Query time 0.00065
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "23.93"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "9.00"
},
"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": 9,
"rows_produced_per_join": 9,
"filtered": "100.00",
"index_condition": "((`cscart_db`.`cscart_images_links`.`object_type` = 'product') and (`cscart_db`.`cscart_images_links`.`type` = 'M') and (`cscart_db`.`cscart_images_links`.`object_id` in (25313,25314,25315,25316,25317,25318,25319,25320,25321)))",
"cost_info": {
"read_cost": "5.41",
"eval_cost": "0.90",
"prefix_cost": "6.31",
"data_read_per_join": "864"
},
"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": [
"cscart_db.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "4.57",
"eval_cost": "0.90",
"prefix_cost": "11.78",
"data_read_per_join": "6K"
},
"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": [
"cscart_db.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 9,
"filtered": "100.00",
"index_condition": "<if>(is_not_null_compl(cscart_common_descriptions), (`cscart_db`.`cscart_common_descriptions`.`object_id` = `cscart_db`.`cscart_images`.`image_id`), true)",
"cost_info": {
"read_cost": "2.25",
"eval_cost": "0.90",
"prefix_cost": "14.93",
"data_read_per_join": "5K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
]
}
}
]
}
}
}
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 |
GE25.jpg |
5279 |
5279 |
N |
92751 |
25316 |
product |
94103 |
M |
0 |
|
94103 |
| 0 |
GE40.jpg |
5279 |
5279 |
N |
92774 |
25320 |
product |
94126 |
M |
0 |
|
94126 |
| 0 |
GE10.jpg |
5279 |
5279 |
N |
92736 |
25313 |
product |
94088 |
M |
4 |
|
94088 |
| 0 |
GE15.jpg |
5279 |
5279 |
N |
92741 |
25314 |
product |
94093 |
M |
5 |
|
94093 |
| 0 |
GE20.jpg |
5279 |
5279 |
N |
92746 |
25315 |
product |
94098 |
M |
5 |
|
94098 |
| 0 |
GE30.jpg |
5279 |
5279 |
N |
92754 |
25317 |
product |
94106 |
M |
5 |
|
94106 |
| 0 |
GE35.jpg |
5279 |
5279 |
N |
92759 |
25318 |
product |
94111 |
M |
5 |
|
94111 |
| 0 |
GE36.jpg |
5279 |
5279 |
N |
92764 |
25319 |
product |
94116 |
M |
5 |
|
94116 |
| 0 |
GE50.jpg |
5279 |
5279 |
N |
92769 |
25321 |
product |
94121 |
M |
5 |
|
94121 |