Query time 0.00163
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "174.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "30.00"
},
"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": 30,
"rows_produced_per_join": 30,
"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 ('2913','2914','2915','2916','2917','2918','2919','2920','2921','2881','2882','2883','2884','2885','2886','2887','2888','2889','2890','2891','2892','2858','2859','2860','2861','2862','2863','2864','2865','2866')))",
"cost_info": {
"read_cost": "66.01",
"eval_cost": "6.00",
"prefix_cost": "72.01",
"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": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "108.01",
"data_read_per_join": "22K"
},
"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": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "144.01",
"data_read_per_join": "17K"
},
"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 |
|
|
|
|
6289 |
2858 |
product |
8257 |
M |
0 |
|
|
0 |
|
|
|
|
6290 |
2859 |
product |
8258 |
M |
0 |
|
|
0 |
|
|
|
|
6291 |
2860 |
product |
8259 |
M |
0 |
|
|
0 |
|
|
|
|
6292 |
2861 |
product |
8260 |
M |
0 |
|
|
0 |
|
|
|
|
6293 |
2862 |
product |
8261 |
M |
0 |
|
|
0 |
|
|
|
|
6294 |
2863 |
product |
8262 |
M |
0 |
|
|
0 |
|
|
|
|
6295 |
2864 |
product |
8263 |
M |
0 |
|
|
0 |
|
|
|
|
6296 |
2865 |
product |
8264 |
M |
0 |
|
|
0 |
|
|
|
|
6297 |
2866 |
product |
8265 |
M |
0 |
|
|
0 |
|
|
|
|
6313 |
2881 |
product |
8281 |
M |
0 |
|
|
0 |
|
|
|
|
6314 |
2882 |
product |
8282 |
M |
0 |
|
|
0 |
|
|
|
|
6315 |
2883 |
product |
8283 |
M |
0 |
|
|
0 |
|
|
|
|
6317 |
2884 |
product |
8285 |
M |
0 |
|
|
0 |
|
|
|
|
6318 |
2885 |
product |
8286 |
M |
0 |
|
|
0 |
|
|
|
|
6319 |
2886 |
product |
8287 |
M |
0 |
|
|
0 |
|
|
|
|
6320 |
2887 |
product |
8288 |
M |
0 |
|
|
0 |
|
|
|
|
6321 |
2888 |
product |
8289 |
M |
0 |
|
|
0 |
|
|
|
|
6322 |
2889 |
product |
8290 |
M |
0 |
|
|
0 |
|
|
|
|
6323 |
2890 |
product |
8291 |
M |
0 |
|
|
0 |
|
|
|
|
6324 |
2891 |
product |
8292 |
M |
0 |
|
|
0 |
|
|
|
|
6325 |
2892 |
product |
8293 |
M |
0 |
|
|
0 |
|
|
|
|
6341 |
2913 |
product |
8309 |
M |
0 |
|
|
0 |
|
|
|
|
6342 |
2914 |
product |
8310 |
M |
0 |
|
|
0 |
|
|
|
|
6343 |
2915 |
product |
8311 |
M |
0 |
|
|
0 |
|
|
|
|
6344 |
2916 |
product |
8312 |
M |
0 |
|
|
0 |
|
|
|
|
6345 |
2917 |
product |
8313 |
M |
0 |
|
|
0 |
|
|
|
|
6346 |
2918 |
product |
8314 |
M |
0 |
|
|
0 |
|
|
|
|
6347 |
2919 |
product |
8315 |
M |
0 |
|
|
0 |
|
|
|
|
6348 |
2920 |
product |
8316 |
M |
0 |
|
|
0 |
|
|
|
|
6349 |
2921 |
product |
8317 |
M |
0 |
|
|