Query time 0.00167
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 (430995,431087,431290,431381,431004,431231,431405,430983,431071,431497,430762,431274,431411,431495,431017,431175,431182,431434,431465,430686,430974,431045,431403,430755,430765,430785,431001,431494,430965,431025,431457,381710,430963,430966,431002,431240,431329,431343,381707,430630,430964,431243,431304,431425,430752,430773,431284,431394,430711,430961,431328,431505,431235,431362,431408,431422,431498,430971,431079,431355,431383,431015,431152,431260,431283,431407,430669,430700,430705,430759,431105,431488,430943,430978,431018,431057,431069,431340,431352,431409,430944,431217,431337,431419,435510,430929,431030,431311,430717,430781,430938,430973,431346,431427,387046,430956,431302,431415,431482,431500))"
}
},
{
"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"
]
}
}
]
}
}