Query time 0.00101
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "40.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "7.00"
},
"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": 7,
"rows_produced_per_join": 7,
"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 (225066,225067,225068,225069,225070,225071,225072)))",
"cost_info": {
"read_cost": "15.41",
"eval_cost": "1.40",
"prefix_cost": "16.81",
"data_read_per_join": "672"
},
"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": 7,
"filtered": "100.00",
"cost_info": {
"read_cost": "7.00",
"eval_cost": "1.40",
"prefix_cost": "25.21",
"data_read_per_join": "5K"
},
"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": 7,
"filtered": "100.00",
"cost_info": {
"read_cost": "7.00",
"eval_cost": "1.40",
"prefix_cost": "33.61",
"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 |
triple_family.png |
800 |
800 |
N |
1043770 |
225066 |
product |
250230 |
M |
0 |
|
250230 |
0 |
triple_family_cue6-o1.png |
800 |
800 |
N |
1043772 |
225067 |
product |
250232 |
M |
0 |
|
250232 |
0 |
triple_family_6nfl-ox.png |
800 |
800 |
N |
1043774 |
225068 |
product |
250234 |
M |
0 |
|
250234 |
0 |
triple_family_kpeu-v1.png |
800 |
800 |
N |
1043776 |
225069 |
product |
250236 |
M |
0 |
|
250236 |
0 |
triple_family_n9fk-i8.png |
800 |
800 |
N |
1043778 |
225070 |
product |
250238 |
M |
0 |
|
250238 |
0 |
triple_family_p1gl-pp.png |
800 |
800 |
N |
1043780 |
225071 |
product |
250240 |
M |
0 |
|
250240 |
0 |
triple_family_ratb-6u.png |
800 |
800 |
N |
1043782 |
225072 |
product |
250242 |
M |
0 |
|
250242 |