Query time 0.00079
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "56.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "10.00"
},
"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": 10,
"rows_produced_per_join": 10,
"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 ('15202','15423','15820','15822','15827','15828','15830','16638')))",
"cost_info": {
"read_cost": "20.01",
"eval_cost": "2.00",
"prefix_cost": "22.01",
"data_read_per_join": "960"
},
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.00",
"eval_cost": "2.00",
"prefix_cost": "34.01",
"data_read_per_join": "7K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
],
"attached_condition": "<if>(is_not_null_compl(q_images), (`portal`.`q_images_links`.`detailed_id` = `portal`.`q_images`.`image_id`), true)"
}
},
{
"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": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.00",
"eval_cost": "2.00",
"prefix_cost": "46.01",
"data_read_per_join": "5K"
},
"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 |
41WCDh17caL.jpg |
500 |
336 |
N |
29104 |
15202 |
product |
31066 |
M |
0 |
|
31066 |
0 |
31F-C1e6IoL.jpg |
500 |
500 |
N |
29326 |
15423 |
product |
31288 |
M |
0 |
|
31288 |
0 |
414X2cYMGIL.jpg |
500 |
500 |
N |
29723 |
15820 |
product |
31685 |
M |
0 |
|
31685 |
0 |
41SCC2s195L.jpg |
500 |
332 |
N |
29725 |
15822 |
product |
31687 |
M |
0 |
|
31687 |
0 |
41nMJZX1DqL.jpg |
500 |
500 |
N |
29730 |
15827 |
product |
31692 |
M |
0 |
|
31692 |
0 |
31cbCoMkhVL.jpg |
500 |
217 |
N |
29731 |
15828 |
product |
31693 |
M |
0 |
|
31693 |
0 |
21UK9n_rrkL.jpg |
500 |
333 |
N |
29733 |
15830 |
product |
31695 |
M |
0 |
|
31695 |
0 |
31zq9fx2VgL.jpg |
500 |
500 |
N |
30546 |
16638 |
product |
32508 |
M |
0 |
|
32508 |