Query time 0.00816
JSON explain
{
"query_block": {
"select_id": 1,
"cost": 0.060719156,
"nested_loop": [
{
"table": {
"table_name": "tmall_products_categories",
"access_type": "range",
"possible_keys": ["PRIMARY", "pt"],
"key": "pt",
"key_length": "3",
"used_key_parts": ["product_id"],
"loops": 1,
"rows": 10,
"cost": 0.019155852,
"filtered": 100,
"index_condition": "tmall_products_categories.product_id in (131,152,160,122,115,129,127,124,150,151)"
}
},
{
"table": {
"table_name": "tmall_categories",
"access_type": "eq_ref",
"possible_keys": ["PRIMARY", "c_status", "p_category_id"],
"key": "PRIMARY",
"key_length": "3",
"used_key_parts": ["category_id"],
"ref": ["tmall.tmall_products_categories.category_id"],
"loops": 10,
"rows": 1,
"cost": 0.01749506,
"filtered": 100,
"attached_condition": "tmall_categories.storefront_id in (0,1) and (tmall_categories.usergroup_ids = '' or find_in_set(0,tmall_categories.usergroup_ids) or find_in_set(1,tmall_categories.usergroup_ids)) and tmall_categories.`status` in ('A','H')"
}
},
{
"table": {
"table_name": "product_position_source",
"access_type": "eq_ref",
"possible_keys": ["PRIMARY", "pt"],
"key": "PRIMARY",
"key_length": "6",
"used_key_parts": ["category_id", "product_id"],
"ref": ["const", "tmall.tmall_products_categories.product_id"],
"loops": 10,
"rows": 1,
"cost": 0.01769986,
"filtered": 100
}
}
]
}
}
Result
| product_id |
category_ids |
position |
| 115 |
208M |
|
| 122 |
208M |
|
| 124 |
208M |
|
| 127 |
209M |
|
| 129 |
209M |
|
| 131 |
209M |
|
| 150 |
210M |
|
| 151 |
210M |
|
| 152 |
210M |
|
| 160 |
210M |
|