Query time 0.00192
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "185.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "32.00"
},
"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": 32,
"rows_produced_per_join": 32,
"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 ('9170','9171','9172','9173','9174','9175','9176','9177','9178','9179','9180','9181','9182','9183','9185','9186','9187','9188','9189','9190','9191','9192','9193','9194','9195','9196','9197','9198','9199','9200','9201','9202')))",
"cost_info": {
"read_cost": "70.41",
"eval_cost": "6.40",
"prefix_cost": "76.81",
"data_read_per_join": "3K"
},
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "115.21",
"data_read_per_join": "24K"
},
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "153.61",
"data_read_per_join": "19K"
},
"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 |
|
|
|
|
19994 |
9171 |
product |
21956 |
M |
0 |
|
|
0 |
|
|
|
|
19995 |
9172 |
product |
21957 |
M |
0 |
|
|
0 |
|
|
|
|
19996 |
9173 |
product |
21958 |
M |
0 |
|
|
0 |
|
|
|
|
19997 |
9174 |
product |
21959 |
M |
0 |
|
|
0 |
|
|
|
|
19998 |
9175 |
product |
21960 |
M |
0 |
|
|
0 |
|
|
|
|
20001 |
9178 |
product |
21963 |
M |
0 |
|
|
0 |
|
|
|
|
20002 |
9179 |
product |
21964 |
M |
0 |
|
|
0 |
|
|
|
|
20004 |
9181 |
product |
21966 |
M |
0 |
|
|
0 |
|
|
|
|
20005 |
9182 |
product |
21967 |
M |
0 |
|
|
0 |
|
|
|
|
20008 |
9185 |
product |
21970 |
M |
0 |
|
|
0 |
|
|
|
|
20009 |
9186 |
product |
21971 |
M |
0 |
|
|
0 |
|
|
|
|
20010 |
9187 |
product |
21972 |
M |
0 |
|
|
0 |
|
|
|
|
20011 |
9188 |
product |
21973 |
M |
0 |
|
|
0 |
|
|
|
|
20013 |
9190 |
product |
21975 |
M |
0 |
|
|
0 |
|
|
|
|
20014 |
9191 |
product |
21976 |
M |
0 |
|
|
0 |
|
|
|
|
20015 |
9192 |
product |
21977 |
M |
0 |
|
|
0 |
|
|
|
|
20016 |
9193 |
product |
21978 |
M |
0 |
|
|
0 |
|
|
|
|
20018 |
9195 |
product |
21980 |
M |
0 |
|
|
0 |
|
|
|
|
20019 |
9196 |
product |
21981 |
M |
0 |
|
|
0 |
|
|
|
|
20020 |
9197 |
product |
21982 |
M |
0 |
|
|
0 |
|
|
|
|
20021 |
9198 |
product |
21983 |
M |
0 |
|
|
0 |
|
|
|
|
20022 |
9199 |
product |
21984 |
M |
0 |
|
|
0 |
|
|
|
|
20023 |
9200 |
product |
21985 |
M |
0 |
|
|
0 |
|
|
|
|
20024 |
9201 |
product |
21986 |
M |
0 |
|
|
0 |
|
|
|
|
20832 |
9194 |
product |
22794 |
M |
0 |
|
|
0 |
|
|
|
|
79744 |
9202 |
product |
81687 |
M |
0 |
|
|
0 |
|
|
|
|
81132 |
9177 |
product |
83075 |
M |
0 |
|
|
0 |
|
|
|
|
81482 |
9180 |
product |
83425 |
M |
0 |
|
|
0 |
|
|
|
|
81493 |
9170 |
product |
83436 |
M |
0 |
|
|
0 |
|
|
|
|
82018 |
9176 |
product |
83961 |
M |
0 |
|
|
0 |
|
|
|
|
80942 |
9189 |
product |
82885 |
M |
2 |
|
|