Query time 0.00237
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "35.66"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "16.00"
},
"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": 16,
"rows_produced_per_join": 16,
"filtered": "100.00",
"index_condition": "((`s2cart`.`cscart_images_links`.`object_type` = 'logos') and (`s2cart`.`cscart_images_links`.`type` = 'M') and (`s2cart`.`cscart_images_links`.`object_id` in (1319,2465,2466,2467,2468)))",
"cost_info": {
"read_cost": "6.86",
"eval_cost": "1.60",
"prefix_cost": "8.46",
"data_read_per_join": "1K"
},
"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": [
"s2cart.cscart_images_links.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "4.00",
"eval_cost": "1.60",
"prefix_cost": "14.06",
"data_read_per_join": "12K"
},
"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": [
"s2cart.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "4.00",
"eval_cost": "1.60",
"prefix_cost": "19.66",
"data_read_per_join": "9K"
},
"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 |
337864 |
stock2kart_logo.png |
531 |
96 |
N |
335499 |
1319 |
logos |
0 |
M |
0 |
|
337864 |
339011 |
2_a84p-0c.png |
1563 |
438 |
N |
336646 |
2465 |
logos |
0 |
M |
0 |
|
339011 |
339012 |
favicon_fzv3-lh.ico |
16 |
16 |
N |
336647 |
2466 |
logos |
0 |
M |
0 |
|
339012 |
339013 |
2_7clt-y1.png |
1563 |
438 |
N |
336648 |
2467 |
logos |
0 |
M |
0 |
|
339013 |
339014 |
3.png |
782 |
219 |
Y |
336649 |
2468 |
logos |
0 |
M |
0 |
|
339014 |