Query time 0.00168
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "174.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "30.00"
},
"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": 30,
"rows_produced_per_join": 30,
"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 ('50381','50382','50383','50385','50386','50387','50388','50389','50390','50391','50392','50393','50232','50240','50310','50308','50283','50301','50280','50291','50272','50276','50269','50312','50313','50314','50315','50316','50317','50318')))",
"cost_info": {
"read_cost": "66.01",
"eval_cost": "6.00",
"prefix_cost": "72.01",
"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": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "108.01",
"data_read_per_join": "22K"
},
"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": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "144.01",
"data_read_per_join": "17K"
},
"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 |
|
|
|
|
81278 |
50240 |
product |
83221 |
M |
0 |
|
|
0 |
|
|
|
|
81934 |
50301 |
product |
83877 |
M |
0 |
|
|
0 |
|
|
|
|
82199 |
50312 |
product |
84142 |
M |
0 |
|
|
0 |
|
|
|
|
82203 |
50313 |
product |
84146 |
M |
0 |
|
|
0 |
|
|
|
|
82207 |
50314 |
product |
84150 |
M |
0 |
|
|
0 |
|
|
|
|
82210 |
50315 |
product |
84153 |
M |
0 |
|
|
0 |
|
|
|
|
82213 |
50316 |
product |
84156 |
M |
0 |
|
|
0 |
|
|
|
|
82216 |
50317 |
product |
84159 |
M |
0 |
|
|
0 |
|
|
|
|
82219 |
50318 |
product |
84162 |
M |
0 |
|
|
0 |
|
|
|
|
82764 |
50381 |
product |
84707 |
M |
0 |
|
|
0 |
|
|
|
|
82767 |
50382 |
product |
84710 |
M |
0 |
|
|
0 |
|
|
|
|
82770 |
50383 |
product |
84713 |
M |
0 |
|
|
0 |
|
|
|
|
82776 |
50385 |
product |
84719 |
M |
0 |
|
|
0 |
|
|
|
|
82779 |
50386 |
product |
84722 |
M |
0 |
|
|
0 |
|
|
|
|
82782 |
50387 |
product |
84725 |
M |
0 |
|
|
0 |
|
|
|
|
82785 |
50388 |
product |
84728 |
M |
0 |
|
|
0 |
|
|
|
|
82788 |
50389 |
product |
84731 |
M |
0 |
|
|
0 |
|
|
|
|
82791 |
50390 |
product |
84734 |
M |
0 |
|
|
0 |
|
|
|
|
82800 |
50392 |
product |
84743 |
M |
0 |
|
|
0 |
|
|
|
|
82803 |
50393 |
product |
84746 |
M |
0 |
|
|
0 |
|
|
|
|
85897 |
50269 |
product |
84390 |
M |
0 |
|
|
0 |
|
|
|
|
85898 |
50272 |
product |
84391 |
M |
0 |
|
|
0 |
|
|
|
|
85903 |
50276 |
product |
84397 |
M |
0 |
|
|
0 |
|
|
|
|
85906 |
50291 |
product |
84411 |
M |
0 |
|
|
0 |
|
|
|
|
85907 |
50280 |
product |
84414 |
M |
0 |
|
|
0 |
|
|
|
|
85926 |
50283 |
product |
84421 |
M |
0 |
|
|
0 |
|
|
|
|
85927 |
50308 |
product |
84424 |
M |
0 |
|
|
0 |
|
|
|
|
85928 |
50310 |
product |
84426 |
M |
0 |
|
|
0 |
|
|
|
|
85934 |
50232 |
product |
84433 |
M |
0 |
|
|
0 |
|
|
|
|
82797 |
50391 |
product |
84740 |
M |
3 |
|
|