Query time 0.00102
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "58.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "10.00"
},
"nested_loop": [
{
"table": {
"table_name": "cscart_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": 10,
"rows_produced_per_join": 10,
"filtered": "100.00",
"index_condition": "((`webmarco`.`cscart_images_links`.`object_type` = 'product') and (`webmarco`.`cscart_images_links`.`type` = 'M') and (`webmarco`.`cscart_images_links`.`object_id` in (431792,431793,431794,431795,431796,431797,431798,431799,431800,431801)))",
"cost_info": {
"read_cost": "22.01",
"eval_cost": "2.00",
"prefix_cost": "24.01",
"data_read_per_join": "960"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"image_id",
"detailed_id",
"type",
"position"
]
}
},
{
"table": {
"table_name": "cscart_images",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"image_id"
],
"key_length": "4",
"ref": [
"webmarco.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.00",
"eval_cost": "2.00",
"prefix_cost": "36.01",
"data_read_per_join": "7K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"table": {
"table_name": "cscart_common_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"lang_code",
"object_holder"
],
"key_length": "108",
"ref": [
"webmarco.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.00",
"eval_cost": "2.00",
"prefix_cost": "48.01",
"data_read_per_join": "5K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
]
}
}
]
}
}
}
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 |
produts_img_600__39_.png |
600 |
600 |
N |
3871786 |
431792 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871787 |
431793 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871788 |
431794 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871789 |
431795 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871790 |
431796 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871791 |
431797 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871792 |
431798 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871793 |
431799 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871794 |
431800 |
product |
1543524 |
M |
0 |
|
1543524 |
0 |
produts_img_600__39_.png |
600 |
600 |
N |
3871795 |
431801 |
product |
1543524 |
M |
0 |
|
1543524 |