{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "36.65"
},
"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": 25,
"rows_produced_per_join": 25,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.65",
"eval_cost": "5.00",
"prefix_cost": "6.65",
"data_read_per_join": "400"
},
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "36.65",
"data_read_per_join": "66K"
},
"used_columns": [
"category_id",
"id_path"
]
}
}
]
}
}
id_path |
---|
12/50/77/79 |
12/604/91 |
12/604/91/99 |
6/159/167 |
190/200 |
248 |
248/257/264/266 |
248/273/276 |
248/278/290 |
248/302/303/323 |
248/302/303/323/329 |
248/302/330/352 |
248/361/364 |
248/361/391 |
248/361/392 |
248/393 |
207/469/470/475 |
248/544/546 |
12/555 |
248/598 |