Query time 0.00108
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "150.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "28.00"
},
"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": 28,
"rows_produced_per_join": 28,
"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 ('37486','37487','37488','37489','37490','37491','37492','37493','37494','37495','37496','37497','37498','37499','37500','37501')))",
"cost_info": {
"read_cost": "49.61",
"eval_cost": "5.60",
"prefix_cost": "55.21",
"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": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "28.00",
"eval_cost": "5.60",
"prefix_cost": "88.81",
"data_read_per_join": "21K"
},
"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": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "28.00",
"eval_cost": "5.60",
"prefix_cost": "122.41",
"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 |
|
|
|
|
58550 |
37498 |
product |
60506 |
M |
0 |
|
|
0 |
|
|
|
|
58551 |
37497 |
product |
60507 |
M |
0 |
|
|
0 |
|
|
|
|
58552 |
37496 |
product |
60508 |
M |
0 |
|
|
0 |
|
|
|
|
58554 |
37495 |
product |
60510 |
M |
0 |
|
|
0 |
|
|
|
|
58561 |
37494 |
product |
60517 |
M |
0 |
|
|
0 |
|
|
|
|
58564 |
37493 |
product |
60520 |
M |
0 |
|
|
0 |
|
|
|
|
58565 |
37492 |
product |
60521 |
M |
0 |
|
|
0 |
|
|
|
|
58566 |
37491 |
product |
60522 |
M |
0 |
|
|
0 |
|
|
|
|
58567 |
37490 |
product |
60523 |
M |
0 |
|
|
0 |
|
|
|
|
58569 |
37489 |
product |
60525 |
M |
0 |
|
|
0 |
|
|
|
|
58572 |
37488 |
product |
60528 |
M |
0 |
|
|
0 |
|
|
|
|
58576 |
37487 |
product |
60532 |
M |
0 |
|
|
0 |
|
|
|
|
58578 |
37486 |
product |
60534 |
M |
0 |
|
|
0 |
|
|
|
|
62052 |
37500 |
product |
64008 |
M |
0 |
|
|
0 |
|
|
|
|
62053 |
37499 |
product |
64009 |
M |
0 |
|
|
0 |
|
|
|
|
62051 |
37501 |
product |
64007 |
M |
1 |
|
|