Query time 0.00103
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "19.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "8.00"
},
"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": 8,
"rows_produced_per_join": 8,
"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 (12654,12674,12664,12659,12658,12656,12657,12655)))",
"cost_info": {
"read_cost": "4.81",
"eval_cost": "0.80",
"prefix_cost": "5.61",
"data_read_per_join": "768"
},
"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": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.00",
"eval_cost": "0.80",
"prefix_cost": "8.41",
"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": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.00",
"eval_cost": "0.80",
"prefix_cost": "11.21",
"data_read_per_join": "4K"
},
"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 |
1380006508-15716-1_600x600_2x.jpg |
500 |
255 |
N |
12126 |
12654 |
product |
15609 |
M |
0 |
|
15609 |
| 0 |
1380006508-15716-1_600x600_2x_53rk-mi.jpg |
500 |
255 |
N |
12127 |
12655 |
product |
15610 |
M |
0 |
|
15610 |
| 0 |
1380006508-15716-1_600x600_2x_ezsp-ed.jpg |
500 |
255 |
N |
12128 |
12656 |
product |
15611 |
M |
0 |
|
15611 |
| 0 |
1380006508-15716-1_600x600_2x_f6x4-qz.jpg |
500 |
255 |
N |
12129 |
12657 |
product |
15612 |
M |
0 |
|
15612 |
| 0 |
1380006508-15716-1_600x600_2x_nqau-nx.jpg |
500 |
255 |
N |
12130 |
12658 |
product |
15613 |
M |
0 |
|
15613 |
| 0 |
1380006508-15716-1_600x600_2x_mwvn-vh.jpg |
500 |
255 |
N |
12131 |
12659 |
product |
15614 |
M |
0 |
|
15614 |
| 0 |
1380016986-4514_600x600_2x.jpg |
500 |
255 |
N |
12136 |
12664 |
product |
15619 |
M |
0 |
|
15619 |
| 0 |
1380016986-4514_600x600_2x_71g1-4m.jpg |
500 |
255 |
N |
12146 |
12674 |
product |
15629 |
M |
0 |
|
15629 |