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[apache#4758] correct Iceberg document location is immutable not rese…
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…rved (apache#4808)

### What changes were proposed in this pull request?
correct Iceberg document  location is immutable not reserved

### Why are the changes needed?

Fix: apache#4758 

### Does this PR introduce _any_ user-facing change?
no

### How was this patch tested?
document
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@FANNG1
FANNG1 authored Sep 5, 2024
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25 changes: 15 additions & 10 deletions docs/lakehouse-iceberg-catalog.md
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Expand Up @@ -284,16 +284,21 @@ You can pass [Iceberg table properties](https://iceberg.apache.org/docs/1.5.2/co

The Gravitino server doesn't allow passing the following reserved fields.

| Configuration item | Description |
|---------------------------------|---------------------------------------------------------|
| `comment` | The table comment. |
| `creator` | The table creator. |
| `location` | Iceberg location for table storage. |
| `current-snapshot-id` | The snapshot represents the current state of the table. |
| `cherry-pick-snapshot-id` | Selecting a specific snapshot in a merge operation. |
| `sort-order` | Selecting a specific snapshot in a merge operation. |
| `identifier-fields` | The identifier fields for defining the table. |
| `write.distribution-mode` | Defines distribution of write data |
| Configuration item | Description | Since Version |
|---------------------------|--------------------------------------------------------------------------------------|---------------|
| `comment` | The table comment, please use `comment` field in table meta instead. | 0.2.0 |
| `creator` | The table creator. | 0.2.0 |
| `current-snapshot-id` | The snapshot represents the current state of the table. | 0.2.0 |
| `cherry-pick-snapshot-id` | Selecting a specific snapshot in a merge operation. | 0.2.0 |
| `sort-order` | Iceberg table sort order, please use `SortOrder` in table meta instead. | 0.2.0 |
| `identifier-fields` | The identifier fields for defining the table. | 0.2.0 |
| `write.distribution-mode` | Defines distribution of write data, please use `distribution` in table meta instead. | 0.2.0 |

Gravitino server doesn't allow to change such properties:

| Configuration item | Description | Default value | Required | Since Version |
|--------------------|----------------------------------------------|---------------|----------|---------------|
| `location` | Iceberg location for table storage. | None | No | 0.2.0 |

### Table indexes

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