{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "40.93"
},
"nested_loop": [
{
"table": {
"table_name": "p",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"company_id"
],
"key_length": "4",
"ref": [
"const"
],
"rows_examined_per_scan": 28,
"rows_produced_per_join": 28,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.73",
"eval_cost": "5.60",
"prefix_cost": "7.33",
"data_read_per_join": "448"
},
"used_columns": [
"company_id",
"category_id"
]
}
},
{
"table": {
"table_name": "c",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"portal.p.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "28.00",
"eval_cost": "5.60",
"prefix_cost": "40.93",
"data_read_per_join": "73K"
},
"used_columns": [
"category_id",
"id_path"
]
}
}
]
}
}
id_path |
---|
12/13/38/40 |
12/13/38/41 |
6/159/163 |
6/168/183 |
6/184/189 |
207/243 |
301 |
6/406/408 |
6/425/426 |
6/438/439/440/441 |
6/438/439/442 |
6/438/443/444 |
6/445/446/448 |
6/445/446/451 |
6/445/446/452 |
6/438/454/455 |
6/438/454/455/456 |
6/438/476 |
6/438/476/477 |
6/438/476/478 |
6/438/479 |
6/168/481 |
6/445/446/482 |
248/544/547 |
2/589/591 |