Query time 0.00148
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "238.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "43.00"
},
"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": 43,
"rows_produced_per_join": 43,
"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 ('9188','9189','9190','9191','9192','9193','9204','9205','9206','9207','9208','9209','9210','9211','9212','9213','9221','9222','9224','9225','9226','9227','9228','9229','9230','9231','9232','9233','9234','9235','9236','9237')))",
"cost_info": {
"read_cost": "83.61",
"eval_cost": "8.60",
"prefix_cost": "92.21",
"data_read_per_join": "4K"
},
"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": 43,
"filtered": "100.00",
"cost_info": {
"read_cost": "43.00",
"eval_cost": "8.60",
"prefix_cost": "143.81",
"data_read_per_join": "32K"
},
"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": 43,
"filtered": "100.00",
"cost_info": {
"read_cost": "43.00",
"eval_cost": "8.60",
"prefix_cost": "195.41",
"data_read_per_join": "25K"
},
"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 |
|
|
|
|
20011 |
9188 |
product |
21973 |
M |
0 |
|
|
0 |
|
|
|
|
20013 |
9190 |
product |
21975 |
M |
0 |
|
|
0 |
|
|
|
|
20014 |
9191 |
product |
21976 |
M |
0 |
|
|
0 |
|
|
|
|
20015 |
9192 |
product |
21977 |
M |
0 |
|
|
0 |
|
|
|
|
20016 |
9193 |
product |
21978 |
M |
0 |
|
|
0 |
|
|
|
|
20027 |
9204 |
product |
21989 |
M |
0 |
|
|
0 |
|
|
|
|
20028 |
9205 |
product |
21990 |
M |
0 |
|
|
0 |
|
|
|
|
20029 |
9206 |
product |
21991 |
M |
0 |
|
|
0 |
|
|
|
|
20031 |
9208 |
product |
21993 |
M |
0 |
|
|
0 |
|
|
|
|
20032 |
9209 |
product |
21994 |
M |
0 |
|
|
0 |
|
|
|
|
20033 |
9210 |
product |
21995 |
M |
0 |
|
|
0 |
|
|
|
|
20034 |
9211 |
product |
21996 |
M |
0 |
|
|
0 |
|
|
|
|
20036 |
9213 |
product |
21998 |
M |
0 |
|
|
0 |
|
|
|
|
20044 |
9221 |
product |
22006 |
M |
0 |
|
|
0 |
|
|
|
|
20045 |
9222 |
product |
22007 |
M |
0 |
|
|
0 |
|
|
|
|
20048 |
9225 |
product |
22010 |
M |
0 |
|
|
0 |
|
|
|
|
20051 |
9228 |
product |
22013 |
M |
0 |
|
|
0 |
|
|
|
|
20052 |
9229 |
product |
22014 |
M |
0 |
|
|
0 |
|
|
|
|
20054 |
9231 |
product |
22016 |
M |
0 |
|
|
0 |
|
|
|
|
20055 |
9232 |
product |
22017 |
M |
0 |
|
|
0 |
|
|
|
|
20056 |
9233 |
product |
22018 |
M |
0 |
|
|
0 |
|
|
|
|
20057 |
9234 |
product |
22019 |
M |
0 |
|
|
0 |
|
|
|
|
20058 |
9235 |
product |
22020 |
M |
0 |
|
|
0 |
|
|
|
|
20059 |
9236 |
product |
22021 |
M |
0 |
|
|
0 |
|
|
|
|
20060 |
9237 |
product |
22022 |
M |
0 |
|
|
0 |
|
|
|
|
61983 |
9207 |
product |
63939 |
M |
0 |
|
|
0 |
|
|
|
|
81480 |
9212 |
product |
83423 |
M |
0 |
|
|
0 |
|
|
|
|
20053 |
9230 |
product |
22015 |
M |
1 |
|
|
0 |
|
|
|
|
21183 |
9224 |
product |
23145 |
M |
1 |
|
|
0 |
|
|
|
|
21184 |
9227 |
product |
23146 |
M |
1 |
|
|
0 |
|
|
|
|
80464 |
9226 |
product |
82407 |
M |
1 |
|
|
0 |
|
|
|
|
80942 |
9189 |
product |
82885 |
M |
2 |
|
|