Convert Array Data to String In MongoDB

Yadollah khaje hosseini

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Oct 2, 2023

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db.embryos.find().forEach(
      function (elem) {
        let oocyteReceiverIdVar = null;
        for(let index in elem.oocyteReceiverId){

            if(elem.oocyteReceiverId[index] != undefined)
            {
                oocyteReceiverIdVar = elem.oocyteReceiverId[index];
                break;
            }
            
            
        }
        
        db.embryos.updateOne(
            {
                _id: elem._id
                
            },
            {
                $set:{
                    "oocyteReceiverId":oocyteReceiverIdVar
                }
                
            }
        )
           
      }
       
      )

db.fertilizations.find({ $and : [{"oocyteReceiverId" : { $ne : null }}, {"oocyteReceiverId" : { $type : "array" }}] }).forEach(
      function (elem) {
        let oocyteReceiverIdVar = null; 
  if(typeof elem.oocyteReceiverId === 'object' ){
   for(let index in elem.oocyteReceiverId){
    if(  elem.oocyteReceiverId[index] != undefined  )
    {

     oocyteReceiverIdVar = elem.oocyteReceiverId[index];
     break;
    }   
            
   }
   db.fertilizations.updateOne(
    {
      _id: elem._id
     
     },
     {
      $set:{
       "oocyteReceiverId":oocyteReceiverIdVar
      }
     
    }
   )
  }
           
      }

       
)