Query time 0.00181
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "139.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "24.00"
},
"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": 24,
"rows_produced_per_join": 24,
"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 (456,461,450,452,460,466,464,455,454,453,331,459,444,446,457,447,451,467,462,458,465,445,449,448)))",
"cost_info": {
"read_cost": "52.81",
"eval_cost": "4.80",
"prefix_cost": "57.61",
"data_read_per_join": "2K"
},
"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": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "86.41",
"data_read_per_join": "18K"
},
"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": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "115.21",
"data_read_per_join": "14K"
},
"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 |
|
|
|
|
1611 |
331 |
product |
1729 |
M |
0 |
|
|
0 |
|
|
|
|
1741 |
444 |
product |
1859 |
M |
0 |
|
|
0 |
|
|
|
|
1742 |
445 |
product |
1860 |
M |
0 |
|
|
0 |
|
|
|
|
1743 |
446 |
product |
1861 |
M |
0 |
|
|
0 |
|
|
|
|
1744 |
447 |
product |
1862 |
M |
0 |
|
|
0 |
|
|
|
|
1745 |
448 |
product |
1863 |
M |
0 |
|
|
0 |
|
|
|
|
1746 |
449 |
product |
1864 |
M |
0 |
|
|
0 |
|
|
|
|
1747 |
450 |
product |
1865 |
M |
0 |
|
|
0 |
|
|
|
|
1748 |
451 |
product |
1866 |
M |
0 |
|
|
0 |
|
|
|
|
1749 |
452 |
product |
1867 |
M |
0 |
|
|
0 |
|
|
|
|
1750 |
453 |
product |
1868 |
M |
0 |
|
|
0 |
|
|
|
|
1751 |
454 |
product |
1869 |
M |
0 |
|
|
0 |
|
|
|
|
1752 |
455 |
product |
1870 |
M |
0 |
|
|
0 |
|
|
|
|
1753 |
456 |
product |
1871 |
M |
0 |
|
|
0 |
|
|
|
|
1754 |
457 |
product |
1872 |
M |
0 |
|
|
0 |
|
|
|
|
1755 |
458 |
product |
1873 |
M |
0 |
|
|
0 |
|
|
|
|
1756 |
459 |
product |
1874 |
M |
0 |
|
|
0 |
|
|
|
|
1757 |
460 |
product |
1875 |
M |
0 |
|
|
0 |
|
|
|
|
1758 |
461 |
product |
1876 |
M |
0 |
|
|
0 |
|
|
|
|
1759 |
462 |
product |
1877 |
M |
0 |
|
|
0 |
|
|
|
|
1761 |
464 |
product |
1879 |
M |
0 |
|
|
0 |
|
|
|
|
1762 |
465 |
product |
1880 |
M |
0 |
|
|
0 |
|
|
|
|
1763 |
466 |
product |
1881 |
M |
0 |
|
|
0 |
|
|
|
|
1764 |
467 |
product |
1882 |
M |
0 |
|
|