Query time 0.00107
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "131.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "24.00"
},
"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": 24,
"rows_produced_per_join": 24,
"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 ('9219','9220','9221','9222','9223','9224','9225','9226','9227','9228','9229','9230','9231','9232','9233','9234')))",
"cost_info": {
"read_cost": "44.81",
"eval_cost": "4.80",
"prefix_cost": "49.61",
"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": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "78.41",
"data_read_per_join": "18K"
},
"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": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "107.21",
"data_read_per_join": "14K"
},
"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 |
link2.jpg |
700 |
700 |
N |
20042 |
9219 |
product |
22004 |
M |
0 |
|
22004 |
0 |
tb1.png |
700 |
700 |
N |
20043 |
9220 |
product |
22005 |
M |
0 |
|
22005 |
0 |
CM034674_LS1_03287ce2-b804-44c5-aee2-6dff58f9b6b1.jpg |
800 |
800 |
N |
20044 |
9221 |
product |
22006 |
M |
0 |
|
22006 |
0 |
CM034674_LS1.jpg |
800 |
800 |
N |
20045 |
9222 |
product |
22007 |
M |
0 |
|
22007 |
0 |
CM-CM032905.jpg |
569 |
569 |
N |
20046 |
9223 |
product |
22008 |
M |
0 |
|
22008 |
0 |
cmi_iphone_8_waterfall_iridesecnt_1.png |
700 |
700 |
N |
20048 |
9225 |
product |
22010 |
M |
0 |
|
22010 |
0 |
CM034698_LS.jpg |
800 |
800 |
N |
20051 |
9228 |
product |
22013 |
M |
0 |
|
22013 |
0 |
CM034700_LS.jpg |
800 |
800 |
N |
20052 |
9229 |
product |
22014 |
M |
0 |
|
22014 |
0 |
CM034704_LS.jpg |
800 |
800 |
N |
20054 |
9231 |
product |
22016 |
M |
0 |
|
22016 |
0 |
CM034706_LS.jpg |
800 |
800 |
N |
20055 |
9232 |
product |
22017 |
M |
0 |
|
22017 |
0 |
CM034748_LS.jpg |
800 |
800 |
N |
20056 |
9233 |
product |
22018 |
M |
0 |
|
22018 |
0 |
CM034680_1_51b34652-ff25-4ce7-b4b6-f2d5f60a81bd.jpg |
800 |
800 |
N |
20057 |
9234 |
product |
22019 |
M |
0 |
|
22019 |
0 |
CM034702_LS.jpg |
800 |
800 |
N |
20053 |
9230 |
product |
22015 |
M |
1 |
|
22015 |
0 |
61GcFYmbCZL._SL1001_.jpg |
1001 |
1001 |
N |
21183 |
9224 |
product |
23145 |
M |
1 |
|
23145 |
0 |
71aM49qeC3L._SL1024_.jpg |
1024 |
1024 |
N |
21184 |
9227 |
product |
23146 |
M |
1 |
|
23146 |
0 |
GRCMIP7NKWA-lifestyle.jpg |
600 |
380 |
N |
80464 |
9226 |
product |
82407 |
M |
1 |
|
82407 |