Query time 0.00137
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "156.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "27.00"
},
"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": 27,
"rows_produced_per_join": 27,
"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 ('3741','3742','3743','3744','3745','3746','3747','3748','3749','3750','3751','3752','3753','3755','3756','3757','3758','3759','3760','3761','3762','3764','3765','3768','3769','3772','1470')))",
"cost_info": {
"read_cost": "59.41",
"eval_cost": "5.40",
"prefix_cost": "64.81",
"data_read_per_join": "2K"
},
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "97.21",
"data_read_per_join": "20K"
},
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "129.61",
"data_read_per_join": "16K"
},
"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 |
|
|
|
|
8937 |
3742 |
product |
10902 |
M |
0 |
|
|
0 |
|
|
|
|
8938 |
3743 |
product |
10903 |
M |
0 |
|
|
0 |
|
|
|
|
8940 |
3745 |
product |
10905 |
M |
0 |
|
|
0 |
|
|
|
|
8941 |
3747 |
product |
10906 |
M |
0 |
|
|
0 |
|
|
|
|
8942 |
3748 |
product |
10907 |
M |
0 |
|
|
0 |
|
|
|
|
8943 |
3749 |
product |
10908 |
M |
0 |
|
|
0 |
|
|
|
|
8944 |
3750 |
product |
10909 |
M |
0 |
|
|
0 |
|
|
|
|
8945 |
3751 |
product |
10910 |
M |
0 |
|
|
0 |
|
|
|
|
8946 |
3752 |
product |
10911 |
M |
0 |
|
|
0 |
|
|
|
|
8947 |
3753 |
product |
10912 |
M |
0 |
|
|
0 |
|
|
|
|
8949 |
3755 |
product |
10914 |
M |
0 |
|
|
0 |
|
|
|
|
8950 |
3756 |
product |
10915 |
M |
0 |
|
|
0 |
|
|
|
|
8951 |
3757 |
product |
10916 |
M |
0 |
|
|
0 |
|
|
|
|
8952 |
3758 |
product |
10917 |
M |
0 |
|
|
0 |
|
|
|
|
8953 |
3759 |
product |
10918 |
M |
0 |
|
|
0 |
|
|
|
|
8954 |
3760 |
product |
10919 |
M |
0 |
|
|
0 |
|
|
|
|
8955 |
3761 |
product |
10920 |
M |
0 |
|
|
0 |
|
|
|
|
8958 |
3764 |
product |
10923 |
M |
0 |
|
|
0 |
|
|
|
|
8963 |
3772 |
product |
10928 |
M |
0 |
|
|
0 |
|
|
|
|
61882 |
1470 |
product |
63838 |
M |
0 |
|
|
0 |
|
|
|
|
63177 |
3768 |
product |
65133 |
M |
0 |
|
|
0 |
|
|
|
|
76149 |
3741 |
product |
78092 |
M |
0 |
|
|
0 |
|
|
|
|
76153 |
3765 |
product |
78096 |
M |
0 |
|
|
0 |
|
|
|
|
76154 |
3765 |
product |
78097 |
M |
0 |
|
|
0 |
|
|
|
|
82523 |
3744 |
product |
84466 |
M |
0 |
|
|
0 |
|
|
|
|
82595 |
3746 |
product |
84538 |
M |
0 |
|
|
0 |
|
|
|
|
82603 |
3746 |
product |
84546 |
M |
0 |
|
|
0 |
|
|
|
|
83009 |
3762 |
product |
84952 |
M |
0 |
|
|
0 |
|
|
|
|
85139 |
3769 |
product |
52931 |
M |
0 |
|
|