Query time 0.00076
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 (430718,430835,430974,431021,431034,431056,431108,431246,431309,430828,430872,431440,431494,430867,430889,431152,431505,430683,430741,431012,431340,431411,430690,430793,430877,431045,431211,431465,430739,431425,430715,430799,431329,431403,430961,431240,431284,431341,430770,430975,431360,431464,430735,430791,430858,431030,431239,431343,431349,431474,430643,430948,431038,431219,431406,430734,430934,431186,431328,430762,430764,430790,430830,431283,430740,431500,430732,430765,430786,430882,430919,431303,430686,431353,431410,430701,430711,431182,431230,431243,431279,431498,431060,431405,431497,430792,431231,431274,431495,431076,431175,431249,431290,431422,431311,431337,431419,430659,430957,430965))"
}
},
{
"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"
]
}
}
]
}
}