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What is the best value to use for an Id of a specific SObjectType that matches no records?

What are Salesforce ID's composed of?Converting the Salesforce Pod Id to ServerUrl/NameQuerying Related objects using Partner Apiwant to auto click the link when a field update happens picklist value is “sent customer”Duplicate ID error - Don't understand other explanationsWhat are Best Practices for Upserting Objects with Foreign Key Members (i.e. References to Other Objects)What is the value of the first and final record id for an object?Id value is not valid for the Knowledge__kav standard controllerLightning how to pass attribute value from one component to other when a link is clicked from the table row of records

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2

1

With reference to the very informative What are Salesforce ID's composed of?, I am wondering what the best value to use for an Id of a specific SObjectType that matches nothing is.

If I understand that link correctly, the Id should be something like:

SObjectType t = ...;
Id id = t.getDescribe().getKeyPrefix() + '000' + 'xxxxxxxxx';

But what is a good value to use in place of 'xxxxxxxxx' e.g.:

'zzzzzzzzz'
'ZZZZZZZZZ'
'ZzZzZzZzZ'
'000000AAA'
'NoMatchId'
'xxxxxxxxx'

salesforce-id

share|improve this question

asked 8 hours ago

Keith CKeith C

102k1414 gold badges105105 silver badges244244 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I use fflib_IDGenerator and it uses 00000000 and each time new Id is generated it keeps a track so next time you ask for new Id it doesnt get repeated
  
  – Pranay Jaiswal
  8 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hi @PranayJaiswal, Its an Id value that can be thrown into queries and match nothing rather than just a random Id that might match something in the database that I'm looking for. Thanks for the comment though.
  
  – Keith C
  8 hours ago
  

  
  
  
  

add a comment
 | 

2

1

With reference to the very informative What are Salesforce ID's composed of?, I am wondering what the best value to use for an Id of a specific SObjectType that matches nothing is.

If I understand that link correctly, the Id should be something like:

SObjectType t = ...;
Id id = t.getDescribe().getKeyPrefix() + '000' + 'xxxxxxxxx';

But what is a good value to use in place of 'xxxxxxxxx' e.g.:

'zzzzzzzzz'
'ZZZZZZZZZ'
'ZzZzZzZzZ'
'000000AAA'
'NoMatchId'
'xxxxxxxxx'

salesforce-id

share|improve this question

asked 8 hours ago

Keith CKeith C

102k1414 gold badges105105 silver badges244244 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I use fflib_IDGenerator and it uses 00000000 and each time new Id is generated it keeps a track so next time you ask for new Id it doesnt get repeated
  
  – Pranay Jaiswal
  8 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hi @PranayJaiswal, Its an Id value that can be thrown into queries and match nothing rather than just a random Id that might match something in the database that I'm looking for. Thanks for the comment though.
  
  – Keith C
  8 hours ago
  

  
  
  
  

add a comment
 | 

With reference to the very informative What are Salesforce ID's composed of?, I am wondering what the best value to use for an Id of a specific SObjectType that matches nothing is.

If I understand that link correctly, the Id should be something like:

SObjectType t = ...;
Id id = t.getDescribe().getKeyPrefix() + '000' + 'xxxxxxxxx';

But what is a good value to use in place of 'xxxxxxxxx' e.g.:

'zzzzzzzzz'
'ZZZZZZZZZ'
'ZzZzZzZzZ'
'000000AAA'
'NoMatchId'
'xxxxxxxxx'

salesforce-id

share|improve this question

asked 8 hours ago

Keith CKeith C

102k1414 gold badges105105 silver badges244244 bronze badges

SObjectType t = ...;
Id id = t.getDescribe().getKeyPrefix() + '000' + 'xxxxxxxxx';

'zzzzzzzzz'
'ZZZZZZZZZ'
'ZzZzZzZzZ'
'000000AAA'
'NoMatchId'
'xxxxxxxxx'

share|improve this question

asked 8 hours ago

Keith CKeith C

102k1414 gold badges105105 silver badges244244 bronze badges

share|improve this question

asked 8 hours ago

Keith CKeith C

102k1414 gold badges105105 silver badges244244 bronze badges

asked 8 hours ago

Keith CKeith C

102k1414 gold badges105105 silver badges244244 bronze badges

asked 8 hours ago

Keith CKeith C

102k1414 gold badges105105 silver badges244244 bronze badges

1 Answer
1

active

oldest

votes

3

You can use all zeroes (e.g. keyPrefix + '0'.repeat(12)). It will never match an existing or future ID. Depending on your use case, you can also generally just use '0'.repeat(15), which is what Salesforce uses internally to represent a null ID. Obviously, the 0-key-prefix pattern doesn't match a specific sObject, but might be valid for some use cases. Note that this presumes you're using 15-character ID values. If you calculate the parity bits at the end, remember it may not always be AAA, so consider Id.valueOf(keyPrefix+'0'.repeat(12)) instead to get the correct suffix.

share|improve this answer

answered 8 hours ago

sfdcfoxsfdcfox

287k1414 gold badges236236 silver badges496496 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The zeroes sound good. I do want to keep the key prefix as down the line code uses the type of the Id. Thanks!
  
  – Keith C
  8 hours ago
  
  

  
  
  
  

add a comment
 | 

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3

You can use all zeroes (e.g. keyPrefix + '0'.repeat(12)). It will never match an existing or future ID. Depending on your use case, you can also generally just use '0'.repeat(15), which is what Salesforce uses internally to represent a null ID. Obviously, the 0-key-prefix pattern doesn't match a specific sObject, but might be valid for some use cases. Note that this presumes you're using 15-character ID values. If you calculate the parity bits at the end, remember it may not always be AAA, so consider Id.valueOf(keyPrefix+'0'.repeat(12)) instead to get the correct suffix.

share|improve this answer

answered 8 hours ago

sfdcfoxsfdcfox

287k1414 gold badges236236 silver badges496496 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The zeroes sound good. I do want to keep the key prefix as down the line code uses the type of the Id. Thanks!
  
  – Keith C
  8 hours ago
  
  

  
  
  
  

add a comment
 | 

3

You can use all zeroes (e.g. keyPrefix + '0'.repeat(12)). It will never match an existing or future ID. Depending on your use case, you can also generally just use '0'.repeat(15), which is what Salesforce uses internally to represent a null ID. Obviously, the 0-key-prefix pattern doesn't match a specific sObject, but might be valid for some use cases. Note that this presumes you're using 15-character ID values. If you calculate the parity bits at the end, remember it may not always be AAA, so consider Id.valueOf(keyPrefix+'0'.repeat(12)) instead to get the correct suffix.

share|improve this answer

answered 8 hours ago

sfdcfoxsfdcfox

287k1414 gold badges236236 silver badges496496 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The zeroes sound good. I do want to keep the key prefix as down the line code uses the type of the Id. Thanks!
  
  – Keith C
  8 hours ago
  
  

  
  
  
  

add a comment
 | 

You can use all zeroes (e.g. keyPrefix + '0'.repeat(12)). It will never match an existing or future ID. Depending on your use case, you can also generally just use '0'.repeat(15), which is what Salesforce uses internally to represent a null ID. Obviously, the 0-key-prefix pattern doesn't match a specific sObject, but might be valid for some use cases. Note that this presumes you're using 15-character ID values. If you calculate the parity bits at the end, remember it may not always be AAA, so consider Id.valueOf(keyPrefix+'0'.repeat(12)) instead to get the correct suffix.

share|improve this answer

answered 8 hours ago

sfdcfoxsfdcfox

287k1414 gold badges236236 silver badges496496 bronze badges

share|improve this answer

answered 8 hours ago

sfdcfoxsfdcfox

287k1414 gold badges236236 silver badges496496 bronze badges

answered 8 hours ago

sfdcfoxsfdcfox

287k1414 gold badges236236 silver badges496496 bronze badges

answered 8 hours ago

sfdcfoxsfdcfox

287k1414 gold badges236236 silver badges496496 bronze badges