Query time 0.00109
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "46.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "8.00"
},
"nested_loop": [
{
"table": {
"table_name": "cscart_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": 8,
"rows_produced_per_join": 8,
"filtered": "100.00",
"index_condition": "((`webmarco`.`cscart_images_links`.`object_type` = 'product') and (`webmarco`.`cscart_images_links`.`type` = 'M') and (`webmarco`.`cscart_images_links`.`object_id` in (264939,264944,264949,264959,264940,264941,264942,264943)))",
"cost_info": {
"read_cost": "17.61",
"eval_cost": "1.60",
"prefix_cost": "19.21",
"data_read_per_join": "768"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"image_id",
"detailed_id",
"type",
"position"
]
}
},
{
"table": {
"table_name": "cscart_images",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"image_id"
],
"key_length": "4",
"ref": [
"webmarco.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "8.00",
"eval_cost": "1.60",
"prefix_cost": "28.81",
"data_read_per_join": "6K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"table": {
"table_name": "cscart_common_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"lang_code",
"object_holder"
],
"key_length": "108",
"ref": [
"webmarco.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "8.00",
"eval_cost": "1.60",
"prefix_cost": "38.41",
"data_read_per_join": "4K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
]
}
}
]
}
}
}
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 |
black1.jpg |
1236 |
1226 |
N |
1377574 |
264939 |
product |
344529 |
M |
2 |
|
344529 |
0 |
blue_u7cf-ic_t3yk-0b.jpg |
1243 |
768 |
N |
1377615 |
264940 |
product |
348605 |
M |
3 |
|
348605 |
0 |
blue_u7cf-ic_s79n-yc.jpg |
1243 |
768 |
N |
1377616 |
264941 |
product |
348606 |
M |
3 |
|
348606 |
0 |
blue_u7cf-ic_f5os-98.jpg |
1243 |
768 |
N |
1377647 |
264942 |
product |
348607 |
M |
3 |
|
348607 |
0 |
blue_u7cf-ic_jckg-g4.jpg |
1243 |
768 |
N |
1377648 |
264943 |
product |
348608 |
M |
3 |
|
348608 |
0 |
blue_u7cf-ic_psrf-sq.jpg |
1243 |
768 |
N |
1377709 |
264944 |
product |
348609 |
M |
3 |
|
348609 |
0 |
pink_hkyi-22_wnyd-lt.jpg |
1243 |
913 |
N |
1377714 |
264949 |
product |
348614 |
M |
3 |
|
348614 |
0 |
beige_08c0-11_mnav-pc.jpg |
1209 |
910 |
N |
1378067 |
264959 |
product |
348627 |
M |
3 |
|
348627 |