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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 (
    5786, 5787, 5788, 5789, 5790, 5791, 5792, 
    5793, 5794, 5795, 5796, 5797, 5798, 
    5799, 5800, 5801, 5802, 5803, 5804, 
    5805, 5806, 5807, 5808, 5809, 5810, 
    5811, 5812
  )

Query time 0.00026

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}