Query time 0.00040
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "20.97"
},
"nested_loop": [
{
"table": {
"table_name": "l",
"access_type": "ALL",
"possible_keys": [
"PRIMARY"
],
"rows_examined_per_scan": 68,
"rows_produced_per_join": 1,
"filtered": "1.47",
"cost_info": {
"read_cost": "15.97",
"eval_cost": "0.20",
"prefix_cost": "16.17",
"data_read_per_join": "232"
},
"used_columns": [
"location_id",
"is_default",
"layout_id"
],
"attached_condition": "((`db_emaika1`.`l`.`layout_id` = 1) and (`db_emaika1`.`l`.`is_default` = 1))"
}
},
{
"table": {
"table_name": "c",
"access_type": "ref",
"possible_keys": [
"location_id",
"location_id_company_id",
"location_id_position_company_id"
],
"key": "location_id",
"used_key_parts": [
"location_id"
],
"key_length": "3",
"ref": [
"db_emaika1.l.location_id"
],
"rows_examined_per_scan": 4,
"rows_produced_per_join": 2,
"filtered": "50.00",
"cost_info": {
"read_cost": "4.00",
"eval_cost": "0.40",
"prefix_cost": "20.97",
"data_read_per_join": "816"
},
"used_columns": [
"container_id",
"location_id",
"position",
"width",
"user_class",
"linked_to_default",
"status",
"company_id"
],
"attached_condition": "(`db_emaika1`.`c`.`position` in ('TOP_PANEL','HEADER','FOOTER'))"
}
}
]
}
}
Result
container_id |
location_id |
position |
width |
user_class |
linked_to_default |
status |
company_id |
default |
1 |
1 |
TOP_PANEL |
16 |
top-grid |
Y |
D |
0 |
0 |
2 |
1 |
HEADER |
16 |
header-grid |
Y |
A |
0 |
0 |
4 |
1 |
FOOTER |
16 |
ty-footer-grid |
Y |
A |
0 |
0 |