Query time 0.00115
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "116.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "21.00"
},
"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": 21,
"rows_produced_per_join": 21,
"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 ('8410','8412','8414','8415','8419','8425','8426','8427','8428','8429','8430','8431','8432','8435','8436','8438')))",
"cost_info": {
"read_cost": "41.21",
"eval_cost": "4.20",
"prefix_cost": "45.41",
"data_read_per_join": "1K"
},
"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": 21,
"filtered": "100.00",
"cost_info": {
"read_cost": "21.00",
"eval_cost": "4.20",
"prefix_cost": "70.61",
"data_read_per_join": "16K"
},
"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": 21,
"filtered": "100.00",
"cost_info": {
"read_cost": "21.00",
"eval_cost": "4.20",
"prefix_cost": "95.81",
"data_read_per_join": "12K"
},
"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 |
|
|
|
|
17777 |
8410 |
product |
19739 |
A |
10 |
|
|
0 |
|
|
|
|
17780 |
8412 |
product |
19742 |
A |
10 |
|
|
0 |
|
|
|
|
17783 |
8414 |
product |
19745 |
A |
10 |
|
|
0 |
|
|
|
|
17786 |
8415 |
product |
19748 |
A |
10 |
|
|
0 |
|
|
|
|
17789 |
8419 |
product |
19751 |
A |
10 |
|
|
0 |
|
|
|
|
17792 |
8425 |
product |
19754 |
A |
10 |
|
|
0 |
|
|
|
|
17795 |
8426 |
product |
19757 |
A |
10 |
|
|
0 |
|
|
|
|
17799 |
8427 |
product |
19761 |
A |
10 |
|
|
0 |
|
|
|
|
17803 |
8428 |
product |
19765 |
A |
10 |
|
|
0 |
|
|
|
|
17807 |
8429 |
product |
19769 |
A |
10 |
|
|
0 |
|
|
|
|
17810 |
8430 |
product |
19772 |
A |
10 |
|
|
0 |
|
|
|
|
17813 |
8431 |
product |
19775 |
A |
10 |
|
|
0 |
|
|
|
|
17816 |
8432 |
product |
19778 |
A |
10 |
|
|
0 |
|
|
|
|
17819 |
8435 |
product |
19781 |
A |
10 |
|
|
0 |
|
|
|
|
17822 |
8436 |
product |
19784 |
A |
10 |
|
|
0 |
|
|
|
|
17825 |
8438 |
product |
19787 |
A |
10 |
|
|
0 |
|
|
|
|
17778 |
8410 |
product |
19740 |
A |
20 |
|
|
0 |
|
|
|
|
17781 |
8412 |
product |
19743 |
A |
20 |
|
|
0 |
|
|
|
|
17784 |
8414 |
product |
19746 |
A |
20 |
|
|
0 |
|
|
|
|
17787 |
8415 |
product |
19749 |
A |
20 |
|
|
0 |
|
|
|
|
17790 |
8419 |
product |
19752 |
A |
20 |
|
|
0 |
|
|
|
|
17793 |
8425 |
product |
19755 |
A |
20 |
|
|
0 |
|
|
|
|
17796 |
8426 |
product |
19758 |
A |
20 |
|
|
0 |
|
|
|
|
17800 |
8427 |
product |
19762 |
A |
20 |
|
|
0 |
|
|
|
|
17804 |
8428 |
product |
19766 |
A |
20 |
|
|
0 |
|
|
|
|
17808 |
8429 |
product |
19770 |
A |
20 |
|
|
0 |
|
|
|
|
17811 |
8430 |
product |
19773 |
A |
20 |
|
|
0 |
|
|
|
|
17814 |
8431 |
product |
19776 |
A |
20 |
|
|
0 |
|
|
|
|
17817 |
8432 |
product |
19779 |
A |
20 |
|
|
0 |
|
|
|
|
17820 |
8435 |
product |
19782 |
A |
20 |
|
|
0 |
|
|
|
|
17823 |
8436 |
product |
19785 |
A |
20 |
|
|
0 |
|
|
|
|
17826 |
8438 |
product |
19788 |
A |
20 |
|
|
0 |
|
|
|
|
17797 |
8426 |
product |
19759 |
A |
30 |
|
|
0 |
|
|
|
|
17801 |
8427 |
product |
19763 |
A |
30 |
|
|
0 |
|
|
|
|
17805 |
8428 |
product |
19767 |
A |
30 |
|
|