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SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    10838, 10839, 12985, 12986, 12987, 12988, 
    12989, 12990, 12991, 12992, 12993, 
    12994, 10403, 10404, 10405, 15781, 
    10406, 10407, 10408, 10409, 10410, 
    10411, 10412, 12853, 12854, 12855, 
    10414, 10415, 10416, 12856, 10417, 
    10418, 10419, 10420, 10421, 10422, 
    10423, 10424, 10384, 10383, 10382, 
    10753, 10754, 10755, 10296, 10297, 
    10298, 10299, 10300, 10446, 10063, 
    10052, 10072, 10046, 10059, 10064, 
    10057, 10048, 10062, 10070, 10058, 
    10045, 10054, 10047
  )

Query time 0.00027

JSON explain

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