SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.short_description, 
  IF(
    cscart_product_descriptions.short_description = '' 
    OR cscart_product_descriptions.short_description IS NULL, 
    cscart_product_descriptions.full_description, 
    ''
  ) AS full_description 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    89844, 89845, 89916, 89917, 91483, 91484, 
    85283, 85284, 85380, 85381, 85431, 
    85432, 85482, 85483, 82712, 83301, 
    84496, 84562, 89749, 85281, 85378, 
    85429, 85480, 86466, 86742, 90013, 
    82713, 83302, 85278, 85279, 89750, 
    85282, 85379, 85430, 85481, 85276, 
    82583, 83018, 83019, 83570, 83572, 
    84515, 84581, 85050, 85136, 85182, 
    85228, 90852, 90854, 90931, 90933, 
    91092, 91093, 91178, 91179, 91233, 
    91234, 83016, 83567, 90849, 90928, 
    89742, 89743, 85277, 85048, 85049, 
    85134, 85135, 85180, 85181, 85226, 
    85227, 85044, 83017, 83568, 90850, 
    90929, 91069, 86463, 86464, 86739, 
    86740, 89740, 89741, 86605, 86606, 
    86674, 86675, 83458, 85042, 85043, 
    86603, 86672, 85280, 85377, 85428
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00252

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "43.24"
    },
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "product_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "lang_code"
      ],
      "key_length": "9",
      "rows_examined_per_scan": 96,
      "rows_produced_per_join": 96,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "33.64",
        "eval_cost": "9.60",
        "prefix_cost": "43.24",
        "data_read_per_join": "366K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "short_description",
        "full_description"
      ],
      "attached_condition": "((`nuie_scalesta_net`.`cscart_product_descriptions`.`product_id` in (89844,89845,89916,89917,91483,91484,85283,85284,85380,85381,85431,85432,85482,85483,82712,83301,84496,84562,89749,85281,85378,85429,85480,86466,86742,90013,82713,83302,85278,85279,89750,85282,85379,85430,85481,85276,82583,83018,83019,83570,83572,84515,84581,85050,85136,85182,85228,90852,90854,90931,90933,91092,91093,91178,91179,91233,91234,83016,83567,90849,90928,89742,89743,85277,85048,85049,85134,85135,85180,85181,85226,85227,85044,83017,83568,90850,90929,91069,86463,86464,86739,86740,89740,89741,86605,86606,86674,86675,83458,85042,85043,86603,86672,85280,85377,85428)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}

Result

product_id short_description full_description
82583 nuie Arno 800mm Floor Standing 2-Door Vanity & Minimalist Basin - Gloss White
82712 nuie Arno 600mm Floor Standing 2-Drawer Vanity & Mid-Edge Basin - Gloss White
82713 nuie Arno 600mm Floor Standing 2-Drawer Vanity & Minimalist Basin - Gloss White
83016 nuie Arno 600mm Floor Standing 2-Door Vanity & Mid-Edge Basin - Satin Green
83017 nuie Arno 600mm Floor Standing 2-Door Vanity & Minimalist Basin - Satin Green
83018 nuie Arno 600mm Floor Standing 2-Door Vanity & Thin-Edge Basin - Satin Green
83019 nuie Arno 600mm Floor Standing 2-Door Vanity & Curved Basin - Satin Green
83301 nuie Athena Floor Standing 2 Drawer Vanity With Mid-Edge 1 Tap Hole Ceramic Basin 600mm - Gloss White
83302 nuie Athena Floor Standing 2 Drawer Vanity With Minimalist 1 Tap Hole Ceramic Basin 600mm - Gloss White
83458 nuie Athena Floor Standing 2 Drawer Vanity With Worktop 800mm - Gloss White
83567 nuie Athena Floor Standing 2 Door Vanity With Mid-Edge 1 Tap Hole Ceramic Basin 600mm - Gloss Grey
83568 nuie Athena Floor Standing 2 Door Vanity With Minimalist 1 Tap Hole Ceramic Basin 600mm - Gloss Grey
83570 nuie Athena Floor Standing 2 Door Vanity With Thin-Edge 1 Tap Hole Ceramic Basin 600mm - Gloss Grey
83572 nuie Athena Floor Standing 2 Door Vanity With Curved 1 Tap Hole Ceramic Basin 600mm - Gloss Grey
84496 Hudson Reed Fusion Floor Standing 2 Door Vanity Unit & Polymarble Basin Compact 600mm - Anthracite Woodgrain
84515 Hudson Reed Fusion Floor Standing 2 Door Vanity Unit & Polymarble Basin Compact 500mm - Anthracite Woodgrain
84562 Hudson Reed Fusion Floor Standing 2 Door Vanity Unit & Polymarble Basin Compact 600mm - Hacienda Black
84581 Hudson Reed Fusion Floor Standing 2 Door Vanity Unit & Polymarble Basin Compact 500mm - Hacienda Black
85042 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Mid-Edge Basin - Satin White
85043 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Minimalist Basin - Satin White
85044 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Thin-Edge Basin - Satin White
85048 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Mid-Edge Basin - Satin Anthracite
85049 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Minimalist Basin - Satin Anthracite
85050 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Thin-Edge Basin - Satin Anthracite
85134 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Mid-Edge Basin - Satin Grey
85135 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Minimalist Basin - Satin Grey
85136 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Thin-Edge Basin - Satin Grey
85180 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Mid-Edge Basin - Satin Blue
85181 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Minimalist Basin - Satin Blue
85182 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Thin-Edge Basin - Satin Blue
85226 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Mid-Edge Basin - Satin Green
85227 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Minimalist Basin - Satin Green
85228 Hudson Reed Fluted 500mm Floor Standing 2-Door Vanity and Thin-Edge Basin - Satin Green
85276 nuie Deco 600mm Floor Standing 2-Door Vanity & Mid-Edge Basin - Satin White
85277 nuie Deco 600mm Floor Standing 2-Door Vanity & Minimalist Basin - Satin White
85278 nuie Deco 600mm Floor Standing 2-Door Vanity & Thin-Edge Basin - Satin White
85279 nuie Deco 600mm Floor Standing 2-Door Vanity & Curved Basin - Satin White
85280 nuie Deco 500mm Floor Standing 2-Door Vanity & Curved Basin - Satin Anthracite
85281 nuie Deco 600mm Floor Standing 2-Door Vanity & Mid-Edge Basin - Satin Anthracite
85282 nuie Deco 600mm Floor Standing 2-Door Vanity & Minimalist Basin - Satin Anthracite
85283 nuie Deco 600mm Floor Standing 2-Door Vanity & Thin-Edge Basin - Satin Anthracite
85284 nuie Deco 600mm Floor Standing 2-Door Vanity & Curved Basin - Satin Anthracite
85377 nuie Deco 500mm Floor Standing 2-Door Vanity & Curved Basin - Satin Grey
85378 nuie Deco 600mm Floor Standing 2-Door Vanity & Mid-Edge Basin - Satin Grey
85379 nuie Deco 600mm Floor Standing 2-Door Vanity & Minimalist Basin - Satin Grey
85380 nuie Deco 600mm Floor Standing 2-Door Vanity & Thin-Edge Basin - Satin Grey
85381 nuie Deco 600mm Floor Standing 2-Door Vanity & Curved Basin - Satin Grey
85428 nuie Deco 500mm Floor Standing 2-Door Vanity & Curved Basin - Satin Blue
85429 nuie Deco 600mm Floor Standing 2-Door Vanity & Mid-Edge Basin - Satin Blue
85430 nuie Deco 600mm Floor Standing 2-Door Vanity & Minimalist Basin - Satin Blue
85431 nuie Deco 600mm Floor Standing 2-Door Vanity & Thin-Edge Basin - Satin Blue
85432 nuie Deco 600mm Floor Standing 2-Door Vanity & Curved Basin - Satin Blue
85480 nuie Deco 600mm Floor Standing 2-Door Vanity & Mid-Edge Basin - Satin Green
85481 nuie Deco 600mm Floor Standing 2-Door Vanity & Minimalist Basin - Satin Green
85482 nuie Deco 600mm Floor Standing 2-Door Vanity & Thin-Edge Basin - Satin Green
85483 nuie Deco 600mm Floor Standing 2-Door Vanity & Curved Basin - Satin Green
86463 Hudson Reed Juno 500mm Floor Standing 2-Door Vanity & Thin-Edge 1 Tap Hole Basin - Autumn Oak
86464 Hudson Reed Juno 500mm Floor Standing 2-Door Vanity & Curved 1 Tap Hole Basin - Autumn Oak
86466 Hudson Reed Juno 600mm Floor Standing 2-Door Vanity & Minimalist 1 Tap Hole Basin - Autumn Oak
86603 Hudson Reed Juno 600mm Floor Standing 2-Door Vanity & Mid-Edge 1 Tap Hole Basin - Graphite Grey
86605 Hudson Reed Juno 600mm Floor Standing 2-Door Vanity & Thin-Edge 1 Tap Hole Basin - Graphite Grey
86606 Hudson Reed Juno 600mm Floor Standing 2-Door Vanity & Curved 1 Tap Hole Basin - Graphite Grey
86672 Hudson Reed Juno 600mm Floor Standing 2-Door Vanity & Mid-Edge 1 Tap Hole Basin - Coastal Grey
86674 Hudson Reed Juno 600mm Floor Standing 2-Door Vanity & Thin-Edge 1 Tap Hole Basin - Coastal Grey
86675 Hudson Reed Juno 600mm Floor Standing 2-Door Vanity & Curved 1 Tap Hole Basin - Coastal Grey
86739 Hudson Reed Juno Floor Standing 2 Door Vanity Basin Unit & Thin-Edge Ceramic Basin, 500mm - Metallic Slate
86740 Hudson Reed Juno Floor Standing 2 Door Vanity Basin Unit & Curved Ceramic Basin, 500mm - Metallic Slate
86742 Hudson Reed Juno Floor Standing 2 Door Vanity Basin Unit & Minimalist Ceramic Basin, 600mm - Metallic Slate
89740 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity Unit with Mid-Edge Basin 500mm - Satin White
89741 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity Unit with Minimalist Basin 500mm - Satin White
89742 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity Unit with Thin-Edge Basin 500mm - Satin White
89743 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity Unit with Curved Basin 500mm - Satin White
89749 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity Unit with Mid-Edge Basin 600mm - Satin White
89750 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity Unit with Minimalist Basin 600mm - Satin White
89844 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity Unit with Mid-Edge Basin 500mm - Satin Blue
89845 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity Unit with Minimalist Basin 500mm - Satin Blue
89916 Hudson Reed Urban 500mm Floor Standing 2-Door/Drawer Unit and Mid-Edge Basin 1 Tap Hole - Satin Green
89917 Hudson Reed Urban 500mm Floor Standing 2-Door/Drawer Unit and Minimalist Basin 1 Tap Hole - Satin Green
90013 nuie Mayford Floor Standing 3 Door 2 Drawer Vanity Unit with Round Ceramic Basin 850mm - Gloss White
90849 nuie Arno Floor Standing 2 Door Vanity & Mid-Edge Ceramic Basin, 600mm - Satin Anthracite
90850 nuie Arno Floor Standing 2 Door Vanity & Minimalist Ceramic Basin, 600mm - Satin Anthracite
90852 nuie Arno Floor Standing 2 Door Vanity & Thin-Edge Ceramic Basin, 600mm - Satin Anthracite
90854 nuie Arno Floor Standing 2 Door Vanity & Curved Ceramic Basin, 600mm - Satin Anthracite
90928 nuie Arno Floor Standing 2 Door Vanity & Mid-Edge Ceramic Basin, 600mm - Satin Grey
90929 nuie Arno Floor Standing 2 Door Vanity & Minimalist Ceramic Basin, 600mm - Satin Grey
90931 nuie Arno Floor Standing 2 Door Vanity & Thin-Edge Ceramic Basin, 600mm - Satin Grey
90933 nuie Arno Floor Standing 2 Door Vanity & Curved Ceramic Basin, 600mm - Satin Grey
91069 nuie Classique Floor Standing 2 Door Unit & 3 Tap Hole Fireclay Basin, 600mm - Satin White
91092 nuie Classique Floor Standing 2 Door Unit & 1 Tap Hole Fireclay Basin, 600mm - Satin Anthracite
91093 nuie Classique Floor Standing 2 Door Unit & 3 Tap Hole Fireclay Basin, 600mm - Satin Anthracite
91178 nuie Classique Floor Standing 2 Door Unit & 1 Tap Hole Fireclay Basin, 600mm - Satin Grey
91179 nuie Classique Floor Standing 2 Door Unit & 3 Tap Hole Fireclay Basin, 600mm - Satin Grey
91233 nuie Classique Floor Standing 2 Door Unit & 1 Tap Hole Fireclay Basin, 600mm - Satin Green/Black
91234 nuie Classique Floor Standing 2 Door Unit & 3 Tap Hole Fireclay Basin, 600mm - Satin Green/Black
91483 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity & Mid-Edge Ceramic Basin, 500mm - Satin Anthracite
91484 Hudson Reed Urban Floor Standing 2 Door 1 Drawer Vanity & Minimalist Ceramic Basin, 500mm - Satin Anthracite