Query time 0.00096
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "136.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "25.00"
},
"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": 25,
"rows_produced_per_join": 25,
"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 ('30669','30670','30671','30672','30673','30674','30675','30676','30677','30678','30679','30680','30681','30682','30683','30684')))",
"cost_info": {
"read_cost": "46.01",
"eval_cost": "5.00",
"prefix_cost": "51.01",
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "81.01",
"data_read_per_join": "19K"
},
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "111.01",
"data_read_per_join": "14K"
},
"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 |
|
|
|
|
49249 |
30684 |
product |
51210 |
M |
0 |
|
|
0 |
|
|
|
|
49250 |
30683 |
product |
51211 |
M |
0 |
|
|
0 |
|
|
|
|
49251 |
30682 |
product |
51212 |
M |
0 |
|
|
0 |
|
|
|
|
49252 |
30681 |
product |
51213 |
M |
0 |
|
|
0 |
|
|
|
|
49253 |
30680 |
product |
51214 |
M |
0 |
|
|
0 |
|
|
|
|
49254 |
30679 |
product |
51215 |
M |
0 |
|
|
0 |
|
|
|
|
49256 |
30678 |
product |
51217 |
M |
0 |
|
|
0 |
|
|
|
|
49257 |
30677 |
product |
51218 |
M |
0 |
|
|
0 |
|
|
|
|
49259 |
30676 |
product |
51220 |
M |
0 |
|
|
0 |
|
|
|
|
49260 |
30675 |
product |
51221 |
M |
0 |
|
|
0 |
|
|
|
|
49263 |
30674 |
product |
51224 |
M |
0 |
|
|
0 |
|
|
|
|
49266 |
30673 |
product |
51227 |
M |
0 |
|
|
0 |
|
|
|
|
49267 |
30672 |
product |
51228 |
M |
0 |
|
|
0 |
|
|
|
|
49268 |
30671 |
product |
51229 |
M |
0 |
|
|
0 |
|
|
|
|
49272 |
30670 |
product |
51233 |
M |
0 |
|
|
0 |
|
|
|
|
49399 |
30669 |
product |
51360 |
M |
0 |
|
|