Query time 0.00115
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "188.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "36.00"
},
"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": 36,
"rows_produced_per_join": 36,
"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 ('648','649','650','651','652','635','587','588','589','590','591','592','593','594','595','596')))",
"cost_info": {
"read_cost": "59.21",
"eval_cost": "7.20",
"prefix_cost": "66.41",
"data_read_per_join": "3K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "109.61",
"data_read_per_join": "27K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "152.81",
"data_read_per_join": "21K"
},
"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 |
|
|
|
|
1207 |
588 |
product |
3184 |
A |
1 |
|
|
0 |
|
|
|
|
1208 |
588 |
product |
3185 |
A |
2 |
|
|
0 |
|
|
|
|
1218 |
593 |
product |
3195 |
A |
2 |
|
|
0 |
|
|
|
|
1266 |
588 |
product |
3243 |
A |
3 |
|
|
0 |
|
|
|
|
1206 |
587 |
product |
3183 |
A |
10 |
|
|
0 |
|
|
|
|
1210 |
589 |
product |
3187 |
A |
10 |
|
|
0 |
|
|
|
|
1212 |
590 |
product |
3189 |
A |
10 |
|
|
0 |
|
|
|
|
1214 |
591 |
product |
3191 |
A |
10 |
|
|
0 |
|
|
|
|
1216 |
592 |
product |
3193 |
A |
10 |
|
|
0 |
|
|
|
|
1220 |
594 |
product |
3197 |
A |
10 |
|
|
0 |
|
|
|
|
1222 |
595 |
product |
3199 |
A |
10 |
|
|
0 |
|
|
|
|
1224 |
596 |
product |
3201 |
A |
10 |
|
|
0 |
|
|
|
|
1265 |
587 |
product |
3242 |
A |
10 |
|
|
0 |
|
|
|
|
1267 |
589 |
product |
3244 |
A |
10 |
|
|
0 |
|
|
|
|
1268 |
590 |
product |
3245 |
A |
10 |
|
|
0 |
|
|
|
|
1269 |
591 |
product |
3246 |
A |
10 |
|
|
0 |
|
|
|
|
1270 |
592 |
product |
3247 |
A |
10 |
|
|
0 |
|
|
|
|
1272 |
594 |
product |
3249 |
A |
10 |
|
|
0 |
|
|
|
|
1273 |
595 |
product |
3250 |
A |
10 |
|
|
0 |
|
|
|
|
1274 |
596 |
product |
3251 |
A |
10 |
|
|
0 |
|
|
|
|
1408 |
635 |
product |
3385 |
A |
10 |
|
|
0 |
|
|
|
|
1409 |
635 |
product |
3386 |
A |
10 |
|
|
0 |
|
|
|
|
1435 |
648 |
product |
3412 |
A |
10 |
|
|
0 |
|
|
|
|
1437 |
649 |
product |
3414 |
A |
10 |
|
|
0 |
|
|
|
|
1439 |
650 |
product |
3416 |
A |
10 |
|
|
0 |
|
|
|
|
1441 |
651 |
product |
3418 |
A |
10 |
|
|
0 |
|
|
|
|
1443 |
652 |
product |
3420 |
A |
10 |
|
|
0 |
|
|
|
|
1444 |
635 |
product |
3421 |
A |
10 |
|
|
0 |
|
|
|
|
1457 |
648 |
product |
3434 |
A |
10 |
|
|
0 |
|
|
|
|
1458 |
649 |
product |
3435 |
A |
10 |
|
|
0 |
|
|
|
|
1459 |
650 |
product |
3436 |
A |
10 |
|
|
0 |
|
|
|
|
1460 |
651 |
product |
3437 |
A |
10 |
|
|
0 |
|
|
|
|
1461 |
652 |
product |
3438 |
A |
10 |
|
|