{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "114.81"
},
"table": {
"table_name": "q_categories",
"access_type": "range",
"possible_keys": [
"parent"
],
"key": "parent",
"used_key_parts": [
"parent_id"
],
"key_length": "3",
"rows_examined_per_scan": 72,
"rows_produced_per_join": 72,
"filtered": "100.00",
"index_condition": "(`portal`.`q_categories`.`parent_id` in (7,159,168,184,292,360,406,425,438,445,519,596,367,619))",
"cost_info": {
"read_cost": "100.41",
"eval_cost": "14.40",
"prefix_cost": "114.81",
"data_read_per_join": "190K"
},
"used_columns": [
"category_id",
"parent_id"
]
}
}
}
category_id | parent_id |
---|---|
61 | 7 |
147 | 7 |
160 | 159 |
161 | 159 |
162 | 159 |
163 | 159 |
164 | 159 |
165 | 159 |
166 | 159 |
167 | 159 |
495 | 159 |
563 | 159 |
570 | 159 |
169 | 168 |
170 | 168 |
171 | 168 |
172 | 168 |
173 | 168 |
174 | 168 |
175 | 168 |
176 | 168 |
177 | 168 |
179 | 168 |
180 | 168 |
181 | 168 |
182 | 168 |
183 | 168 |
188 | 168 |
244 | 168 |
481 | 168 |
518 | 168 |
521 | 168 |
522 | 168 |
529 | 168 |
531 | 168 |
185 | 184 |
186 | 184 |
187 | 184 |
189 | 184 |
378 | 184 |
411 | 184 |
465 | 184 |
536 | 184 |
558 | 184 |
368 | 367 |
369 | 367 |
370 | 367 |
371 | 367 |
372 | 367 |
373 | 367 |
374 | 367 |
407 | 406 |
408 | 406 |
409 | 406 |
567 | 406 |
568 | 406 |
571 | 406 |
426 | 425 |
427 | 425 |
439 | 438 |
443 | 438 |
454 | 438 |
460 | 438 |
476 | 438 |
479 | 438 |
587 | 438 |
446 | 445 |
520 | 519 |
528 | 519 |
530 | 519 |