Query time 0.00210
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "185.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "32.00"
},
"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": 32,
"rows_produced_per_join": 32,
"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 ('32447','32448','32450','32451','32452','32453','32454','32455','32456','32457','32458','32460','32461','32462','32463','32465','32466','32467','32468','32469','32471','32472','32473','32474','32475','32476','32478','32479','32480','32481','32482','32483')))",
"cost_info": {
"read_cost": "70.41",
"eval_cost": "6.40",
"prefix_cost": "76.81",
"data_read_per_join": "3K"
},
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "115.21",
"data_read_per_join": "24K"
},
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "153.61",
"data_read_per_join": "19K"
},
"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 |
|
|
|
|
42268 |
32447 |
product |
44230 |
M |
0 |
|
|
0 |
|
|
|
|
42273 |
32448 |
product |
44235 |
M |
0 |
|
|
0 |
|
|
|
|
42284 |
32450 |
product |
44246 |
M |
0 |
|
|
0 |
|
|
|
|
42290 |
32451 |
product |
44252 |
M |
0 |
|
|
0 |
|
|
|
|
42295 |
32452 |
product |
44257 |
M |
0 |
|
|
0 |
|
|
|
|
42299 |
32453 |
product |
44261 |
M |
0 |
|
|
0 |
|
|
|
|
42304 |
32454 |
product |
44266 |
M |
0 |
|
|
0 |
|
|
|
|
42310 |
32455 |
product |
44272 |
M |
0 |
|
|
0 |
|
|
|
|
42314 |
32456 |
product |
44276 |
M |
0 |
|
|
0 |
|
|
|
|
42320 |
32457 |
product |
44282 |
M |
0 |
|
|
0 |
|
|
|
|
42331 |
32458 |
product |
44293 |
M |
0 |
|
|
0 |
|
|
|
|
42337 |
32460 |
product |
44299 |
M |
0 |
|
|
0 |
|
|
|
|
42341 |
32461 |
product |
44303 |
M |
0 |
|
|
0 |
|
|
|
|
42347 |
32462 |
product |
44309 |
M |
0 |
|
|
0 |
|
|
|
|
42352 |
32463 |
product |
44314 |
M |
0 |
|
|
0 |
|
|
|
|
42363 |
32465 |
product |
44325 |
M |
0 |
|
|
0 |
|
|
|
|
42369 |
32466 |
product |
44331 |
M |
0 |
|
|
0 |
|
|
|
|
42373 |
32467 |
product |
44335 |
M |
0 |
|
|
0 |
|
|
|
|
42378 |
32468 |
product |
44340 |
M |
0 |
|
|
0 |
|
|
|
|
42382 |
32469 |
product |
44344 |
M |
0 |
|
|
0 |
|
|
|
|
42393 |
32471 |
product |
44355 |
M |
0 |
|
|
0 |
|
|
|
|
42397 |
32472 |
product |
44359 |
M |
0 |
|
|
0 |
|
|
|
|
42401 |
32473 |
product |
44363 |
M |
0 |
|
|
0 |
|
|
|
|
42405 |
32474 |
product |
44367 |
M |
0 |
|
|
0 |
|
|
|
|
42412 |
32475 |
product |
44374 |
M |
0 |
|
|
0 |
|
|
|
|
42417 |
32476 |
product |
44379 |
M |
0 |
|
|
0 |
|
|
|
|
42429 |
32478 |
product |
44391 |
M |
0 |
|
|
0 |
|
|
|
|
42435 |
32479 |
product |
44397 |
M |
0 |
|
|
0 |
|
|
|
|
42439 |
32480 |
product |
44401 |
M |
0 |
|
|
0 |
|
|
|
|
42443 |
32481 |
product |
44405 |
M |
0 |
|
|
0 |
|
|
|
|
42448 |
32482 |
product |
44410 |
M |
0 |
|
|
0 |
|
|
|
|
42453 |
32483 |
product |
44415 |
M |
0 |
|
|