Query time 0.00143
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "404.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "78.00"
},
"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": 78,
"rows_produced_per_join": 78,
"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 ('29790','29793','29794','29796','29800','29801','29806','29813','29818','29825','29829','29832','29833','29834','29835','29836','29838','29843','29849','29850','29852','29854','29860','29862','29864','29876','29878','29904','29905','30349')))",
"cost_info": {
"read_cost": "123.61",
"eval_cost": "15.60",
"prefix_cost": "139.21",
"data_read_per_join": "7K"
},
"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": 78,
"filtered": "100.00",
"cost_info": {
"read_cost": "78.00",
"eval_cost": "15.60",
"prefix_cost": "232.81",
"data_read_per_join": "59K"
},
"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": 78,
"filtered": "100.00",
"cost_info": {
"read_cost": "78.00",
"eval_cost": "15.60",
"prefix_cost": "326.41",
"data_read_per_join": "46K"
},
"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 |
|
|
|
|
47271 |
29836 |
product |
49233 |
M |
0 |
|
|
0 |
|
|
|
|
47273 |
29835 |
product |
49235 |
M |
0 |
|
|
0 |
|
|
|
|
47275 |
29834 |
product |
49237 |
M |
0 |
|
|
0 |
|
|
|
|
47277 |
29833 |
product |
49239 |
M |
0 |
|
|
0 |
|
|
|
|
47284 |
29829 |
product |
49246 |
M |
0 |
|
|
0 |
|
|
|
|
47288 |
29825 |
product |
49250 |
M |
0 |
|
|
0 |
|
|
|
|
47297 |
29818 |
product |
49259 |
M |
0 |
|
|
0 |
|
|
|
|
47321 |
29806 |
product |
49283 |
M |
0 |
|
|
0 |
|
|
|
|
47328 |
29801 |
product |
49290 |
M |
0 |
|
|
0 |
|
|
|
|
47337 |
29796 |
product |
49299 |
M |
0 |
|
|
0 |
|
|
|
|
47341 |
29794 |
product |
49303 |
M |
0 |
|
|
0 |
|
|
|
|
47342 |
29793 |
product |
49304 |
M |
0 |
|
|
0 |
|
|
|
|
47355 |
29878 |
product |
49317 |
M |
0 |
|
|
0 |
|
|
|
|
47358 |
29876 |
product |
49320 |
M |
0 |
|
|
0 |
|
|
|
|
47380 |
29864 |
product |
49342 |
M |
0 |
|
|
0 |
|
|
|
|
47382 |
29862 |
product |
49344 |
M |
0 |
|
|
0 |
|
|
|
|
47384 |
29860 |
product |
49346 |
M |
0 |
|
|
0 |
|
|
|
|
47390 |
29854 |
product |
49352 |
M |
0 |
|
|
0 |
|
|
|
|
47392 |
29852 |
product |
49354 |
M |
0 |
|
|
0 |
|
|
|
|
47394 |
29850 |
product |
49356 |
M |
0 |
|
|
0 |
|
|
|
|
47395 |
29849 |
product |
49357 |
M |
0 |
|
|
0 |
|
|
|
|
47401 |
29843 |
product |
49363 |
M |
0 |
|
|
0 |
|
|
|
|
47404 |
29832 |
product |
49366 |
M |
0 |
|
|
0 |
|
|
|
|
47418 |
29905 |
product |
49380 |
M |
0 |
|
|
0 |
|
|
|
|
47733 |
29790 |
product |
49694 |
M |
0 |
|
|
0 |
|
|
|
|
48559 |
30349 |
product |
50520 |
M |
0 |
|
|
0 |
|
|
|
|
52787 |
29800 |
product |
54748 |
M |
0 |
|
|
0 |
|
|
|
|
53179 |
29813 |
product |
55140 |
M |
0 |
|
|
0 |
|
|
|
|
81243 |
29838 |
product |
83186 |
M |
0 |
|
|
0 |
|
|
|
|
81513 |
29904 |
product |
83456 |
M |
0 |
|
|