[teiid-issues] [JBoss JIRA] (TEIID-3370) Add translator for OData V4 based service

[Ramesh Reddy (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-3370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ramesh Reddy resolved TEIID-3370.
---------------------------------
    Release Notes Text: OData V4 based translator has been added.
            Resolution: Done


Currently the translator can support
- Reading/creation of the Teiid Metadata based on $metadata document
- Allows execution of "SELECT" on EntitySet tables, execution of "Functions" and "Actions"
- Allows JOIN based pushdown, based on EntitySet's navigation property relations. i.e. you can issue a JOIN based call for EntitySet and its Navigation property which will be executed as single call with "$expand"
- ComplexType properties in a EntitySet are represented as additional tables, with 1-1 or 1-many relationship with the parent EntitySet.
-SELECT on ComplexType based child tables are allowed. Also you can issue a JOIN based call between parent EntitySet and complex type table, which results in single call.
- All the Extended properties of "EntityType" or "ComplexType" will be squashed into derived type, which will become the basis of the table definition in Teiid
- Allows INSERT/UPDATE/DELETE operations on EntitySets.

Not supported/Not Tested
- Update operations on complex type based tables
- EdmStream based operations
- Annotations are not read into metadata
- Add property to lock in on a Content-Type 
- Batch processing for update/delete operations, as current method is transactionally NOT safe
- SQL enhancements ?

> Add translator for OData V4 based service
> -----------------------------------------
>
>                 Key: TEIID-3370
>                 URL: https://issues.jboss.org/browse/TEIID-3370
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Misc. Connectors
>            Reporter: Debbie Steigner
>            Assignee: Ramesh Reddy
>             Fix For: 8.12
>
>
> Feature Request to add support for OData V4 as Datasource



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