Query time 0.00079
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "21.36"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "9.00"
},
"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": 9,
"rows_produced_per_join": 9,
"filtered": "100.00",
"index_condition": "((`test2_gaseus`.`cscart_images_links`.`object_type` = 'product') and (`test2_gaseus`.`cscart_images_links`.`type` = 'M') and (`test2_gaseus`.`cscart_images_links`.`object_id` in (12714,12724,12734,12719,12715,12716,12717,12718)))",
"cost_info": {
"read_cost": "5.16",
"eval_cost": "0.90",
"prefix_cost": "6.06",
"data_read_per_join": "864"
},
"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": [
"test2_gaseus.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.25",
"eval_cost": "0.90",
"prefix_cost": "9.21",
"data_read_per_join": "6K"
},
"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": [
"test2_gaseus.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.25",
"eval_cost": "0.90",
"prefix_cost": "12.36",
"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 |
1380098192-13835_600x600_2x.jpg |
500 |
334 |
N |
12186 |
12714 |
product |
15669 |
M |
0 |
|
15669 |
| 0 |
1380098192-13835_600x600_2x_v96j-kb.jpg |
500 |
334 |
N |
12187 |
12715 |
product |
15670 |
M |
0 |
|
15670 |
| 0 |
1380098192-13835_600x600_2x_i5gw-xd.jpg |
500 |
334 |
N |
12188 |
12716 |
product |
15671 |
M |
0 |
|
15671 |
| 0 |
1380098192-13835_600x600_2x_tbys-k8.jpg |
500 |
334 |
N |
12189 |
12717 |
product |
15672 |
M |
0 |
|
15672 |
| 0 |
1380098192-13835_600x600_2x_amsd-9o.jpg |
500 |
334 |
N |
12190 |
12718 |
product |
15673 |
M |
0 |
|
15673 |
| 0 |
1380098192-13835_600x600_2x_ykyl-ic.jpg |
500 |
334 |
N |
12191 |
12719 |
product |
15674 |
M |
0 |
|
15674 |
| 0 |
1380522728-22669_600x600_2x.jpg |
500 |
334 |
N |
12196 |
12724 |
product |
15679 |
M |
0 |
|
15679 |
| 0 |
1380522728-22669_600x600_2x_qkj1-l6.jpg |
500 |
334 |
N |
12206 |
12734 |
product |
15689 |
M |
0 |
|
15689 |