Query time 0.00138
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "298.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "56.00"
},
"nested_loop": [
{
"table": {
"table_name": "q_images_links",
"access_type": "range",
"possible_keys": [
"object_id"
],
"key": "object_id",
"used_key_parts": [
"object_id",
"object_type",
"type"
],
"key_length": "81",
"rows_examined_per_scan": 56,
"rows_produced_per_join": 56,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'A') and (`portal`.`q_images_links`.`object_id` in ('262','229','230','231','232','233','234','235','236','237','238','239','240','241','242','243','244','245','199','200','201','202','203','204','205','206','207','208','209','210')))",
"cost_info": {
"read_cost": "97.21",
"eval_cost": "11.20",
"prefix_cost": "108.41",
"data_read_per_join": "5K"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"image_id",
"detailed_id",
"type",
"position"
]
}
},
{
"table": {
"table_name": "q_images",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"image_id"
],
"key_length": "4",
"ref": [
"portal.q_images_links.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 56,
"filtered": "100.00",
"cost_info": {
"read_cost": "56.00",
"eval_cost": "11.20",
"prefix_cost": "175.61",
"data_read_per_join": "42K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"table": {
"table_name": "q_common_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"lang_code",
"object_holder"
],
"key_length": "107",
"ref": [
"portal.q_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 56,
"filtered": "100.00",
"cost_info": {
"read_cost": "56.00",
"eval_cost": "11.20",
"prefix_cost": "242.81",
"data_read_per_join": "33K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
],
"attached_condition": "<if>(is_not_null_compl(q_common_descriptions), (`portal`.`q_common_descriptions`.`object_id` = `portal`.`q_images`.`image_id`), true)"
}
}
]
}
}
}
Result
image_id |
image_path |
image_x |
image_y |
is_high_res |
pair_id |
object_id |
object_type |
detailed_id |
type |
position |
alt |
images_image_id |
0 |
|
|
|
|
442 |
203 |
product |
2419 |
A |
1 |
|
|
0 |
|
|
|
|
495 |
240 |
product |
2472 |
A |
1 |
|
|
0 |
|
|
|
|
496 |
240 |
product |
2473 |
A |
2 |
|
|
0 |
|
|
|
|
435 |
199 |
product |
2412 |
A |
10 |
|
|
0 |
|
|
|
|
437 |
200 |
product |
2414 |
A |
10 |
|
|
0 |
|
|
|
|
439 |
201 |
product |
2416 |
A |
10 |
|
|
0 |
|
|
|
|
441 |
202 |
product |
2418 |
A |
10 |
|
|
0 |
|
|
|
|
444 |
204 |
product |
2421 |
A |
10 |
|
|
0 |
|
|
|
|
446 |
205 |
product |
2423 |
A |
10 |
|
|
0 |
|
|
|
|
448 |
206 |
product |
2425 |
A |
10 |
|
|
0 |
|
|
|
|
450 |
207 |
product |
2427 |
A |
10 |
|
|
0 |
|
|
|
|
452 |
208 |
product |
2429 |
A |
10 |
|
|
0 |
|
|
|
|
454 |
209 |
product |
2431 |
A |
10 |
|
|
0 |
|
|
|
|
456 |
210 |
product |
2433 |
A |
10 |
|
|
0 |
|
|
|
|
474 |
229 |
product |
2451 |
A |
10 |
|
|
0 |
|
|
|
|
476 |
230 |
product |
2453 |
A |
10 |
|
|
0 |
|
|
|
|
478 |
231 |
product |
2455 |
A |
10 |
|
|
0 |
|
|
|
|
480 |
232 |
product |
2457 |
A |
10 |
|
|
0 |
|
|
|
|
482 |
233 |
product |
2459 |
A |
10 |
|
|
0 |
|
|
|
|
484 |
234 |
product |
2461 |
A |
10 |
|
|
0 |
|
|
|
|
486 |
235 |
product |
2463 |
A |
10 |
|
|
0 |
|
|
|
|
488 |
236 |
product |
2465 |
A |
10 |
|
|
0 |
|
|
|
|
490 |
237 |
product |
2467 |
A |
10 |
|
|
0 |
|
|
|
|
492 |
238 |
product |
2469 |
A |
10 |
|
|
0 |
|
|
|
|
494 |
239 |
product |
2471 |
A |
10 |
|
|
0 |
|
|
|
|
498 |
241 |
product |
2475 |
A |
10 |
|
|
0 |
|
|
|
|
500 |
242 |
product |
2477 |
A |
10 |
|
|
0 |
|
|
|
|
502 |
243 |
product |
2479 |
A |
10 |
|
|
0 |
|
|
|
|
504 |
244 |
product |
2481 |
A |
10 |
|
|
0 |
|
|
|
|
506 |
245 |
product |
2483 |
A |
10 |
|
|
0 |
|
|
|
|
537 |
262 |
product |
2514 |
A |
10 |
|
|