Query time 0.00142
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "147.81"
},
"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 ('45784','45785','45787','45811','45812','45822','45823','45824','45825','45826','45830','45714','45715','45720','45725','45727','45733','45746','45749','45756','45764','45765','45768')))",
"cost_info": {
"read_cost": "54.21",
"eval_cost": "5.20",
"prefix_cost": "59.41",
"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.image_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": "90.61",
"data_read_per_join": "19K"
},
"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": 26,
"filtered": "100.00",
"cost_info": {
"read_cost": "26.00",
"eval_cost": "5.20",
"prefix_cost": "121.81",
"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 |
|
|
|
|
72759 |
45715 |
product |
74710 |
M |
0 |
|
|
0 |
|
|
|
|
72785 |
45746 |
product |
74736 |
M |
0 |
|
|
0 |
|
|
|
|
73176 |
45784 |
product |
75127 |
M |
0 |
|
|
0 |
|
|
|
|
73178 |
45785 |
product |
75129 |
M |
0 |
|
|
0 |
|
|
|
|
73958 |
45714 |
product |
75903 |
M |
0 |
|
|
0 |
|
|
|
|
74098 |
45725 |
product |
76041 |
M |
0 |
|
|
0 |
|
|
|
|
74100 |
45727 |
product |
76043 |
M |
0 |
|
|
0 |
|
|
|
|
75322 |
45822 |
product |
77265 |
M |
0 |
|
|
0 |
|
|
|
|
75328 |
45823 |
product |
77271 |
M |
0 |
|
|
0 |
|
|
|
|
75330 |
45824 |
product |
77273 |
M |
0 |
|
|
0 |
|
|
|
|
75331 |
45825 |
product |
77274 |
M |
0 |
|
|
0 |
|
|
|
|
75356 |
45720 |
product |
77299 |
M |
0 |
|
|
0 |
|
|
|
|
75365 |
45733 |
product |
77308 |
M |
0 |
|
|
0 |
|
|
|
|
75442 |
45764 |
product |
77385 |
M |
0 |
|
|
0 |
|
|
|
|
75455 |
45768 |
product |
77398 |
M |
0 |
|
|
0 |
|
|
|
|
75466 |
45830 |
product |
77409 |
M |
0 |
|
|
0 |
|
|
|
|
75483 |
45826 |
product |
77426 |
M |
0 |
|
|
0 |
|
|
|
|
75501 |
45812 |
product |
77444 |
M |
0 |
|
|
0 |
|
|
|
|
75502 |
45811 |
product |
77445 |
M |
0 |
|
|
0 |
|
|
|
|
77249 |
45787 |
product |
79192 |
M |
0 |
|
|
0 |
|
|
|
|
78430 |
45749 |
product |
80373 |
M |
0 |
|
|
0 |
|
|
|
|
82121 |
45765 |
product |
84064 |
M |
0 |
|
|
0 |
|
|
|
|
82172 |
45756 |
product |
84115 |
M |
0 |
|
|