Query time 0.00098
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "84.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "15.00"
},
"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": 15,
"rows_produced_per_join": 15,
"filtered": "100.00",
"index_condition": "((`eshopuga_upgr_4122`.`cscart_images_links`.`object_type` = 'product') and (`eshopuga_upgr_4122`.`cscart_images_links`.`type` = 'M') and (`eshopuga_upgr_4122`.`cscart_images_links`.`object_id` in (801,802,1091,658,1517,671,1561,1581,630,627,666,674)))",
"cost_info": {
"read_cost": "30.01",
"eval_cost": "3.00",
"prefix_cost": "33.01",
"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": [
"eshopuga_upgr_4122.cscart_images_links.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 15,
"filtered": "100.00",
"cost_info": {
"read_cost": "15.00",
"eval_cost": "3.00",
"prefix_cost": "51.01",
"data_read_per_join": "11K"
},
"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": "107",
"ref": [
"eshopuga_upgr_4122.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 15,
"filtered": "100.00",
"cost_info": {
"read_cost": "15.00",
"eval_cost": "3.00",
"prefix_cost": "69.01",
"data_read_per_join": "8K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
],
"attached_condition": "<if>(is_not_null_compl(cscart_common_descriptions), (`eshopuga_upgr_4122`.`cscart_common_descriptions`.`object_id` = `eshopuga_upgr_4122`.`cscart_images`.`image_id`), true)"
}
}
]
}
}
}
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 |
|
|
|
|
1950 |
627 |
product |
2068 |
M |
0 |
|
|
0 |
|
|
|
|
1953 |
630 |
product |
2071 |
M |
0 |
|
|
0 |
|
|
|
|
1981 |
658 |
product |
2099 |
M |
0 |
|
|
0 |
|
|
|
|
1989 |
666 |
product |
2107 |
M |
0 |
|
|
0 |
|
|
|
|
1994 |
671 |
product |
2112 |
M |
0 |
|
|
0 |
|
|
|
|
1997 |
674 |
product |
2115 |
M |
0 |
|
|
0 |
|
|
|
|
2124 |
801 |
product |
2242 |
M |
0 |
|
|
0 |
|
|
|
|
2125 |
802 |
product |
2243 |
M |
0 |
|
|
0 |
|
|
|
|
2445 |
1091 |
product |
2563 |
M |
0 |
|
|
0 |
|
|
|
|
2883 |
1517 |
product |
3001 |
M |
0 |
|
|
0 |
|
|
|
|
2960 |
1561 |
product |
3078 |
M |
0 |
|
|
0 |
|
|
|
|
2980 |
1581 |
product |
3098 |
M |
0 |
|
|