Query time 0.00106
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "145.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "27.00"
},
"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": 27,
"rows_produced_per_join": 27,
"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 ('37228','37229','37230','37231','37232','37233','37234','37235','37236','37237','37238','37239','37240','37241','37242','37243')))",
"cost_info": {
"read_cost": "48.41",
"eval_cost": "5.40",
"prefix_cost": "53.81",
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "86.21",
"data_read_per_join": "20K"
},
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "118.61",
"data_read_per_join": "16K"
},
"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 |
|
|
|
|
58368 |
37229 |
product |
60324 |
M |
0 |
|
|
0 |
|
|
|
|
58369 |
37230 |
product |
60325 |
M |
0 |
|
|
0 |
|
|
|
|
58371 |
37231 |
product |
60327 |
M |
0 |
|
|
0 |
|
|
|
|
58372 |
37232 |
product |
60328 |
M |
0 |
|
|
0 |
|
|
|
|
58373 |
37233 |
product |
60329 |
M |
0 |
|
|
0 |
|
|
|
|
58374 |
37234 |
product |
60330 |
M |
0 |
|
|
0 |
|
|
|
|
58375 |
37235 |
product |
60331 |
M |
0 |
|
|
0 |
|
|
|
|
58376 |
37237 |
product |
60332 |
M |
0 |
|
|
0 |
|
|
|
|
58377 |
37238 |
product |
60333 |
M |
0 |
|
|
0 |
|
|
|
|
58379 |
37240 |
product |
60335 |
M |
0 |
|
|
0 |
|
|
|
|
58380 |
37236 |
product |
60336 |
M |
0 |
|
|
0 |
|
|
|
|
58381 |
37241 |
product |
60337 |
M |
0 |
|
|
0 |
|
|
|
|
58382 |
37242 |
product |
60338 |
M |
0 |
|
|
0 |
|
|
|
|
58383 |
37243 |
product |
60339 |
M |
0 |
|
|
0 |
|
|
|
|
59239 |
37239 |
product |
61195 |
M |
0 |
|
|
0 |
|
|
|
|
59240 |
37228 |
product |
61196 |
M |
1 |
|
|