Query time 0.00087
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "323.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "64.00"
},
"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": 64,
"rows_produced_per_join": 64,
"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 ('31137','31138','31139','31140','31141','31142','31143','31144','31145','31146','31147','31148','31149','31150','31151','31152')))",
"cost_info": {
"read_cost": "92.81",
"eval_cost": "12.80",
"prefix_cost": "105.61",
"data_read_per_join": "6K"
},
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 64,
"filtered": "100.00",
"cost_info": {
"read_cost": "64.00",
"eval_cost": "12.80",
"prefix_cost": "182.41",
"data_read_per_join": "49K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
],
"attached_condition": "<if>(is_not_null_compl(q_images), (`portal`.`q_images_links`.`detailed_id` = `portal`.`q_images`.`image_id`), true)"
}
},
{
"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": 64,
"filtered": "100.00",
"cost_info": {
"read_cost": "64.00",
"eval_cost": "12.80",
"prefix_cost": "259.21",
"data_read_per_join": "38K"
},
"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 |
51jZxoNg9PL._SL1000_.jpg |
1000 |
1000 |
N |
49668 |
31139 |
product |
51629 |
M |
0 |
|
51629 |
0 |
51cDoVKqe2L.jpg |
500 |
500 |
N |
49670 |
31137 |
product |
51631 |
M |
0 |
|
51631 |
0 |
71HlUv0EHAL._AC_UL436_.jpg |
436 |
430 |
N |
49746 |
31140 |
product |
51707 |
M |
0 |
|
51707 |
0 |
51HaLiHVLML._AC_UL436_.jpg |
436 |
388 |
N |
49747 |
31142 |
product |
51708 |
M |
0 |
|
51708 |
0 |
71Is4sgwxcL._AC_UL436_.jpg |
436 |
436 |
N |
49748 |
31143 |
product |
51709 |
M |
0 |
|
51709 |
0 |
61ebi5ONwkL._AC_UL436_.jpg |
436 |
436 |
N |
49749 |
31144 |
product |
51710 |
M |
0 |
|
51710 |
0 |
download__1__zx5o-c3.jpg |
300 |
300 |
N |
49750 |
31146 |
product |
51711 |
M |
0 |
|
51711 |
0 |
51-j9kimbDL._SX425_.jpg |
425 |
425 |
N |
49751 |
31147 |
product |
51712 |
M |
0 |
|
51712 |
0 |
71or3hysGPL._AC_UL436_.jpg |
436 |
436 |
N |
49752 |
31150 |
product |
51713 |
M |
0 |
|
51713 |
0 |
517fXlYZHiL._AC_UL436_SEARCH212385_.jpg |
436 |
423 |
N |
49758 |
31151 |
product |
51719 |
M |
0 |
|
51719 |
0 |
51bPcPCW0bL._AC_UL436_SEARCH212385_.jpg |
436 |
436 |
N |
49759 |
31152 |
product |
51720 |
M |
0 |
|
51720 |
0 |
61nXqSyOC6L._SL1000__m71m-ur.jpg |
1000 |
1000 |
N |
65535 |
31138 |
product |
67486 |
M |
0 |
|
67486 |