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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, 
  cscart_product_descriptions.meta_keywords, 
  cscart_product_descriptions.meta_description, 
  cscart_product_descriptions.search_words, 
  cscart_product_descriptions.promo_text 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (352, 354, 356, 357, 353, 358, 359) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00036

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": ["PRIMARY", "product_id"],
      "key": "PRIMARY",
      "key_length": "9",
      "used_key_parts": ["product_id", "lang_code"],
      "rows": 7,
      "filtered": 100,
      "index_condition": "cscart_product_descriptions.product_id in (352,354,356,357,353,358,359) and cscart_product_descriptions.lang_code = 'en'"
    }
  }
}

Result

product_id	short_description	full_description	meta_keywords	meta_description	search_words	promo_text
352		3/8"-16 to 1/4"-20 bush adapter <p></p> <div style="font-size:16px; border-bottom:dotted 1px #666666;margin:60px 0 20px 0;padding-bottom:8px;">Specification</div> <table align="center" width="100%" cellpadding="5" cellspacing="1" bgcolor="#424242" style="font-size: 10pt; color:#424242;"> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Code</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">BU1</div></td> </tr> <tr> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="center"><strong>Weight</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">1.4g</div></td> </tr> </table>
353		<br> <p>3/8"-16 UNC Center Bolt to install Markins Quickshoes</p> <div style="font-size:16px; border-bottom:dotted 1px #666666;margin:60px 0 20px 0;padding-bottom:8px;">Specification</div> <table align="center" width="100%" cellpadding="5" cellspacing="1" bgcolor="#424242" style="font-size: 10pt; color:#424242;"> <tr> <td width="40%" bgcolor="#ffffff"><div align="center"><strong>Code</strong></div></td> <td width="60%" bgcolor="#ffffff"><strong>CB1</strong></td> </tr> <tr> <td bgcolor="#ffffff"><div align="center"><strong>Model</strong></div></td> <td bgcolor="#ffffff">3/8"-16 unc </td> </tr> <tr> <td bgcolor="#ffffff"><div align="center"><strong>Size</strong></div></td> <td bgcolor="#ffffff"><div align="left">20mm</div></td> </tr> <tr> <td bgcolor="#ffffff"><div align="center"><strong>Material</strong></div></td> <td nowrap="nowrap" bgcolor="#ffffff">SUS 304</td> </tr> </table> <p>  </p>
354		<br> <p>HB1 plate screw.<br /> *Hex head (4mm) 1/4 unc </p> <br> <br> <div style="font-size:16px; border-bottom:dotted 1px #666666;margin:60px 0 20px 0;padding-bottom:8px;">Specification</div> <table align="center" width="100%" cellpadding="5" cellspacing="1" bgcolor="#424242" style="font-size: 10pt; color:#424242;"> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Code</strong></div></td> <td bgcolor="#ffffff"><div align="left"><strong>HB1</strong></div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Model</strong></div></td> <td align="middle" bgcolor="#ffffff"><div align="left">1/4 unc </div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Weight</strong></div></td> <td align="middle" bgcolor="#ffffff"><div align="left">5 g</div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong> Head diameter</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">12mm</div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Height</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">14mm </div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Material</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">SUS 304</div></td> </tr> </table> <p></p>
356		<br> <p>HBM1 flat head plate screw.<br /> *Flat head (4mm) 1/4 unc <br /> </p> <div style="font-size:16px; border-bottom:dotted 1px #666666;margin:60px 0 20px 0;padding-bottom:8px;">Specification</div> <table align="center" width="100%" cellpadding="5" cellspacing="1" bgcolor="#424242" style="font-size: 10pt; color:#424242;"> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Code</strong></div></td> <td bgcolor="#ffffff"><div align="left"><strong>HBM1</strong></div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Model</strong></div></td> <td align="middle" bgcolor="#ffffff"><div align="left">1/4 unc</div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Weight</strong></div></td> <td align="middle" bgcolor="#ffffff"><div align="left">5 g</div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Head diameter</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">12mm</div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Height</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">12-13mm</div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Material</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">SUS 304</div></td> </tr> </table> <p>  </p>
357		<br> <p>M6 Screw.<br /> *Hex head (4mm) 1/4 unc</p> <br> <br> <div style="font-size:16px; border-bottom:dotted 1px #666666;margin:60px 0 20px 0;padding-bottom:8px;">Specification</div> <table align="center" width="100%" cellpadding="5" cellspacing="1" bgcolor="#424242" style="font-size: 10pt; color:#424242;"> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Code</strong></div></td> <td bgcolor="#ffffff"><div align="left"><strong>M6BT</strong></div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Model</strong></div></td> <td align="middle" bgcolor="#ffffff"><div align="left">M6</div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Weight</strong></div></td> <td align="middle" bgcolor="#ffffff"><div align="left"> <p>3.6 g</p> </div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong> Head diameter</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">12mm</div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Height</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left"> <p>14.5mm </p> </div></td> </tr> <tr> <td align="middle" bgcolor="#ffffff"><div align="center"><strong>Material</strong></div></td> <td align="middle" nowrap="nowrap" bgcolor="#ffffff"><div align="left">SUS 304</div></td> </tr> </table> <p></p>
358		Rubber for Main Knob (Ball Locking Knob)<br> *for Q10・Q20 series
359		Rubber for Main Knob (Ball Locking Knob)<br> *for Q3 series <p> <br /> <br /> </p>