Query time 0.00113
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "121.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "22.00"
},
"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": 22,
"rows_produced_per_join": 22,
"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 ('7336','7335','7334','7333','7332','6911','6194','6193','6192','6188','6186','6185','6184','6176','6175','6174')))",
"cost_info": {
"read_cost": "42.41",
"eval_cost": "4.40",
"prefix_cost": "46.81",
"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": 22,
"filtered": "100.00",
"cost_info": {
"read_cost": "22.00",
"eval_cost": "4.40",
"prefix_cost": "73.21",
"data_read_per_join": "16K"
},
"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": 22,
"filtered": "100.00",
"cost_info": {
"read_cost": "22.00",
"eval_cost": "4.40",
"prefix_cost": "99.61",
"data_read_per_join": "13K"
},
"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 |
|
|
|
|
11594 |
6174 |
product |
13556 |
A |
1 |
|
|
0 |
|
|
|
|
11595 |
6175 |
product |
13557 |
A |
1 |
|
|
0 |
|
|
|
|
11597 |
6176 |
product |
13559 |
A |
1 |
|
|
0 |
|
|
|
|
11607 |
6184 |
product |
13569 |
A |
1 |
|
|
0 |
|
|
|
|
11609 |
6185 |
product |
13571 |
A |
1 |
|
|
0 |
|
|
|
|
11614 |
6188 |
product |
13576 |
A |
1 |
|
|
0 |
|
|
|
|
11618 |
6192 |
product |
13580 |
A |
1 |
|
|
0 |
|
|
|
|
11626 |
6193 |
product |
13588 |
A |
1 |
|
|
0 |
|
|
|
|
11628 |
6194 |
product |
13590 |
A |
1 |
|
|
0 |
|
|
|
|
13644 |
6911 |
product |
15606 |
A |
1 |
|
|
0 |
|
|
|
|
14336 |
7332 |
product |
16298 |
A |
1 |
|
|
0 |
|
|
|
|
14339 |
7333 |
product |
16301 |
A |
1 |
|
|
0 |
|
|
|
|
14342 |
7334 |
product |
16304 |
A |
1 |
|
|
0 |
|
|
|
|
14345 |
7335 |
product |
16307 |
A |
1 |
|
|
0 |
|
|
|
|
11592 |
6174 |
product |
13554 |
A |
2 |
|
|
0 |
|
|
|
|
11606 |
6184 |
product |
13568 |
A |
2 |
|
|
0 |
|
|
|
|
11608 |
6185 |
product |
13570 |
A |
2 |
|
|
0 |
|
|
|
|
11615 |
6188 |
product |
13577 |
A |
2 |
|
|
0 |
|
|
|
|
11619 |
6192 |
product |
13581 |
A |
2 |
|
|
0 |
|
|
|
|
14337 |
7332 |
product |
16299 |
A |
2 |
|
|
0 |
|
|
|
|
14340 |
7333 |
product |
16302 |
A |
2 |
|
|
0 |
|
|
|
|
14343 |
7334 |
product |
16305 |
A |
2 |
|
|
0 |
|
|
|
|
14346 |
7335 |
product |
16308 |
A |
2 |
|
|
0 |
|
|
|
|
11593 |
6174 |
product |
13555 |
A |
3 |
|
|
0 |
|
|
|
|
11620 |
6192 |
product |
13582 |
A |
3 |
|
|
0 |
|
|
|
|
13645 |
6911 |
product |
15607 |
A |
3 |
|
|