Query time 0.00105
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "140.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "26.00"
},
"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": 26,
"rows_produced_per_join": 26,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'M') and (`portal`.`q_images_links`.`object_id` in ('30816','30817','30818','30819','30820','30821','30822','30823','30824','30825','30826','30827','30828','30829','30830','30831')))",
"cost_info": {
"read_cost": "47.21",
"eval_cost": "5.20",
"prefix_cost": "52.41",
"data_read_per_join": "2K"
},
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 26,
"filtered": "100.00",
"cost_info": {
"read_cost": "26.00",
"eval_cost": "5.20",
"prefix_cost": "83.61",
"data_read_per_join": "19K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
],
"attached_condition": "<if>(is_not_null_compl(q_images), (`portal`.`q_images_links`.`detailed_id` = `portal`.`q_images`.`image_id`), true)"
}
},
{
"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": 26,
"filtered": "100.00",
"cost_info": {
"read_cost": "26.00",
"eval_cost": "5.20",
"prefix_cost": "114.81",
"data_read_per_join": "15K"
},
"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 |
71hhxQaDpGL._SL1024_.jpg |
1024 |
1024 |
N |
49419 |
30831 |
product |
51380 |
M |
0 |
|
51380 |
0 |
51RKHwP3ZcL._SL1000_.jpg |
1000 |
1000 |
N |
49420 |
30830 |
product |
51381 |
M |
0 |
|
51381 |
0 |
61mbf-d6pwL._SL1024_.jpg |
1024 |
1024 |
N |
49425 |
30829 |
product |
51386 |
M |
0 |
|
51386 |
0 |
61VWRNUxQ4L._SL1000_.jpg |
1000 |
1000 |
N |
49426 |
30828 |
product |
51387 |
M |
0 |
|
51387 |
0 |
71-wPin8csL._SL1000_.jpg |
1000 |
1000 |
N |
49429 |
30827 |
product |
51390 |
M |
0 |
|
51390 |
0 |
61OoJ5OdnmL._SL1000_.jpg |
1000 |
1000 |
N |
49435 |
30826 |
product |
51396 |
M |
0 |
|
51396 |
0 |
61Z6_4IXmbL._SL1000_.jpg |
1000 |
1000 |
N |
49437 |
30825 |
product |
51398 |
M |
0 |
|
51398 |
0 |
611CQ_P5YfL._SL1024_.jpg |
1024 |
1024 |
N |
49439 |
30824 |
product |
51400 |
M |
0 |
|
51400 |
0 |
71Bw3l03waL._SL1000_.jpg |
1000 |
1000 |
N |
49441 |
30823 |
product |
51402 |
M |
0 |
|
51402 |
0 |
611FaWTXNNL._SL1000_.jpg |
1000 |
1000 |
N |
49443 |
30822 |
product |
51404 |
M |
0 |
|
51404 |
0 |
71NGH8ooi5L._SL1000_.jpg |
1000 |
1000 |
N |
49446 |
30821 |
product |
51407 |
M |
0 |
|
51407 |
0 |
51qvMmi1MfL._SL1024_.jpg |
1024 |
1024 |
N |
49449 |
30819 |
product |
51410 |
M |
0 |
|
51410 |
0 |
61TSPQ_HGWL._SL1000_.jpg |
1000 |
1000 |
N |
49451 |
30818 |
product |
51412 |
M |
0 |
|
51412 |
0 |
61fbaJtCSdL._SL1024_.jpg |
1024 |
1024 |
N |
49453 |
30817 |
product |
51414 |
M |
0 |
|
51414 |
0 |
712TatZLNzL._SL1000_.jpg |
1000 |
1000 |
N |
49455 |
30816 |
product |
51416 |
M |
0 |
|
51416 |
0 |
swim_ring_web.jpg |
640 |
626 |
N |
57023 |
30820 |
product |
58983 |
M |
0 |
|
58983 |