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Daley Huang How to avoid overwrite specific fields when upsert recode?
LastName and Company fields no nulls allowed, but I not want to overwrite if the recode is existing when upsert data, how to handle it?
list<Lead> objLead = new List<Lead>();
for (Integer i = 0; i < OpenIDList.size(); i++)
{
objLead.add(
New Lead(
LastName = 'LName',
company = 'Company A',
OpenID__c = '000001',
)
);
}
try {
upsert objLead OpenID__c;
} catch (DmlException e) {
}
list<Lead> objLead = new List<Lead>();
for (Integer i = 0; i < OpenIDList.size(); i++)
{
objLead.add(
New Lead(
LastName = 'LName',
company = 'Company A',
OpenID__c = '000001',
)
);
}
try {
upsert objLead OpenID__c;
} catch (DmlException e) {
}
For example : -
if(!(ObjName.fieldName != null && String.isNotBlank(String.valueOf(ObjName.fieldName))){
//assign the values here
}