Query time 0.00090
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 ('31025','31026','31027','31028','31029','31030','31031','31032','31033','31034','31035','31036','31037','31038','31039','31040')))",
"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.detailed_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"
],
"attached_condition": "<if>(is_not_null_compl(q_images), (`portal`.`q_images_links`.`detailed_id` = `portal`.`q_images`.`image_id`), true)"
}
},
{
"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 |
51AnL7W1R4L._AC_UL436_.jpg |
436 |
436 |
N |
49311 |
31034 |
product |
51272 |
M |
0 |
|
51272 |
0 |
41-z1Lggf0L._AC_UL436_.jpg |
436 |
315 |
N |
49313 |
31036 |
product |
51274 |
M |
0 |
|
51274 |
0 |
41WfvqLjFmL._AC_UL436_.jpg |
436 |
394 |
N |
49317 |
31032 |
product |
51278 |
M |
0 |
|
51278 |
0 |
61CSWLLjcIL._AC_UL436_.jpg |
436 |
436 |
N |
49318 |
31031 |
product |
51279 |
M |
0 |
|
51279 |
0 |
71zNY_AgC3L._AC_UL436_.jpg |
436 |
436 |
N |
49324 |
31027 |
product |
51285 |
M |
0 |
|
51285 |
0 |
71i2ZcLsfFL._SL1000_.jpg |
1000 |
1000 |
N |
49645 |
31040 |
product |
51606 |
M |
0 |
|
51606 |
0 |
71IdWxtyq6L._SL1000_.jpg |
1000 |
1000 |
N |
49646 |
31039 |
product |
51607 |
M |
0 |
|
51607 |
0 |
61gl39Ezl8L._SL1000_.jpg |
1000 |
1000 |
N |
49648 |
31038 |
product |
51609 |
M |
0 |
|
51609 |
0 |
51jLKhuY1AL.jpg |
500 |
500 |
N |
49649 |
31037 |
product |
51610 |
M |
0 |
|
51610 |
0 |
oil_bottle_web.jpg |
640 |
626 |
N |
51700 |
31028 |
product |
53661 |
M |
0 |
|
53661 |
0 |
81l2dR7U0OL._SL1000_.jpg |
1000 |
1000 |
N |
65533 |
31035 |
product |
67484 |
M |
0 |
|
67484 |