Query time 0.00268
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "21.43"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "4.00"
},
"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": 4,
"rows_produced_per_join": 4,
"filtered": "100.00",
"index_condition": "((`maniamall_cscart`.`cscart_images_links`.`object_type` = 'product') and (`maniamall_cscart`.`cscart_images_links`.`type` = 'M') and (`maniamall_cscart`.`cscart_images_links`.`object_id` in (1117699,1117647,1025931,1162796)))",
"cost_info": {
"read_cost": "8.31",
"eval_cost": "0.40",
"prefix_cost": "8.71",
"data_read_per_join": "384"
},
"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": 4,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.98",
"eval_cost": "0.40",
"prefix_cost": "13.09",
"data_read_per_join": "3K"
},
"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": 4,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.94",
"eval_cost": "0.40",
"prefix_cost": "17.43",
"data_read_per_join": "2K"
},
"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 |
| 1581009 |
1025931 |
product |
0 |
1581246 |
M |
0 |
disc-frana-diametru-180mm-material-otel-inoxidab---mto-bsp07311-.jpg |
|
800 |
800 |
1581246 |
| 1762677 |
1117647 |
product |
0 |
1762916 |
M |
0 |
ghidaj-cablu-frana---90---mto-r500355-.jpg |
|
241 |
173 |
1762916 |
| 1762731 |
1117699 |
product |
0 |
1762970 |
M |
0 |
saboti-imbus-70mm---mto-r50161-.jpg |
|
220 |
164 |
1762970 |
| 1870362 |
1162796 |
product |
0 |
1870614 |
M |
0 |
placute-frana---mto-bsp0745-.jpg |
|
720 |
355 |
1870614 |