[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-7100) ColumnAttributeSourceImpl.isNullable() returns true for collection key and basic element columns

[Gail Badner (JIRA)]

    [ https://hibernate.onjira.com/browse/HHH-7100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45579#comment-45579 ] 

Gail Badner commented on HHH-7100:
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This causes problems when collection table primary and foreign keys are created.

> ColumnAttributeSourceImpl.isNullable() returns true for collection key and basic element columns
> ------------------------------------------------------------------------------------------------
>
>                 Key: HHH-7100
>                 URL: https://hibernate.onjira.com/browse/HHH-7100
>             Project: Hibernate ORM
>          Issue Type: Bug
>          Components: metamodel
>            Reporter: Gail Badner
>             Fix For: 5.0.0
>
>
> Not absolutely sure about this, but I think ColumnAttributeSourceImpl.isNullable() should return:
> - TruthValue.UNKNOWN for collection key column.
> - TruthValue.UNKNOWN for a basic collection element column, unless explicitly specified in the mapping
> If ColumnAttributeSourceImpl.isNullable() returns TruthValue.UNKNOWN, then ColumnBindingDefaults.areValuesNullableByDefault() can be used to provide the proper default.

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