Query time 0.00096
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "5.71"
},
"nested_loop": [
{
"table": {
"table_name": "v",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"fl",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "idx_product_feature_variant_id",
"used_key_parts": [
"product_id",
"feature_id"
],
"key_length": "6",
"rows_examined_per_scan": 6,
"rows_produced_per_join": 6,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.91",
"eval_cost": "0.60",
"prefix_cost": "1.51",
"data_read_per_join": "4K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id"
],
"attached_condition": "((`cscartdb`.`v`.`feature_id` = 248) and (`cscartdb`.`v`.`product_id` in ('16256','13167','16257','16258','16261','16262')))"
}
},
{
"table": {
"table_name": "vd",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id",
"lang_code"
],
"key_length": "9",
"ref": [
"cscartdb.v.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.50",
"eval_cost": "0.60",
"prefix_cost": "3.61",
"data_read_per_join": "18K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
},
{
"table": {
"table_name": "vf",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"ref": [
"cscartdb.v.variant_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.50",
"eval_cost": "0.60",
"prefix_cost": "5.71",
"data_read_per_join": "6K"
},
"used_columns": [
"variant_id",
"color",
"position"
]
}
}
]
}
}
Result
variant_id |
product_id |
variant |
position |
color |
1336 |
13167 |
None |
0 |
#ffffff |
1084 |
16256 |
Suction Cup |
1 |
#000000 |
1080 |
16257 |
Cum tube |
2 |
#000000 |
1333 |
16258 |
Hard Core / Super Soft |
3 |
#000000 |
1087 |
16261 |
Glow in the Dark Blue pigment (Replaces Secondary Colour) |
4 |
#00ffff |
1085 |
16262 |
Glow in the Dark Green pigment (Replaces Secondary Colour) |
5 |
#00ff00 |