Query time 0.00112
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "155.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "29.00"
},
"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": 29,
"rows_produced_per_join": 29,
"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 ('37080','37081','37082','37083','37084','37088','37089','37090','37091','37092','37093','37094','37095','37096','37097','37098')))",
"cost_info": {
"read_cost": "50.81",
"eval_cost": "5.80",
"prefix_cost": "56.61",
"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": 29,
"filtered": "100.00",
"cost_info": {
"read_cost": "29.00",
"eval_cost": "5.80",
"prefix_cost": "91.41",
"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": 29,
"filtered": "100.00",
"cost_info": {
"read_cost": "29.00",
"eval_cost": "5.80",
"prefix_cost": "126.21",
"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 |
|
|
|
|
58428 |
37084 |
product |
60384 |
M |
0 |
|
|
0 |
|
|
|
|
58432 |
37083 |
product |
60388 |
M |
0 |
|
|
0 |
|
|
|
|
58437 |
37082 |
product |
60393 |
M |
0 |
|
|
0 |
|
|
|
|
58439 |
37081 |
product |
60395 |
M |
0 |
|
|
0 |
|
|
|
|
58442 |
37080 |
product |
60398 |
M |
0 |
|
|
0 |
|
|
|
|
62017 |
37097 |
product |
63973 |
M |
0 |
|
|
0 |
|
|
|
|
62018 |
37096 |
product |
63974 |
M |
0 |
|
|
0 |
|
|
|
|
62019 |
37095 |
product |
63975 |
M |
0 |
|
|
0 |
|
|
|
|
62281 |
37098 |
product |
64237 |
M |
0 |
|
|
0 |
|
|
|
|
62282 |
37090 |
product |
64238 |
M |
0 |
|
|
0 |
|
|
|
|
62284 |
37092 |
product |
64240 |
M |
0 |
|
|
0 |
|
|
|
|
62285 |
37093 |
product |
64241 |
M |
0 |
|
|
0 |
|
|
|
|
62286 |
37094 |
product |
64242 |
M |
0 |
|
|
0 |
|
|
|
|
67711 |
37089 |
product |
69662 |
M |
0 |
|
|
0 |
|
|
|
|
81970 |
37088 |
product |
83913 |
M |
0 |
|
|
0 |
|
|
|
|
62283 |
37091 |
product |
64239 |
M |
1 |
|
|