Query time 0.00118
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "92.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "16.00"
},
"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": 16,
"rows_produced_per_join": 16,
"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 ('3346','3347','3348','3349','3350','3351','3352','3353','3195','3199','3203','3248','3125','3126','3128','3024')))",
"cost_info": {
"read_cost": "35.21",
"eval_cost": "3.20",
"prefix_cost": "38.41",
"data_read_per_join": "1K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "57.61",
"data_read_per_join": "12K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "76.81",
"data_read_per_join": "9K"
},
"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 |
|
|
|
|
7405 |
3125 |
product |
9370 |
M |
0 |
|
|
0 |
|
|
|
|
7411 |
3126 |
product |
9376 |
M |
0 |
|
|
0 |
|
|
|
|
7416 |
3128 |
product |
9381 |
M |
0 |
|
|
0 |
|
|
|
|
7570 |
3195 |
product |
9535 |
M |
0 |
|
|
0 |
|
|
|
|
7586 |
3199 |
product |
9551 |
M |
0 |
|
|
0 |
|
|
|
|
8437 |
3346 |
product |
10402 |
M |
0 |
|
|
0 |
|
|
|
|
8441 |
3347 |
product |
10406 |
M |
0 |
|
|
0 |
|
|
|
|
8445 |
3348 |
product |
10410 |
M |
0 |
|
|
0 |
|
|
|
|
8449 |
3349 |
product |
10414 |
M |
0 |
|
|
0 |
|
|
|
|
8452 |
3350 |
product |
10417 |
M |
0 |
|
|
0 |
|
|
|
|
8457 |
3351 |
product |
10422 |
M |
0 |
|
|
0 |
|
|
|
|
8461 |
3352 |
product |
10426 |
M |
0 |
|
|
0 |
|
|
|
|
8466 |
3353 |
product |
10431 |
M |
0 |
|
|
0 |
|
|
|
|
83754 |
3024 |
product |
83542 |
M |
0 |
|
|
0 |
|
|
|
|
83864 |
3203 |
product |
10537 |
M |
0 |
|
|
0 |
|
|
|
|
83866 |
3248 |
product |
10662 |
M |
0 |
|
|