Query time 0.00114
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 ('10448','10449','10450','10451','10452','10453','10454','10455','10456','10457','10458','10459','10460','10461','10462','10463')))",
"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 |
|
|
|
|
21440 |
10448 |
product |
23402 |
M |
0 |
|
|
0 |
|
|
|
|
21445 |
10449 |
product |
23407 |
M |
0 |
|
|
0 |
|
|
|
|
21449 |
10450 |
product |
23411 |
M |
0 |
|
|
0 |
|
|
|
|
21454 |
10451 |
product |
23416 |
M |
0 |
|
|
0 |
|
|
|
|
21455 |
10452 |
product |
23417 |
M |
0 |
|
|
0 |
|
|
|
|
21459 |
10453 |
product |
23421 |
M |
0 |
|
|
0 |
|
|
|
|
21460 |
10454 |
product |
23422 |
M |
0 |
|
|
0 |
|
|
|
|
21672 |
10455 |
product |
23634 |
M |
0 |
|
|
0 |
|
|
|
|
21676 |
10456 |
product |
23638 |
M |
0 |
|
|
0 |
|
|
|
|
21680 |
10458 |
product |
23642 |
M |
0 |
|
|
0 |
|
|
|
|
21685 |
10459 |
product |
23647 |
M |
0 |
|
|
0 |
|
|
|
|
21698 |
10462 |
product |
23660 |
M |
0 |
|
|
0 |
|
|
|
|
21700 |
10463 |
product |
23662 |
M |
0 |
|
|
0 |
|
|
|
|
26768 |
10457 |
product |
28730 |
M |
0 |
|
|
0 |
|
|
|
|
26778 |
10460 |
product |
28740 |
M |
0 |
|
|
0 |
|
|
|
|
83148 |
10461 |
product |
85091 |
M |
0 |
|
|