Query time 0.00086
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "63.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "12.00"
},
"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": 12,
"rows_produced_per_join": 12,
"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 ('51141','50647','34284','34374','29196','29360')))",
"cost_info": {
"read_cost": "20.41",
"eval_cost": "2.40",
"prefix_cost": "22.81",
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 12,
"filtered": "100.00",
"cost_info": {
"read_cost": "12.00",
"eval_cost": "2.40",
"prefix_cost": "37.21",
"data_read_per_join": "9K"
},
"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": 12,
"filtered": "100.00",
"cost_info": {
"read_cost": "12.00",
"eval_cost": "2.40",
"prefix_cost": "51.61",
"data_read_per_join": "7K"
},
"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 |
813oF-FY01L._SL1500_.jpg |
857 |
1500 |
N |
42225 |
29196 |
product |
44187 |
M |
0 |
|
44187 |
0 |
41MoDZVYN-L.jpg |
474 |
500 |
N |
44791 |
29360 |
product |
46753 |
M |
0 |
|
46753 |
0 |
a5647ef8df067dd3742bc7d92e73e9dd.jpg |
800 |
800 |
N |
55613 |
34284 |
product |
57574 |
M |
0 |
|
57574 |
0 |
1771f88c10f0fb340125d5be78755398.jpg |
137 |
140 |
N |
55703 |
34374 |
product |
57664 |
M |
0 |
|
57664 |
0 |
default_lzgt-04.jpg |
800 |
800 |
N |
86359 |
50647 |
product |
85751 |
M |
0 |
|
85751 |
0 |
63-1.jpg |
640 |
640 |
N |
87678 |
51141 |
product |
87060 |
M |
0 |
|
87060 |