Query time 0.00166
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "202.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "36.00"
},
"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": 36,
"rows_produced_per_join": 36,
"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 ('14849','14850','14851','14852','14853','14855','14858','14860','14861','14862','14875','14880','14881','14894','14933','15229','15284','15285','15288','15519','15712','15713','15726','15772','15778','15837','15866','15867','15868','15872')))",
"cost_info": {
"read_cost": "73.21",
"eval_cost": "7.20",
"prefix_cost": "80.41",
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "123.61",
"data_read_per_join": "27K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "166.81",
"data_read_per_join": "21K"
},
"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 |
|
|
|
|
28757 |
14849 |
product |
30719 |
M |
0 |
|
|
0 |
|
|
|
|
28758 |
14850 |
product |
30720 |
M |
0 |
|
|
0 |
|
|
|
|
28759 |
14851 |
product |
30721 |
M |
0 |
|
|
0 |
|
|
|
|
28760 |
14852 |
product |
30722 |
M |
0 |
|
|
0 |
|
|
|
|
28761 |
14853 |
product |
30723 |
M |
0 |
|
|
0 |
|
|
|
|
28763 |
14855 |
product |
30725 |
M |
0 |
|
|
0 |
|
|
|
|
28766 |
14858 |
product |
30728 |
M |
0 |
|
|
0 |
|
|
|
|
28768 |
14860 |
product |
30730 |
M |
0 |
|
|
0 |
|
|
|
|
28769 |
14861 |
product |
30731 |
M |
0 |
|
|
0 |
|
|
|
|
28770 |
14862 |
product |
30732 |
M |
0 |
|
|
0 |
|
|
|
|
28783 |
14875 |
product |
30745 |
M |
0 |
|
|
0 |
|
|
|
|
28788 |
14880 |
product |
30750 |
M |
0 |
|
|
0 |
|
|
|
|
28789 |
14881 |
product |
30751 |
M |
0 |
|
|
0 |
|
|
|
|
28802 |
14894 |
product |
30764 |
M |
0 |
|
|
0 |
|
|
|
|
28841 |
14933 |
product |
30803 |
M |
0 |
|
|
0 |
|
|
|
|
29130 |
15229 |
product |
31092 |
M |
0 |
|
|
0 |
|
|
|
|
29186 |
15284 |
product |
31148 |
M |
0 |
|
|
0 |
|
|
|
|
29187 |
15285 |
product |
31149 |
M |
0 |
|
|
0 |
|
|
|
|
29190 |
15288 |
product |
31152 |
M |
0 |
|
|
0 |
|
|
|
|
29422 |
15519 |
product |
31384 |
M |
0 |
|
|
0 |
|
|
|
|
29614 |
15712 |
product |
31576 |
M |
0 |
|
|
0 |
|
|
|
|
29615 |
15713 |
product |
31577 |
M |
0 |
|
|
0 |
|
|
|
|
29628 |
15726 |
product |
31590 |
M |
0 |
|
|
0 |
|
|
|
|
29675 |
15772 |
product |
31637 |
M |
0 |
|
|
0 |
|
|
|
|
29681 |
15778 |
product |
31643 |
M |
0 |
|
|
0 |
|
|
|
|
29740 |
15837 |
product |
31702 |
M |
0 |
|
|
0 |
|
|
|
|
29770 |
15866 |
product |
31732 |
M |
0 |
|
|
0 |
|
|
|
|
29771 |
15867 |
product |
31733 |
M |
0 |
|
|
0 |
|
|
|
|
29772 |
15868 |
product |
31734 |
M |
0 |
|
|
0 |
|
|
|
|
29776 |
15872 |
product |
31738 |
M |
0 |
|
|