Query time 0.00094
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "212.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "41.00"
},
"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": 41,
"rows_produced_per_join": 41,
"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 ('36773','36774','36775','36776','36777','36780','36781','36782','36783','36784','36785','36786','36787','36788','36789','36790')))",
"cost_info": {
"read_cost": "65.21",
"eval_cost": "8.20",
"prefix_cost": "73.41",
"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": 41,
"filtered": "100.00",
"cost_info": {
"read_cost": "41.00",
"eval_cost": "8.20",
"prefix_cost": "122.61",
"data_read_per_join": "31K"
},
"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": 41,
"filtered": "100.00",
"cost_info": {
"read_cost": "41.00",
"eval_cost": "8.20",
"prefix_cost": "171.81",
"data_read_per_join": "24K"
},
"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 |
|
|
|
|
59127 |
36790 |
product |
61083 |
M |
0 |
|
|
0 |
|
|
|
|
59128 |
36789 |
product |
61084 |
M |
0 |
|
|
0 |
|
|
|
|
59131 |
36788 |
product |
61087 |
M |
0 |
|
|
0 |
|
|
|
|
59133 |
36787 |
product |
61089 |
M |
0 |
|
|
0 |
|
|
|
|
59138 |
36786 |
product |
61094 |
M |
0 |
|
|
0 |
|
|
|
|
59139 |
36785 |
product |
61095 |
M |
0 |
|
|
0 |
|
|
|
|
59140 |
36784 |
product |
61096 |
M |
0 |
|
|
0 |
|
|
|
|
59145 |
36783 |
product |
61101 |
M |
0 |
|
|
0 |
|
|
|
|
59146 |
36782 |
product |
61102 |
M |
0 |
|
|
0 |
|
|
|
|
59147 |
36781 |
product |
61103 |
M |
0 |
|
|
0 |
|
|
|
|
59148 |
36780 |
product |
61104 |
M |
0 |
|
|
0 |
|
|
|
|
59152 |
36777 |
product |
61108 |
M |
0 |
|
|
0 |
|
|
|
|
61910 |
36776 |
product |
63866 |
M |
0 |
|
|
0 |
|
|
|
|
61911 |
36775 |
product |
63867 |
M |
0 |
|
|
0 |
|
|
|
|
61912 |
36774 |
product |
63868 |
M |
0 |
|
|
0 |
|
|
|
|
61913 |
36773 |
product |
63869 |
M |
0 |
|
|