Query time 0.00250
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "18.12"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "cscart_categories",
"access_type": "ref",
"possible_keys": [
"c_status",
"parent",
"id_path"
],
"key": "parent",
"used_key_parts": [
"parent_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 15,
"rows_produced_per_join": 0,
"filtered": "0.33",
"cost_info": {
"read_cost": "15.00",
"eval_cost": "0.01",
"prefix_cost": "18.00",
"data_read_per_join": "303"
},
"used_columns": [
"category_id",
"parent_id",
"id_path",
"company_id",
"usergroup_ids",
"status",
"position",
"is_trash",
"storefront_id"
],
"attached_condition": "(((`webmarco`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`webmarco`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`webmarco`.`cscart_categories`.`usergroup_ids`)) and (`webmarco`.`cscart_categories`.`status` = 'A') and (`webmarco`.`cscart_categories`.`id_path` like '4271/4805/5098/%') and (`webmarco`.`cscart_categories`.`storefront_id` in (0,1)))"
}
},
{
"table": {
"table_name": "cscart_category_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"lang_code"
],
"key_length": "9",
"ref": [
"webmarco.cscart_categories.category_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.05",
"eval_cost": "0.01",
"prefix_cost": "18.06",
"data_read_per_join": "208"
},
"used_columns": [
"category_id",
"lang_code",
"category"
]
}
},
{
"table": {
"table_name": "cscart_seo_names",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"dispatch"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"type",
"dispatch",
"lang_code"
],
"key_length": "206",
"ref": [
"webmarco.cscart_categories.category_id",
"const",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.05",
"eval_cost": "0.01",
"prefix_cost": "18.12",
"data_read_per_join": "86"
},
"used_columns": [
"name",
"object_id",
"company_id",
"type",
"dispatch",
"path",
"lang_code"
]
}
}
]
}
}
}
Result
category_id |
parent_id |
id_path |
category |
position |
status |
company_id |
storefront_id |
seo_name |
seo_path |
9373 |
5098 |
4271/4805/5098/9373 |
Cassette Players & Recorders |
0 |
A |
0 |
0 |
cassette-players-and-recorders-en |
4271/4805/5098 |
5170 |
5098 |
4271/4805/5098/5170 |
Reel-to-Reel Tape Players & Recorders |
10 |
A |
0 |
0 |
reel-to-reel-tape-players-and-recorders |
4271/4805/5098 |
5113 |
5098 |
4271/4805/5098/5113 |
Boomboxes |
10 |
A |
0 |
0 |
boomboxes |
4271/4805/5098 |
5127 |
5098 |
4271/4805/5098/5127 |
CD Players & Recorders |
20 |
A |
0 |
0 |
cd-players-and-recorders |
4271/4805/5098 |
5179 |
5098 |
4271/4805/5098/5179 |
Stereo Systems |
20 |
A |
0 |
0 |
stereo-systems |
4271/4805/5098 |
5138 |
5098 |
4271/4805/5098/5138 |
Cassette Players & Recorders |
30 |
A |
0 |
0 |
cassette-players-and-recorders |
4271/4805/5098 |
5185 |
5098 |
4271/4805/5098/5185 |
Turntables & Record Players |
30 |
A |
0 |
0 |
turntables-and-record-players |
4271/4805/5098 |
5194 |
5098 |
4271/4805/5098/5194 |
Voice Recorders |
40 |
A |
0 |
0 |
voice-recorders |
4271/4805/5098 |
5143 |
5098 |
4271/4805/5098/5143 |
Home Theater Systems |
40 |
A |
0 |
0 |
home-theater-systems |
4271/4805/5098 |
5150 |
5098 |
4271/4805/5098/5150 |
Jukeboxes |
50 |
A |
0 |
0 |
jukeboxes |
4271/4805/5098 |
5155 |
5098 |
4271/4805/5098/5155 |
Karaoke Systems |
60 |
A |
0 |
0 |
karaoke-systems |
4271/4805/5098 |
5164 |
5098 |
4271/4805/5098/5164 |
MP3 Players |
70 |
A |
0 |
0 |
mp3-players |
4271/4805/5098 |
5169 |
5098 |
4271/4805/5098/5169 |
MiniDisc Players & Recorders |
80 |
A |
0 |
0 |
minidisc-players-and-recorders |
4271/4805/5098 |
5177 |
5098 |
4271/4805/5098/5177 |
Multitrack Recorders |
90 |
A |
0 |
0 |
multitrack-recorders |
4271/4805/5098 |
5182 |
5098 |
4271/4805/5098/5182 |
Radios |
100 |
A |
0 |
0 |
radios |
4271/4805/5098 |