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Posted to issues@iceberg.apache.org by "JanKaul (via GitHub)" <gi...@apache.org> on 2023/04/01 06:36:19 UTC
[GitHub] [iceberg] JanKaul opened a new issue, #7261: Rest-Catalog: Define Route to update MetadataLocation of a Table
JanKaul opened a new issue, #7261:
URL: https://github.com/apache/iceberg/issues/7261
### Feature Request / Improvement
## Background
When using the REST catalog the metadata of an iceberg table is stored in the REST catalog as well as in the `metadata.json` file. If I understand correctly, the REST catalog is not responsible to update the `metadata.json` file according to changes that were applied to the catalog. It is the responsibility of the client to update the `metadata.json` file. When the client has updated the `metadata.json` file and created a new location for it, it has to update the `metadata-location` of the table in the REST catalog.
## Feature Request
It would be helpful for clients to be able to update the `metadata-location` of a table by calling a REST catalog route.
This could be achieved in two ways:
1. Adopt `updateTable` operation to allow updates to the `metadata-location`
2. Create a new route for a `updateTableMetadataLocation` operation
The second approach could be achieved with:
```
/v1/{prefix}/namespaces/{namespace}/tables/{table}/metadata-location:
parameters:
- $ref: '#/components/parameters/prefix'
- $ref: '#/components/parameters/namespace'
- $ref: '#/components/parameters/table'
post:
tags:
- Catalog API
summary: Update the metadata-location of a table
operationId: updateTableMetadataLocation
description:
Update the metadata-location of a table
Given the previous metadata-location and the new metadata-location the catalog verifies that the previous
metadata-location corresponds to the current value and performs the update if the verification succeeds.
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/UpdateTableMetadataLocationRequest'
UpdateTableMetadataLocationRequest:
type: object
required:
- previous-metadata-location
- metadata-location
properties:
previous-metadata-location:
type: string
metadata-location:
type: string
```
### Query engine
None
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[GitHub] [iceberg] JanKaul closed issue #7261: Rest-Catalog: Define Route to update MetadataLocation of a Table
Posted by "JanKaul (via GitHub)" <gi...@apache.org>.
JanKaul closed issue #7261: Rest-Catalog: Define Route to update MetadataLocation of a Table
URL: https://github.com/apache/iceberg/issues/7261
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