{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "65.19"
},
"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": 45,
"rows_produced_per_join": 45,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.19",
"eval_cost": "9.00",
"prefix_cost": "11.19",
"data_read_per_join": "720"
},
"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": 45,
"filtered": "100.00",
"cost_info": {
"read_cost": "45.00",
"eval_cost": "9.00",
"prefix_cost": "65.19",
"data_read_per_join": "118K"
},
"used_columns": [
"category_id",
"id_path"
]
}
}
]
}
}
id_path |
---|
2/3 |
2/3/5 |
12/13 |
12/13/38 |
12/13/38/40 |
12/13/38/43 |
12/13/44/49 |
12/50/77 |
12/50/77/82 |
12/95/96 |
2/144/100/113/114 |
2/144/100/117 |
2/11/133 |
2/10/134 |
2/10/136 |
2/138/139 |
2/144/145 |
6/168 |
6/168/169 |
6/168/170 |
6/168/171 |
6/168/177 |
6/168/180 |
6/168/181 |
6/168/183 |
6/184 |
190 |
6/168/244 |
248/249/251 |
248/249/252 |
248/249/253 |
12/13/44/46/298 |
2/144/366 |
207/379 |
190/386 |
299/387 |
299/389 |
248/393 |
190/428 |
248/249/434/435 |
6/438/454/455 |
6/438/460/464 |
248/249/484 |
248/249/253/489 |
207/513 |
6/168/518 |
6/519 |
2/11/523 |
2/11/523/525 |
2/11/523/526 |
248/249/253/532 |
248/249/533 |
248/544/546 |
190/551 |
299/552 |