Query time 0.00079
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "136.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "25.00"
},
"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": 25,
"rows_produced_per_join": 25,
"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 ('30766','30767','30769','30770','30771','30772','30773','30774','30775','30776','30777','30778','30779','30781','30782','30783')))",
"cost_info": {
"read_cost": "46.01",
"eval_cost": "5.00",
"prefix_cost": "51.01",
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "81.01",
"data_read_per_join": "19K"
},
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "111.01",
"data_read_per_join": "14K"
},
"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 |
|
|
|
|
48760 |
30783 |
product |
50721 |
M |
0 |
|
|
0 |
|
|
|
|
48762 |
30782 |
product |
50723 |
M |
0 |
|
|
0 |
|
|
|
|
48763 |
30781 |
product |
50724 |
M |
0 |
|
|
0 |
|
|
|
|
48765 |
30779 |
product |
50726 |
M |
0 |
|
|
0 |
|
|
|
|
48767 |
30777 |
product |
50728 |
M |
0 |
|
|
0 |
|
|
|
|
48770 |
30776 |
product |
50731 |
M |
0 |
|
|
0 |
|
|
|
|
48772 |
30775 |
product |
50733 |
M |
0 |
|
|
0 |
|
|
|
|
48774 |
30774 |
product |
50735 |
M |
0 |
|
|
0 |
|
|
|
|
48776 |
30773 |
product |
50737 |
M |
0 |
|
|
0 |
|
|
|
|
48777 |
30772 |
product |
50738 |
M |
0 |
|
|
0 |
|
|
|
|
48779 |
30771 |
product |
50740 |
M |
0 |
|
|
0 |
|
|
|
|
48780 |
30770 |
product |
50741 |
M |
0 |
|
|
0 |
|
|
|
|
48781 |
30769 |
product |
50742 |
M |
0 |
|
|
0 |
|
|
|
|
48785 |
30767 |
product |
50746 |
M |
0 |
|
|
0 |
|
|
|
|
48787 |
30766 |
product |
50748 |
M |
0 |
|
|
0 |
|
|
|
|
65520 |
30778 |
product |
67471 |
M |
0 |
|
|