Stephen Mallette created TINKERPOP-3137:
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             Summary: Allow null to be used as Map value to mergeV and mergeE
                 Key: TINKERPOP-3137
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-3137
             Project: TinkerPop
          Issue Type: Improvement
          Components: process
    Affects Versions: 3.7.3
            Reporter: Stephen Mallette
            Assignee: Stephen Mallette


Not sure why it was explicitly blocked but there is validation that prevents 
use of {{null}} as a property value for {{Map}} given to {{mergeV/E}}. That 
validation should be removed because some graphs allow the storage of {{null}} 
and the general Gremlin semantics for setting a property to {{null}} for graphs 
that don't support storage is to remove the property. Removing the validation 
will let {{mergeV/E}} adhere to those semantics. 



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