Query time 0.00159
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 (430644,430664,430988,431073,430730,431043,431083,431135,430628,431089,431167,431459,339831,430829,430842,431063,431183,430662,430844,431066,431313,430651,430869,430928,339762,430769,430880,430898,430899,430884,431035,339781,430653,430684,430712,430847,431140,431142,430631,430891,430962,430626,431185,381713,430893,431093,430881,430909,431031,339733,339691,431123,430797,430896,430900,430980,431197,431250,430633,430806,430873,430883,431226,339600,430837,431088,430645,430685,430787,430876,430930,431023,431064,430913,339488,430768,430841,431008,431078,431131,339804,339594,430676,430772,430802,430981,431119,430758,431032,431121,430760,430796,430846,431113,431159,430698,431198,431356,381712,431178))"
}
},
{
"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"
]
}
}
]
}
}