Query time 0.00113
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "145.61"
},
"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 ('30948','30949','30950','30952','30953','30954','30955','30956','30957','30958','30960','30961','30962','30963','30964','30965')))",
"cost_info": {
"read_cost": "48.41",
"eval_cost": "5.40",
"prefix_cost": "53.81",
"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.detailed_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": "86.21",
"data_read_per_join": "20K"
},
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "118.61",
"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 |
51WKlE0gtBL._SL1000_.jpg |
1000 |
1000 |
N |
49507 |
30965 |
product |
51468 |
M |
0 |
|
51468 |
0 |
719ehtMGQJL._SL1000_.jpg |
1000 |
1000 |
N |
49509 |
30964 |
product |
51470 |
M |
0 |
|
51470 |
0 |
51gXreKye8L._SL1000_.jpg |
1000 |
1000 |
N |
49511 |
30963 |
product |
51472 |
M |
0 |
|
51472 |
0 |
51F_5BV4_TL._SL1000_.jpg |
1000 |
1000 |
N |
49513 |
30962 |
product |
51474 |
M |
0 |
|
51474 |
0 |
51u65rFZq-L._SL1024_.jpg |
1024 |
1024 |
N |
49516 |
30961 |
product |
51477 |
M |
0 |
|
51477 |
0 |
61vHGX17HyL._SL1024_.jpg |
1024 |
1024 |
N |
49517 |
30960 |
product |
51478 |
M |
0 |
|
51478 |
0 |
61yidREiNBL._SL1024_.jpg |
1024 |
1024 |
N |
49519 |
30958 |
product |
51480 |
M |
0 |
|
51480 |
0 |
4148ai0EmcL.jpg |
500 |
500 |
N |
49527 |
30957 |
product |
51488 |
M |
0 |
|
51488 |
0 |
618ZLsj3twL._SL1000_.jpg |
1000 |
1000 |
N |
49528 |
30956 |
product |
51489 |
M |
0 |
|
51489 |
0 |
71Rf20wUsRL._SL1000_.jpg |
1000 |
1000 |
N |
49533 |
30954 |
product |
51494 |
M |
0 |
|
51494 |
0 |
51jLtyELkIL._SL1000_.jpg |
1000 |
1000 |
N |
49535 |
30953 |
product |
51496 |
M |
0 |
|
51496 |
0 |
61CnyBNZu9L._SL1000_.jpg |
1000 |
1000 |
N |
49536 |
30952 |
product |
51497 |
M |
0 |
|
51497 |
0 |
51uDXSwzqCL._SL1000_.jpg |
1000 |
1000 |
N |
49542 |
30950 |
product |
51503 |
M |
0 |
|
51503 |
0 |
61TKHO0WVDL._SL1000_.jpg |
1000 |
1000 |
N |
49544 |
30949 |
product |
51505 |
M |
0 |
|
51505 |
0 |
decor_web.jpg |
640 |
626 |
N |
51691 |
30955 |
product |
53652 |
M |
0 |
|
53652 |
0 |
613a1O9GElL._SL1000_.jpg |
1000 |
1000 |
N |
65528 |
30948 |
product |
67479 |
M |
0 |
|
67479 |