Query time 0.00121
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "217.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "42.00"
},
"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": 42,
"rows_produced_per_join": 42,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'A') and (`portal`.`q_images_links`.`object_id` in ('47770','47772','45784','45714','45716','45717','45718','45719','45721','45722','45723','45724','45728','45729','45730','45731')))",
"cost_info": {
"read_cost": "66.41",
"eval_cost": "8.40",
"prefix_cost": "74.81",
"data_read_per_join": "3K"
},
"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": 42,
"filtered": "100.00",
"cost_info": {
"read_cost": "42.00",
"eval_cost": "8.40",
"prefix_cost": "125.21",
"data_read_per_join": "32K"
},
"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": 42,
"filtered": "100.00",
"cost_info": {
"read_cost": "42.00",
"eval_cost": "8.40",
"prefix_cost": "175.61",
"data_read_per_join": "24K"
},
"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 |
|
|
|
|
72827 |
45714 |
product |
74778 |
A |
1 |
|
|
0 |
|
|
|
|
73171 |
45784 |
product |
75122 |
A |
1 |
|
|
0 |
|
|
|
|
74090 |
45724 |
product |
76033 |
A |
1 |
|
|
0 |
|
|
|
|
74091 |
45724 |
product |
76034 |
A |
1 |
|
|
0 |
|
|
|
|
74092 |
45724 |
product |
76035 |
A |
1 |
|
|
0 |
|
|
|
|
74104 |
45728 |
product |
76047 |
A |
1 |
|
|
0 |
|
|
|
|
74105 |
45728 |
product |
76048 |
A |
1 |
|
|
0 |
|
|
|
|
74113 |
45731 |
product |
76056 |
A |
1 |
|
|
0 |
|
|
|
|
74115 |
45731 |
product |
76058 |
A |
1 |
|
|
0 |
|
|
|
|
74117 |
45731 |
product |
76060 |
A |
1 |
|
|
0 |
|
|
|
|
74166 |
45718 |
product |
76109 |
A |
1 |
|
|
0 |
|
|
|
|
75343 |
45716 |
product |
77286 |
A |
1 |
|
|
0 |
|
|
|
|
75346 |
45717 |
product |
77289 |
A |
1 |
|
|
0 |
|
|
|
|
75349 |
45723 |
product |
77292 |
A |
1 |
|
|
0 |
|
|
|
|
72828 |
45714 |
product |
74779 |
A |
2 |
|
|
0 |
|
|
|
|
73172 |
45784 |
product |
75123 |
A |
2 |
|
|
0 |
|
|
|
|
74093 |
45724 |
product |
76036 |
A |
2 |
|
|
0 |
|
|
|
|
74094 |
45724 |
product |
76037 |
A |
2 |
|
|
0 |
|
|
|
|
74095 |
45724 |
product |
76038 |
A |
2 |
|
|
0 |
|
|
|
|
72829 |
45714 |
product |
74780 |
A |
3 |
|
|
0 |
|
|
|
|
73173 |
45784 |
product |
75124 |
A |
3 |
|
|
0 |
|
|
|
|
75373 |
45730 |
product |
77316 |
A |
3 |
|
|
0 |
|
|
|
|
72830 |
45714 |
product |
74781 |
A |
4 |
|
|
0 |
|
|
|
|
73174 |
45784 |
product |
75125 |
A |
4 |
|
|
0 |
|
|
|
|
75374 |
45730 |
product |
77317 |
A |
4 |
|
|
0 |
|
|
|
|
72832 |
45714 |
product |
74783 |
A |
5 |
|
|
0 |
|
|
|
|
73175 |
45784 |
product |
75126 |
A |
5 |
|
|
0 |
|
|
|
|
72831 |
45714 |
product |
74782 |
A |
6 |
|
|
0 |
|
|
|
|
72826 |
45714 |
product |
74777 |
A |
7 |
|
|