Query time 0.00083
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "270.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "53.00"
},
"nested_loop": [
{
"table": {
"table_name": "q_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": 53,
"rows_produced_per_join": 53,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'M') and (`portal`.`q_images_links`.`object_id` in ('37537','37538','37539','37540','37541','37542','37543','37544','37545','37546','37547','37548','37549','37550','37551','37552')))",
"cost_info": {
"read_cost": "79.61",
"eval_cost": "10.60",
"prefix_cost": "90.21",
"data_read_per_join": "4K"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"image_id",
"detailed_id",
"type",
"position"
]
}
},
{
"table": {
"table_name": "q_images",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"image_id"
],
"key_length": "4",
"ref": [
"portal.q_images_links.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 53,
"filtered": "100.00",
"cost_info": {
"read_cost": "53.00",
"eval_cost": "10.60",
"prefix_cost": "153.81",
"data_read_per_join": "40K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"table": {
"table_name": "q_common_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"lang_code",
"object_holder"
],
"key_length": "107",
"ref": [
"portal.q_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 53,
"filtered": "100.00",
"cost_info": {
"read_cost": "53.00",
"eval_cost": "10.60",
"prefix_cost": "217.41",
"data_read_per_join": "31K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
],
"attached_condition": "<if>(is_not_null_compl(q_common_descriptions), (`portal`.`q_common_descriptions`.`object_id` = `portal`.`q_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 |
|
|
|
|
62361 |
37541 |
product |
64317 |
M |
0 |
|
|
0 |
|
|
|
|
62900 |
37544 |
product |
64856 |
M |
0 |
|
|
0 |
|
|
|
|
62901 |
37545 |
product |
64857 |
M |
0 |
|
|
0 |
|
|
|
|
62902 |
37546 |
product |
64858 |
M |
0 |
|
|
0 |
|
|
|
|
62903 |
37547 |
product |
64859 |
M |
0 |
|
|
0 |
|
|
|
|
62905 |
37548 |
product |
64861 |
M |
0 |
|
|
0 |
|
|
|
|
62906 |
37549 |
product |
64862 |
M |
0 |
|
|
0 |
|
|
|
|
62908 |
37550 |
product |
64864 |
M |
0 |
|
|
0 |
|
|
|
|
62909 |
37551 |
product |
64865 |
M |
0 |
|
|
0 |
|
|
|
|
62918 |
37552 |
product |
64874 |
M |
0 |
|
|
0 |
|
|
|
|
63040 |
37539 |
product |
64996 |
M |
0 |
|
|
0 |
|
|
|
|
63041 |
37540 |
product |
64997 |
M |
0 |
|
|
0 |
|
|
|
|
63042 |
37543 |
product |
64998 |
M |
0 |
|
|