Query time 0.00117
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "112.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "20.00"
},
"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": 20,
"rows_produced_per_join": 20,
"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 ('45932','45933','45934','45935','45938','45939','45940','45944','45945','45946','45947','45949','45950','45951','45952','45953')))",
"cost_info": {
"read_cost": "40.01",
"eval_cost": "4.00",
"prefix_cost": "44.01",
"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": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "68.01",
"data_read_per_join": "15K"
},
"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": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "92.01",
"data_read_per_join": "11K"
},
"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 |
|
|
|
|
74237 |
45953 |
product |
76180 |
M |
0 |
|
|
0 |
|
|
|
|
75478 |
45932 |
product |
77421 |
M |
0 |
|
|
0 |
|
|
|
|
75479 |
45932 |
product |
77422 |
M |
0 |
|
|
0 |
|
|
|
|
75490 |
45933 |
product |
77433 |
M |
0 |
|
|
0 |
|
|
|
|
75497 |
45934 |
product |
77440 |
M |
0 |
|
|
0 |
|
|
|
|
75750 |
45951 |
product |
77693 |
M |
0 |
|
|
0 |
|
|
|
|
78196 |
45935 |
product |
80139 |
M |
0 |
|
|
0 |
|
|
|
|
78200 |
45944 |
product |
80143 |
M |
0 |
|
|
0 |
|
|
|
|
78201 |
45944 |
product |
80144 |
M |
0 |
|
|
0 |
|
|
|
|
78204 |
45945 |
product |
80147 |
M |
0 |
|
|
0 |
|
|
|
|
78209 |
45946 |
product |
80152 |
M |
0 |
|
|
0 |
|
|
|
|
78323 |
45947 |
product |
80266 |
M |
0 |
|
|
0 |
|
|
|
|
78664 |
45950 |
product |
80607 |
M |
0 |
|
|
0 |
|
|
|
|
78721 |
45952 |
product |
80664 |
M |
0 |
|
|
0 |
|
|
|
|
79156 |
45938 |
product |
81099 |
M |
0 |
|
|
0 |
|
|
|
|
79183 |
45949 |
product |
81126 |
M |
0 |
|
|
0 |
|
|
|
|
76898 |
45939 |
product |
78841 |
M |
1 |
|
|
0 |
|
|
|
|
76900 |
45940 |
product |
78843 |
M |
1 |
|
|