Query time 0.00128
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "202.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "36.00"
},
"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": 36,
"rows_produced_per_join": 36,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'A') and (`portal`.`q_images_links`.`object_id` in ('37553','37554','37555','37557','37558','37559','37560','37561','37562','37563','37820','37821','37822','37823','37824','37825','37826','37827','37832','37833','37850','37858','37862','37864','37867','37868','37869','37872','37873','37874')))",
"cost_info": {
"read_cost": "73.21",
"eval_cost": "7.20",
"prefix_cost": "80.41",
"data_read_per_join": "3K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "123.61",
"data_read_per_join": "27K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "166.81",
"data_read_per_join": "21K"
},
"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 |
61dgnWILXuL._SL1200_.jpg |
1200 |
1200 |
N |
62115 |
37822 |
product |
64071 |
A |
1 |
|
64071 |
0 |
61M_T8yCaZL._SL1500_.jpg |
590 |
1500 |
N |
62633 |
37864 |
product |
64589 |
A |
1 |
|
64589 |
0 |
45941_Goldea_The_Roman_Night_75ml_EDP___75ml_BL___75ml_SG___Pouch_0783320459412.jpg |
350 |
251 |
N |
63044 |
37553 |
product |
65000 |
A |
1 |
|
65000 |
0 |
c352d45fa07c2a3d81513eca6e19f84bbb0bd083_Bvlgari_001.jpg |
346 |
346 |
N |
63051 |
37560 |
product |
65007 |
A |
1 |
|
65007 |
0 |
61dN7NpxtnL._SY355_.jpg |
355 |
355 |
N |
63208 |
37858 |
product |
65164 |
A |
1 |
|
65164 |