Query time 0.00149
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 (339484,339755,430807,431068,339697,431359,430875,431041,430825,430868,431085,431156,339681,339828,430925,431053,431164,381705,430819,430820,430901,431013,431049,339596,430654,430658,431144,431148,430691,430989,430746,430808,430812,430834,430629,430680,431136,339774,339765,430843,339728,339836,339843,431110,339725,339734,339816,431080,339655,339839,339599,431118,431161,339466,430673,430890,339845,430789,430859,430906,430922,339582,339723,431082,431126,430657,430678,339702,430737,430822,430860,431111,339674,430689,431044,339754,381704,430795,430832,430892,430914,430921,430635,339802,339821,430663,430838,430854,431174,339486,430650,430959,431456,430815,339727,381697,431169,430672,430695,430950))"
}
},
{
"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"
]
}
}
]
}
}