Query time 0.00276
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "430.18"
},
"nested_loop": [
{
"table": {
"table_name": "p",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 100,
"rows_produced_per_join": 100,
"filtered": "100.00",
"cost_info": {
"read_cost": "120.12",
"eval_cost": "20.00",
"prefix_cost": "140.12",
"data_read_per_join": "1K"
},
"used_columns": [
"product_id",
"parent_product_id",
"group_id"
],
"attached_condition": "(`webmarco`.`p`.`product_id` in (430732,430942,431453,430833,430985,431076,431466,431480,339768,431219,431330,430750,431210,431353,431438,431452,431481,430719,431222,431239,431380,430724,430987,431181,431241,431285,431377,431387,431447,381709,430632,430693,430727,431229,431384,431412,431440,431208,431292,431385,431502,430733,431236,431188,431281,430682,430721,431259,431224,431361,431335,431421,430699,431249,431253,431332,430701,430955,431040,431458,430951,431081,431172,431402,430731,430757,430945,431009,431263,431431,430970,431143,431170,431215,431298,431468,431472,381715,430736,431414,431442,431455,431478,381706,431364,431401,431454,430941,431180,431369,381708,430725,430954,431233,431378,431446,431014,431212,431213,431225))"
}
},
{
"table": {
"table_name": "g",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"id"
],
"key_length": "3",
"ref": [
"webmarco.p.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 100,
"filtered": "100.00",
"cost_info": {
"read_cost": "100.00",
"eval_cost": "20.00",
"prefix_cost": "260.12",
"data_read_per_join": "39K"
},
"used_columns": [
"id",
"code"
]
}
},
{
"table": {
"table_name": "f",
"access_type": "ref",
"possible_keys": [
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "3",
"ref": [
"webmarco.p.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 141,
"filtered": "100.00",
"cost_info": {
"read_cost": "141.72",
"eval_cost": "28.34",
"prefix_cost": "430.18",
"data_read_per_join": "14K"
},
"used_columns": [
"feature_id",
"purpose",
"group_id"
]
}
}
]
}
}