Query time 0.00105
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "34.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "6.00"
},
"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": 6,
"rows_produced_per_join": 6,
"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 (264969,264973,264977,264974,264975,264976)))",
"cost_info": {
"read_cost": "13.21",
"eval_cost": "1.20",
"prefix_cost": "14.41",
"data_read_per_join": "576"
},
"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": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.00",
"eval_cost": "1.20",
"prefix_cost": "21.61",
"data_read_per_join": "4K"
},
"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": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.00",
"eval_cost": "1.20",
"prefix_cost": "28.81",
"data_read_per_join": "3K"
},
"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 |
atlete_bc4u-2n.jpg |
1243 |
1015 |
N |
1378493 |
264969 |
product |
345018 |
M |
0 |
|
345018 |
0 |
kepuce_3_y8qy-hm_m0jl-ff.jpg |
1243 |
1215 |
N |
1378532 |
264973 |
product |
348834 |
M |
1 |
|
348834 |
0 |
kepuce_3_y8qy-hm_zf8q-o6.jpg |
1243 |
1215 |
N |
1378593 |
264974 |
product |
348835 |
M |
1 |
|
348835 |
0 |
kepuce_3_y8qy-hm_7ltv-l0.jpg |
1243 |
1215 |
N |
1378625 |
264975 |
product |
348837 |
M |
1 |
|
348837 |
0 |
kepuce_3_y8qy-hm_ergd-85.jpg |
1243 |
1215 |
N |
1378656 |
264976 |
product |
348838 |
M |
1 |
|
348838 |
0 |
kepuce_3_y8qy-hm_cfts-rk.jpg |
1243 |
1215 |
N |
1378717 |
264977 |
product |
348839 |
M |
1 |
|
348839 |