Query time 0.00088
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "47.71"
},
"nested_loop": [
{
"table": {
"table_name": "gp",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "3",
"rows_examined_per_scan": 38,
"rows_produced_per_join": 38,
"filtered": "100.00",
"index_condition": "(`test_uchur_k`.`gp`.`group_id` in (223,212,174,177,217,170,211,173,216,219,167,166,210,193,148,144))",
"cost_info": {
"read_cost": "17.31",
"eval_cost": "3.80",
"prefix_cost": "21.11",
"data_read_per_join": "608"
},
"used_columns": [
"product_id",
"group_id"
]
}
},
{
"table": {
"table_name": "gpf",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "3",
"ref": [
"test_uchur_k.gp.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 38,
"filtered": "100.00",
"cost_info": {
"read_cost": "9.50",
"eval_cost": "3.80",
"prefix_cost": "34.41",
"data_read_per_join": "3K"
},
"used_columns": [
"feature_id",
"group_id"
]
}
},
{
"table": {
"table_name": "pfv",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"fl",
"lang_code",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "fpl",
"used_key_parts": [
"feature_id",
"product_id",
"lang_code"
],
"key_length": "12",
"ref": [
"test_uchur_k.gpf.feature_id",
"test_uchur_k.gp.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 38,
"filtered": "100.00",
"cost_info": {
"read_cost": "9.50",
"eval_cost": "3.80",
"prefix_cost": "47.71",
"data_read_per_join": "29K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
Result
| feature_id |
product_id |
variant_id |
group_id |
| 193 |
51182 |
1370 |
144 |
| 193 |
51181 |
1369 |
144 |
| 193 |
51180 |
1368 |
144 |
| 193 |
51179 |
1367 |
144 |
| 193 |
51178 |
1366 |
144 |
| 193 |
51177 |
1365 |
144 |
| 193 |
93 |
1371 |
144 |
| 193 |
10 |
1373 |
148 |
| 193 |
51289 |
1364 |
166 |
| 193 |
51288 |
1363 |
166 |
| 193 |
51287 |
1362 |
166 |
| 193 |
51286 |
1361 |
166 |
| 193 |
51285 |
1360 |
166 |
| 193 |
51284 |
1359 |
166 |
| 193 |
51283 |
1358 |
166 |
| 193 |
8 |
1357 |
166 |
| 193 |
51294 |
1362 |
167 |
| 193 |
51293 |
1361 |
167 |
| 193 |
51292 |
1360 |
167 |
| 193 |
51291 |
1359 |
167 |
| 193 |
51290 |
1358 |
167 |
| 193 |
94 |
1357 |
167 |
| 193 |
142 |
1373 |
170 |
| 193 |
62 |
1373 |
173 |
| 193 |
141 |
1373 |
174 |
| 193 |
23 |
1373 |
177 |
| 193 |
54 |
1357 |
193 |
| 193 |
51313 |
1361 |
193 |
| 193 |
51312 |
1360 |
193 |
| 193 |
51314 |
1362 |
193 |
| 193 |
51311 |
1359 |
193 |
| 193 |
51310 |
1358 |
193 |
| 193 |
86 |
1373 |
210 |
| 193 |
51344 |
1386 |
211 |
| 193 |
120 |
1385 |
211 |
| 193 |
51345 |
1386 |
212 |
| 193 |
119 |
1385 |
212 |
| 193 |
108 |
1373 |
216 |
| 193 |
4 |
1373 |
217 |
| 193 |
107 |
1373 |
219 |
| 193 |
51348 |
1386 |
223 |
| 193 |
121 |
1385 |
223 |