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SELECT 
  cscart_product_review_prepared_data.product_id AS product_id, 
  cscart_product_review_prepared_data.average_rating AS average_rating, 
  cscart_product_review_prepared_data.reviews_count AS reviews_count 
FROM 
  cscart_product_review_prepared_data 
WHERE 
  cscart_product_review_prepared_data.product_id IN (
    2512, 2513, 3837, 3838, 3839, 6109, 6110, 
    2277, 2278, 2279, 2280, 2327, 2328, 
    2329, 2330, 2394, 2395, 2396, 2397, 
    2398, 2399, 2400, 2401, 2402, 2505, 
    2506, 2507, 2508, 5876, 5877, 5878, 
    5879, 5880, 5926, 5927, 5928, 5929, 
    5930, 5994, 5995, 5996, 5997, 5998, 
    5999, 6000, 6001, 6002, 6105
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00045

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "Impossible WHERE noticed after reading const tables"
  }
}