Query time 0.00095
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "14.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "6.00"
},
"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": 6,
"rows_produced_per_join": 6,
"filtered": "100.00",
"index_condition": "((`dev_yourmart_co_bw`.`cscart_images_links`.`object_type` = 'product') and (`dev_yourmart_co_bw`.`cscart_images_links`.`type` = 'M') and (`dev_yourmart_co_bw`.`cscart_images_links`.`object_id` in (11776,11775,2852,11774,2851,11773)))",
"cost_info": {
"read_cost": "3.61",
"eval_cost": "0.60",
"prefix_cost": "4.21",
"data_read_per_join": "576"
},
"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": [
"dev_yourmart_co_bw.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.50",
"eval_cost": "0.60",
"prefix_cost": "6.31",
"data_read_per_join": "4K"
},
"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": [
"dev_yourmart_co_bw.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.50",
"eval_cost": "0.60",
"prefix_cost": "8.41",
"data_read_per_join": "3K"
},
"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 |
BK_Proctor_White_Shorts.png |
312 |
308 |
N |
3955 |
2851 |
product |
4774 |
M |
0 |
|
4774 |
0 |
BKProctorblackshorts.png |
324 |
320 |
N |
3956 |
2852 |
product |
4775 |
M |
0 |
|
4775 |
0 |
BK_Proctor_White_Shorts.png |
312 |
308 |
N |
11675 |
11773 |
product |
4774 |
M |
0 |
|
4774 |
0 |
BK_Proctor_White_Shorts.png |
312 |
308 |
N |
11676 |
11774 |
product |
4774 |
M |
0 |
|
4774 |
0 |
BKProctorblackshorts.png |
324 |
320 |
N |
11677 |
11775 |
product |
4775 |
M |
0 |
|
4775 |
0 |
BKProctorblackshorts.png |
324 |
320 |
N |
11678 |
11776 |
product |
4775 |
M |
0 |
|
4775 |