Query time 0.00088
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "45.41"
},
"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": "((`webmarco`.`cscart_images_links`.`object_type` = 'product') and (`webmarco`.`cscart_images_links`.`type` = 'M') and (`webmarco`.`cscart_images_links`.`object_id` in (225081,225082,225083,225084,225085,225086,225087)))",
"cost_info": {
"read_cost": "16.61",
"eval_cost": "1.60",
"prefix_cost": "18.21",
"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": [
"webmarco.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "8.00",
"eval_cost": "1.60",
"prefix_cost": "27.81",
"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": [
"webmarco.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "8.00",
"eval_cost": "1.60",
"prefix_cost": "37.41",
"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 |
blu7.jpeg |
800 |
600 |
N |
1107811 |
225081 |
product |
255477 |
M |
1 |
|
255477 |
0 |
blu7_kw0j-hv.jpeg |
800 |
600 |
N |
1107813 |
225082 |
product |
255479 |
M |
1 |
|
255479 |
0 |
blu7_aynf-r1.jpeg |
800 |
600 |
N |
1107815 |
225083 |
product |
255481 |
M |
1 |
|
255481 |
0 |
blu7_9e1a-vr.jpeg |
800 |
600 |
N |
1107817 |
225084 |
product |
255483 |
M |
1 |
|
255483 |
0 |
blu7_sis4-oz.jpeg |
800 |
600 |
N |
1107819 |
225085 |
product |
255485 |
M |
1 |
|
255485 |
0 |
blu7_k0xm-pk.jpeg |
800 |
600 |
N |
1107821 |
225086 |
product |
255487 |
M |
1 |
|
255487 |
0 |
blu7_h6ss-tz.jpeg |
800 |
600 |
N |
1107823 |
225086 |
product |
255489 |
M |
1 |
|
255489 |
0 |
blu7_r7tf-h7.jpeg |
800 |
600 |
N |
1107825 |
225087 |
product |
255491 |
M |
1 |
|
255491 |