Query time 0.00092
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "184.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "35.00"
},
"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": 35,
"rows_produced_per_join": 35,
"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 ('29746','29747','29748','29749','29750','29751','29752','29753','29754','29755','29756','29757','29758','29759','29760','29761')))",
"cost_info": {
"read_cost": "58.01",
"eval_cost": "7.00",
"prefix_cost": "65.01",
"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": 35,
"filtered": "100.00",
"cost_info": {
"read_cost": "35.00",
"eval_cost": "7.00",
"prefix_cost": "107.01",
"data_read_per_join": "26K"
},
"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": 35,
"filtered": "100.00",
"cost_info": {
"read_cost": "35.00",
"eval_cost": "7.00",
"prefix_cost": "149.01",
"data_read_per_join": "20K"
},
"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 |
|
|
|
|
46704 |
29761 |
product |
48666 |
M |
0 |
|
|
0 |
|
|
|
|
46720 |
29760 |
product |
48682 |
M |
0 |
|
|
0 |
|
|
|
|
46734 |
29759 |
product |
48696 |
M |
0 |
|
|
0 |
|
|
|
|
46759 |
29757 |
product |
48721 |
M |
0 |
|
|
0 |
|
|
|
|
46792 |
29756 |
product |
48754 |
M |
0 |
|
|
0 |
|
|
|
|
46807 |
29755 |
product |
48769 |
M |
0 |
|
|
0 |
|
|
|
|
46826 |
29753 |
product |
48788 |
M |
0 |
|
|
0 |
|
|
|
|
46835 |
29752 |
product |
48797 |
M |
0 |
|
|
0 |
|
|
|
|
46851 |
29751 |
product |
48813 |
M |
0 |
|
|
0 |
|
|
|
|
46866 |
29750 |
product |
48828 |
M |
0 |
|
|
0 |
|
|
|
|
47209 |
29749 |
product |
49171 |
M |
0 |
|
|
0 |
|
|
|
|
47213 |
29748 |
product |
49175 |
M |
0 |
|
|
0 |
|
|
|
|
47215 |
29747 |
product |
49177 |
M |
0 |
|
|
0 |
|
|
|
|
47216 |
29746 |
product |
49178 |
M |
0 |
|
|
0 |
|
|
|
|
47667 |
29754 |
product |
49628 |
M |
0 |
|
|
0 |
|
|
|
|
49279 |
29758 |
product |
51240 |
M |
0 |
|
|