Query time 0.00090
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "9.88"
},
"ordering_operation": {
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "cscart_images_links",
"access_type": "ref",
"possible_keys": [
"object_id"
],
"key": "object_id",
"used_key_parts": [
"object_id",
"object_type",
"type"
],
"key_length": "81",
"ref": [
"const",
"const",
"const"
],
"rows_examined_per_scan": 3,
"rows_produced_per_join": 3,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.99",
"eval_cost": "0.30",
"prefix_cost": "3.29",
"data_read_per_join": "288"
},
"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": "3",
"ref": [
"maniamall_cscart.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 3,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.00",
"eval_cost": "0.30",
"prefix_cost": "6.59",
"data_read_per_join": "2K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y"
],
"attached_condition": "<if>(is_not_null_compl(cscart_images), (`maniamall_cscart`.`cscart_images_links`.`detailed_id` = `maniamall_cscart`.`cscart_images`.`image_id`), true)"
}
},
{
"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": [
"maniamall_cscart.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 3,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.99",
"eval_cost": "0.30",
"prefix_cost": "9.88",
"data_read_per_join": "1K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
],
"attached_condition": "<if>(is_not_null_compl(cscart_common_descriptions), (`maniamall_cscart`.`cscart_common_descriptions`.`object_id` = `maniamall_cscart`.`cscart_images`.`image_id`), true)"
}
}
]
}
}
}
Result
| pair_id |
object_id |
object_type |
image_id |
detailed_id |
type |
position |
image_path |
alt |
image_x |
image_y |
images_image_id |
| 6873037 |
2659440 |
product |
0 |
6873290 |
A |
0 |
Compresor-compact--fara-fir-pentru-umflarea-anvelopelor--120W--culoare-negru_n5qj-ic.jpg |
Compresor compact, fara fir pentru umflarea anvelopelor, 120W, culoare negru |
1147 |
1200 |
6873290 |
| 6873038 |
2659440 |
product |
0 |
6873291 |
A |
0 |
Compresor-compact--fara-fir-pentru-umflarea-anvelopelor--120W--culoare-negru_b2a5-37.jpg |
Compresor compact, fara fir pentru umflarea anvelopelor, 120W, culoare negru |
1193 |
1200 |
6873291 |
| 6873039 |
2659440 |
product |
0 |
6873292 |
A |
0 |
Compresor-compact--fara-fir-pentru-umflarea-anvelopelor--120W--culoare-negru_nswo-i3.jpg |
Compresor compact, fara fir pentru umflarea anvelopelor, 120W, culoare negru |
1200 |
1195 |
6873292 |