[jira] [Commented] (ATLAS-1863) Set default value for primitive types attributes in entity based on attributeDef in Typedef

["Pierre Padovani (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ATLAS-1863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16138871#comment-16138871 ] 

Pierre Padovani commented on ATLAS-1863:
----------------------------------------

IMHO - A default value implies that the field is 'not null' *NOT* optional. This implies that the field is required to have a value when the entity is created, just that user input of the field is optional. Having a default value set for an optional field just doesn't make that much sense to me, however having it set for a field that is required makes a little more sense but still doesn't quite work either.

> Set default value for primitive types attributes in entity based on attributeDef in Typedef
> -------------------------------------------------------------------------------------------
>
>                 Key: ATLAS-1863
>                 URL: https://issues.apache.org/jira/browse/ATLAS-1863
>             Project: Atlas
>          Issue Type: Improvement
>          Components: atlas-intg
>            Reporter: Nixon Rodrigues
>            Assignee: Ruchi Solani
>            Priority: Critical
>             Fix For: 0.9-incubating
>
>         Attachments: ATLAS-1863.2.patch, ATLAS-1863.3.patch, ATLAS-1863.patch
>
>
> While creating entity if attribute value are not set explicitly for primitive type which are optional, then default value should be set from attributedef.
> eg of typedef attributeDef
> {code}
> "attributeDefs": [	{
> 					"name": "sourceCode",
> 					"typeName": "string",
> 					"isOptional": true,
> 					"cardinality": "SINGLE",
> 					"valuesMinCount": 0,
> 					"valuesMaxCount": 1,
> 					"isUnique": false,
> 					"isIndexable": true,
> 					"defaultValue": "xyz"
> 				}
> {code}



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