Query time 0.00181
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "196.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "36.00"
},
"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": 36,
"rows_produced_per_join": 36,
"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 (421,1930,1931,1529,1465,1932,1962,1933,1935,1958,428,406,390,1929,398,435,419,403,324,440,431,1963,385,405)))",
"cost_info": {
"read_cost": "67.21",
"eval_cost": "7.20",
"prefix_cost": "74.41",
"data_read_per_join": "3K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "117.61",
"data_read_per_join": "27K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "160.81",
"data_read_per_join": "21K"
},
"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 |
|
|
|
|
1602 |
324 |
product |
1720 |
M |
0 |
|
|
0 |
|
|
|
|
1682 |
385 |
product |
1800 |
M |
0 |
|
|
0 |
|
|
|
|
1687 |
390 |
product |
1805 |
M |
0 |
|
|
0 |
|
|
|
|
1695 |
398 |
product |
1813 |
M |
0 |
|
|
0 |
|
|
|
|
1700 |
403 |
product |
1818 |
M |
0 |
|
|
0 |
|
|
|
|
1702 |
405 |
product |
1820 |
M |
0 |
|
|
0 |
|
|
|
|
1703 |
406 |
product |
1821 |
M |
0 |
|
|
0 |
|
|
|
|
1716 |
419 |
product |
1834 |
M |
0 |
|
|
0 |
|
|
|
|
1718 |
421 |
product |
1836 |
M |
0 |
|
|
0 |
|
|
|
|
1725 |
428 |
product |
1843 |
M |
0 |
|
|
0 |
|
|
|
|
1728 |
431 |
product |
1846 |
M |
0 |
|
|
0 |
|
|
|
|
1732 |
435 |
product |
1850 |
M |
0 |
|
|
0 |
|
|
|
|
1737 |
440 |
product |
1855 |
M |
0 |
|
|
0 |
|
|
|
|
2828 |
1465 |
product |
2946 |
M |
0 |
|
|
0 |
|
|
|
|
2925 |
1529 |
product |
3043 |
M |
0 |
|
|
0 |
|
|
|
|
3341 |
1929 |
product |
3459 |
M |
0 |
|
|
0 |
|
|
|
|
3342 |
1930 |
product |
3460 |
M |
0 |
|
|
0 |
|
|
|
|
3343 |
1931 |
product |
3461 |
M |
0 |
|
|
0 |
|
|
|
|
3344 |
1932 |
product |
3462 |
M |
0 |
|
|
0 |
|
|
|
|
3345 |
1933 |
product |
3463 |
M |
0 |
|
|
0 |
|
|
|
|
3347 |
1935 |
product |
3465 |
M |
0 |
|
|
0 |
|
|
|
|
3381 |
1958 |
product |
3499 |
M |
0 |
|
|
0 |
|
|
|
|
3385 |
1962 |
product |
3503 |
M |
0 |
|
|
0 |
|
|
|
|
3386 |
1963 |
product |
3504 |
M |
0 |
|
|