLAIN
]
},
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t2.a1 = 1 or t2.b1 = 2 and t2.b2 = 3"
}
@ -188,6 +201,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -212,6 +226,7 @@ EXPLAIN
]
},
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t2.a1 = 1 and t2.a2 = 1 or t2.b1 = 2 and t2.b2 = 1"
}
@ -225,12 +240,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t0.a is not null"
}
@ -245,6 +262,7 @@ EXPLAIN
"used_key_parts": ["b1", "b2"],
"ref": ["test.t0.a", "const"],
"rows": 1,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -266,12 +284,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "A",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -282,12 +302,14 @@ EXPLAIN
"query_block": {
"select_id": 2,
"operation": "UNION",
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "B",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -307,12 +329,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "A",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -323,12 +347,14 @@ EXPLAIN
"query_block": {
"select_id": 2,
"operation": "UNION",
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "B",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -349,12 +375,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -365,12 +393,14 @@ EXPLAIN
"state": "uninitialized",
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.b = t0.a"
}
@ -389,12 +419,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t0.a > (subquery#2) or t0.a < 3"
}
@ -406,12 +438,14 @@ EXPLAIN
"state": "uninitialized",
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.b = t0.a"
}
@ -435,12 +469,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "tbl1",
"access_type": "ALL",
"rows": 100,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "tbl1.b < 3"
}
@ -451,6 +487,7 @@ EXPLAIN
"table_name": "tbl2",
"access_type": "ALL",
"rows": 100,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "tbl2.b < 5"
},
@ -538,12 +575,14 @@ EXPLAIN
{
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -566,17 +605,20 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "<derived2>",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "tbl.cnt > 0",
"materialized": {
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"having_condition": "cnt > 0",
"filesort": {
"sort_key": "t1.a",
@ -587,6 +629,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -607,12 +650,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "tbl2",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "tbl2.a is not null"
}
@ -627,11 +672,13 @@ EXPLAIN
"used_key_parts": ["cnt"],
"ref": ["test.tbl2.a"],
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "tbl1.cnt = tbl2.a",
"materialized": {
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"filesort": {
"sort_key": "t1.a",
"temporary_table": {
@ -641,6 +688,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -663,12 +711,14 @@ 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,
"attached_condition": "t1.a is not null"
}
@ -683,11 +733,13 @@ EXPLAIN
"used_key_parts": ["max(a)"],
"ref": ["test.t1.a"],
"rows": 1,
"cost": "COST_REPLACED",
"filtered": 100,
"materialized": {
"unique": 1,
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"temporary_table": {
"nested_loop": [
{
@ -695,6 +747,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -718,12 +771,14 @@ 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
}
},
@ -752,6 +807,7 @@ EXPLAIN
"key_length": "8",
"used_key_parts": ["seq"],
"rows": 100,
"cost": "COST_REPLACED",
"filtered": 100,
"using_index": true
}
@ -767,6 +823,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
},
"buffer_type": "flat",
@ -791,12 +848,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
},
@ -806,6 +865,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"first_match": "t2"
},
@ -834,12 +894,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
},
@ -851,6 +913,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 10
},
"buffer_type": "flat",
@ -878,6 +941,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -888,6 +952,7 @@ EXPLAIN
"key_length": "5",
"used_key_parts": ["a"],
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"index_condition": "t1.a < 3",
"mrr_type": "Rowid-ordered scan"
@ -904,12 +969,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "tbl1",
"access_type": "ALL",
"rows": 100,
"cost": "COST_REPLACED",
"filtered": 100
}
},
@ -921,6 +988,7 @@ EXPLAIN
"access_type": "ALL",
"possible_keys": ["a"],
"rows": 100,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -942,6 +1010,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -951,6 +1020,7 @@ EXPLAIN
"key_length": "5",
"used_key_parts": ["a"],
"rows": 5,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "!<in_optimizer>(outer_t1.a,<exists>(subquery#2))",
"using_index": true
@ -961,6 +1031,7 @@ EXPLAIN
{
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"having_condition": "trigcond(t1.a is null)",
"nested_loop": [
{
@ -974,6 +1045,7 @@ EXPLAIN
"used_key_parts": ["a"],
"ref": ["func"],
"rows": 3,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "trigcond(<cache>(outer_t1.a) = t1.a or t1.a is null)",
"using_index": true
@ -986,6 +1058,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 5,
"cost": "COST_REPLACED",
"filtered": 100
},
"buffer_type": "flat",
@ -1017,6 +1090,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"const_condition": "<not>(<in_optimizer>(20000,<max>(subquery#2) >= 20000))",
"nested_loop": [
{
@ -1024,6 +1098,7 @@ EXPLAIN
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -1032,12 +1107,14 @@ EXPLAIN
{
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "tbl1",
"access_type": "ALL",
"rows": 100,
"cost": "COST_REPLACED",
"filtered": 100
}
},
@ -1047,6 +1124,7 @@ EXPLAIN
"table_name": "tbl2",
"access_type": "ALL",
"rows": 100,
"cost": "COST_REPLACED",
"filtered": 100
},
"buffer_type": "flat",
@ -1075,12 +1153,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "!<in_optimizer>(t1.a,<exists>(subquery#2))"
}
@ -1090,6 +1170,7 @@ EXPLAIN
{
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"having_condition": "trigcond(t2.b is null)",
"nested_loop": [
{
@ -1097,6 +1178,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "trigcond(<cache>(t1.a) = t2.b or t2.b is null)"
}
@ -1135,6 +1217,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -1144,6 +1227,7 @@ EXPLAIN
"key_length": "10",
"used_key_parts": ["a", "b"],
"rows": 101,
"cost": "COST_REPLACED",
"filtered": 100,
"using_index_for_group_by": true
}
@ -1159,6 +1243,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -1172,6 +1257,7 @@ ANALYZE
"r_loops": 1,
"rows": 101,
"r_rows": 100,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -1246,6 +1332,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -1255,6 +1342,7 @@ EXPLAIN
"key_length": "147",
"used_key_parts": ["a1", "a2", "b"],
"rows": 17,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.b = 'a' and t1.a2 >= 'b'",
"using_index_for_group_by": true
@ -1268,6 +1356,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -1277,6 +1366,7 @@ EXPLAIN
"key_length": "163",
"used_key_parts": ["a1", "a2", "b", "c"],
"rows": 128,
"cost": "COST_REPLACED",
"filtered": 0.198364258,
"attached_condition": "t1.b = 'a' and t1.c = 'i121' and t1.a2 >= 'b'",
"using_index": true
@ -1290,6 +1380,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
@ -1300,6 +1391,7 @@ EXPLAIN
"key_length": "147",
"used_key_parts": ["a1", "a2", "b"],
"rows": 1,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.b = 'a' and t1.a1 >= '' and t1.a2 >= 'b'",
"using_index_for_group_by": true
@ -1319,12 +1411,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.a = _latin1'\xDF'"
}
@ -1343,12 +1437,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "(case when convert(t1.a using utf8mb3) = <cache>(_utf8mb3'a' collate utf8mb3_bin) then NULL else t1.a end)"
}
@ -1376,6 +1472,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"having_condition": "TOP > t2.a",
"filesort": {
"sort_key": "t2.a",
@ -1386,6 +1483,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 256,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -1400,6 +1498,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"filesort": {
"sort_key": "t2.a",
"temporary_table": {
@ -1409,6 +1508,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 256,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -1434,6 +1534,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"filesort": {
"sort_key": "t2.a",
"temporary_table": {
@ -1443,6 +1544,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 256,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -1511,6 +1613,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"const_condition": "1",
"nested_loop": [
{
@ -1528,6 +1631,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -1543,6 +1647,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"const_condition": "1",
@ -1567,6 +1672,7 @@ ANALYZE
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -1588,12 +1694,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100
}
},
@ -1607,6 +1715,7 @@ EXPLAIN
"used_key_parts": ["pk"],
"ref": ["test.t1.a"],
"rows": 1,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "trigcond(t2.pk is null) and trigcond(trigcond(t1.a is not null))",
"using_index": true,
@ -1625,6 +1734,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -1635,6 +1745,7 @@ ANALYZE
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -1653,6 +1764,7 @@ ANALYZE
"r_loops": 2,
"rows": 1,
"r_rows": 1,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -1677,6 +1789,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"temporary_table": {
"nested_loop": [
{
@ -1684,6 +1797,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.a is not null"
}
@ -1698,6 +1812,7 @@ EXPLAIN
"used_key_parts": ["pk"],
"ref": ["test.t1.a"],
"rows": 1,
"cost": "COST_REPLACED",
"filtered": 100,
"using_index": true,
"distinct": true
@ -1716,6 +1831,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"temporary_table": {
@ -1727,6 +1843,7 @@ ANALYZE
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -1746,6 +1863,7 @@ ANALYZE
"r_loops": 2,
"rows": 1,
"r_rows": 1,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -1783,12 +1901,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t3",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t3.a is not null"
}
@ -1804,6 +1924,7 @@ EXPLAIN
"used_key_parts": ["a"],
"ref": ["test.t3.a"],
"rows": 1,
"cost": "COST_REPLACED",
"filtered": 100,
"index_condition_bka": "t4.b + 1 <= t3.b + 1"
},
@ -1825,6 +1946,7 @@ ANALYZE
},
"query_block": {
"select_id": 1,
"cost": "REPLACED",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"nested_loop": [
@ -1835,6 +1957,7 @@ ANALYZE
"r_loops": 1,
"rows": 10,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -1855,6 +1978,7 @@ ANALYZE
"r_loops": 1,
"rows": 1,
"r_rows": 10,
"cost": "REPLACED",
"r_table_time_ms": "REPLACED",
"r_other_time_ms": "REPLACED",
"filtered": 100,
@ -1888,12 +2012,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -1904,6 +2030,7 @@ EXPLAIN
"state": "uninitialized",
"query_block": {
"select_id": 2,
"cost": "COST_REPLACED",
"outer_ref_condition": "t0.a < 5",
"nested_loop": [
{
@ -1911,6 +2038,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 10,
"cost": "COST_REPLACED",
"filtered": 100,
"attached_condition": "t1.b < t0.a"
}
@ -1933,6 +2061,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"read_sorted_file": {
@ -1942,6 +2071,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 3,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -1955,6 +2085,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"read_sorted_file": {
@ -1964,6 +2095,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 3,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -1977,6 +2109,7 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"read_sorted_file": {
@ -1986,6 +2119,7 @@ EXPLAIN
"table_name": "t1",
"access_type": "ALL",
"rows": 3,
"cost": "COST_REPLACED",
"filtered": 100
}
}
@ -2007,12 +2141,14 @@ EXPLAIN
{
"query_block": {
"select_id": 1,
"cost": "COST_REPLACED",
"nested_loop": [
{
"table": {
"table_name": "t0",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100
}
},
@ -2024,6 +2160,7 @@ EXPLAIN
"table_name": "t2",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 100
},
"buffer_type": "flat",
@ -2038,6 +2175,7 @@ EXPLAIN
"table_name": "t3",
"access_type": "ALL",
"rows": 2,
"cost": "COST_REPLACED",
"filtered": 25
},
"buffer_type": "incremental",