Query time 0.00104
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "92.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "16.00"
},
"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": 16,
"rows_produced_per_join": 16,
"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 ('7336','7335','7334','7333','7332','6911','6194','6193','6192','6188','6186','6185','6184','6176','6175','6174')))",
"cost_info": {
"read_cost": "35.21",
"eval_cost": "3.20",
"prefix_cost": "38.41",
"data_read_per_join": "1K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "57.61",
"data_read_per_join": "12K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "76.81",
"data_read_per_join": "9K"
},
"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 |
|
|
|
|
11596 |
6176 |
product |
13558 |
M |
0 |
|
|
0 |
|
|
|
|
11610 |
6186 |
product |
13572 |
M |
0 |
|
|
0 |
|
|
|
|
11613 |
6188 |
product |
13575 |
M |
0 |
|
|
0 |
|
|
|
|
11625 |
6193 |
product |
13587 |
M |
0 |
|
|
0 |
|
|
|
|
11629 |
6194 |
product |
13591 |
M |
0 |
|
|
0 |
|
|
|
|
13643 |
6911 |
product |
15605 |
M |
0 |
|
|
0 |
|
|
|
|
14335 |
7332 |
product |
16297 |
M |
0 |
|
|
0 |
|
|
|
|
14338 |
7333 |
product |
16300 |
M |
0 |
|
|
0 |
|
|
|
|
14341 |
7334 |
product |
16303 |
M |
0 |
|
|
0 |
|
|
|
|
14344 |
7335 |
product |
16306 |
M |
0 |
|
|
0 |
|
|
|
|
52598 |
6175 |
product |
54559 |
M |
0 |
|
|
0 |
|
|
|
|
72191 |
6174 |
product |
74142 |
M |
0 |
|
|
0 |
|
|
|
|
79871 |
6184 |
product |
81814 |
M |
0 |
|
|
0 |
|
|
|
|
81581 |
7336 |
product |
83524 |
M |
0 |
|
|
0 |
|
|
|
|
81800 |
6185 |
product |
83743 |
M |
0 |
|
|
0 |
|
|
|
|
83063 |
6192 |
product |
85006 |
M |
0 |
|
|