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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 (
    1904, 1905, 1906, 1907, 1908, 1909, 1910, 
    1911, 1912, 1913, 1914, 1915, 1916, 
    1917, 1918, 1919, 1920, 1921, 1922, 
    1923, 1924, 1925, 1926, 1927, 1928, 
    1929, 1930, 1931, 5560, 5561, 5562, 
    5563, 5564, 5565, 5566, 5567, 5568, 
    5569, 5570, 5571, 5572, 5573, 5574, 
    5575, 5576, 5577, 5578, 5579
  ) 
  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"
  }
}