Query time 0.00083
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 ('145','146','147','148','149','150','151','106','107','108','109','110','111','112','113','114')))",
"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.image_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"
]
}
},
{
"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 |
|
|
|
|
244 |
106 |
product |
2221 |
M |
0 |
|
|
0 |
|
|
|
|
246 |
107 |
product |
2223 |
M |
0 |
|
|
0 |
|
|
|
|
248 |
108 |
product |
2225 |
M |
0 |
|
|
0 |
|
|
|
|
250 |
109 |
product |
2227 |
M |
0 |
|
|
0 |
|
|
|
|
252 |
110 |
product |
2229 |
M |
0 |
|
|
0 |
|
|
|
|
254 |
111 |
product |
2231 |
M |
0 |
|
|
0 |
|
|
|
|
256 |
112 |
product |
2233 |
M |
0 |
|
|
0 |
|
|
|
|
258 |
113 |
product |
2235 |
M |
0 |
|
|
0 |
|
|
|
|
260 |
114 |
product |
2237 |
M |
0 |
|
|
0 |
|
|
|
|
320 |
145 |
product |
2297 |
M |
0 |
|
|
0 |
|
|
|
|
322 |
146 |
product |
2299 |
M |
0 |
|
|
0 |
|
|
|
|
324 |
147 |
product |
2301 |
M |
0 |
|
|
0 |
|
|
|
|
326 |
148 |
product |
2303 |
M |
0 |
|
|
0 |
|
|
|
|
328 |
149 |
product |
2305 |
M |
0 |
|
|
0 |
|
|
|
|
330 |
150 |
product |
2307 |
M |
0 |
|
|
0 |
|
|
|
|
332 |
151 |
product |
2309 |
M |
0 |
|
|