Query time 0.00300
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "852.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "151.00"
},
"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": 151,
"rows_produced_per_join": 151,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'A') and (`portal`.`q_images_links`.`object_id` in ('37513','37514','37515','37516','37520','37521','37522','37523','37524','37525','37526','37527','37528','37529','37530','37531','37532','37533','37534','37535','37536','37537','37538','37539','37540','37541','37542','37543','37544','37545','37546','37547','37548','37549','37550','37551','37552','37553','37554','37555','37557','37558','37559','37560','37561','37562','37563','37820','37821','37822','37823','37824','37825','37826','37827','37828','37829','37830','37831','37832','37833','37834','37835','37836','37837','37838','37839','37840','37841','37842','37843','37844','37845','37846','37847','37848','37849','37850','37851','37852','37853','37854','37855','37856','37858','37859','37860','37861','37862','37863','37864','37865','37866','37867','37868','37869','37870','37871','37872','37873','37874','37875','37877','37878','37879','37880','37881','37882','37883','37884','37885','37886','37887','37888','37889','37890','37891','37892','37893','37894','37895','37896','37897','38150','38151','38152','38155','38156')))",
"cost_info": {
"read_cost": "309.21",
"eval_cost": "30.20",
"prefix_cost": "339.41",
"data_read_per_join": "14K"
},
"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": 151,
"filtered": "100.00",
"cost_info": {
"read_cost": "151.00",
"eval_cost": "30.20",
"prefix_cost": "520.61",
"data_read_per_join": "115K"
},
"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": 151,
"filtered": "100.00",
"cost_info": {
"read_cost": "151.00",
"eval_cost": "30.20",
"prefix_cost": "701.81",
"data_read_per_join": "89K"
},
"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 |
|
|
|
|
62046 |
38156 |
product |
64002 |
A |
1 |
|
|
0 |
|
|
|
|
62115 |
37822 |
product |
64071 |
A |
1 |
|
|
0 |
|
|
|
|
62354 |
37521 |
product |
64310 |
A |
1 |
|
|
0 |
|
|
|
|
62358 |
37542 |
product |
64314 |
A |
1 |
|
|
0 |
|
|
|
|
62633 |
37864 |
product |
64589 |
A |
1 |
|
|
0 |
|
|
|
|
62843 |
37834 |
product |
64799 |
A |
1 |
|
|
0 |
|
|
|
|
63025 |
37531 |
product |
64981 |
A |
1 |
|
|
0 |
|
|
|
|
63037 |
37537 |
product |
64993 |
A |
1 |
|
|
0 |
|
|
|
|
63039 |
37538 |
product |
64995 |
A |
1 |
|
|
0 |
|
|
|
|
63044 |
37553 |
product |
65000 |
A |
1 |
|
|
0 |
|
|
|
|
63051 |
37560 |
product |
65007 |
A |
1 |
|
|
0 |
|
|
|
|
63200 |
37856 |
product |
65156 |
A |
1 |
|
|
0 |
|
|
|
|
63208 |
37858 |
product |
65164 |
A |
1 |
|
|
0 |
|
|
|
|
63968 |
37878 |
product |
65924 |
A |
1 |
|
|
0 |
|
|
|
|
63996 |
37895 |
product |
65952 |
A |
1 |
|
|