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[MINOR] docs(lakehouse-iceberg): improvement lakehouse iceberg document #1138

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Dec 13, 2023
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[MINOR] docs(lakehouse-iceberg): improvement lakehouse iceberg document #1138

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4 changes: 3 additions & 1 deletion docs/apache-hive-catalog.md
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Expand Up @@ -36,7 +36,7 @@ The Hive catalog supports to create, update, and delete databases and tables in

### Catalog operations

see [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#catalogs-operations).
Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#catalogs-operations) for more details.

## Schema

Expand Down Expand Up @@ -136,6 +136,8 @@ Hive automatically adds and manages some reserved properties. Users aren't allow

### Table operations

Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#tables-operations) for more details.

#### Alter operations

Gravitino has already defined a unified set of [metadata operation interfaces](./manage-metadata-using-gravitino#alter-a-table), and almost all [Hive Alter operations](https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-AlterTable/Partition/Column) have corresponding table update request which enable you to change the struct of an existing table.
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3 changes: 0 additions & 3 deletions docs/iceberg-rest-service.md
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Expand Up @@ -20,9 +20,6 @@ The Gravitino Iceberg REST Server follows the [Apache Iceberg REST API specifica

:::info
Builds with Apache Iceberg `1.3.1`. The Apache Iceberg table format version is `1` by default.
:::

:::info
Builds with Hadoop 2.10.x, there may compatibility issue when accessing Hadoop 3.x clusters.
:::

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6 changes: 4 additions & 2 deletions docs/jdbc-mysql-catalog.md
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Expand Up @@ -44,7 +44,7 @@ You must download the corresponding JDBC driver to the `catalogs/jdbc-mysql/libs

### Catalog operations

see [Manage metadata using Gravitino](./manage-metadata-using-gravitino#catalogs-operations).
Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#catalogs-operations) for more details.

## Schema

Expand All @@ -61,7 +61,7 @@ see [Manage metadata using Gravitino](./manage-metadata-using-gravitino#catalogs

### Schema operations

see [Manage metadata using Gravitino](./manage-metadata-using-gravitino#schemas-operations).
Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#schemas-operations) for more details.

## Table

Expand Down Expand Up @@ -102,6 +102,8 @@ MySQL doesn't support Gravitino `Boolean` `Fixed` `Struct` `List` `Map` `Timesta

### Table operations

Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#tables-operations) for more details.

#### Alter table operations

Supports operations:
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11 changes: 9 additions & 2 deletions docs/jdbc-postgresql-catalog.md
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Expand Up @@ -50,7 +50,7 @@ In PostgreSQL, the database corresponds to the Gravitino catalog, and the schema

### Catalog operations

see [Manage metadata using Gravitino](./manage-metadata-using-gravitino#catalogs-operations).
Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#catalogs-operations) for more details.

## Schema

Expand All @@ -62,20 +62,25 @@ see [Manage metadata using Gravitino](./manage-metadata-using-gravitino#catalogs
- Supports cascade drop schema.

### Schema properties

- Doesn't are schema property settings.

### Schema operations
see [Manage metadata using Gravitino](./manage-metadata-using-gravitino#schemas-operations).

Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#schemas-operations) for more details.

## Table

### Table capabilities

- Gravitino table corresponds to the PostgreSQL table.
- Supports DDL operation for PostgreSQL tables.
- Doesn't support setting certain column properties, such as default value and check constraints.
- Doesn't support index definition.
- Doesn't support table property settings.

#### Table column types

| Gravitino Type | PostgreSQL Type |
|----------------|-------------------------------|
| `Boolean` | `boolean` |
Expand Down Expand Up @@ -105,6 +110,8 @@ PostgreSQL doesn't support Gravitino `Fixed` `Struct` `List` `Map` `IntervalDay`

### Table operations

Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#tables-operations) for more details.

#### Alter table operations

Supports operations:
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19 changes: 8 additions & 11 deletions docs/lakehouse-iceberg-catalog.md
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Expand Up @@ -17,9 +17,6 @@ Gravitino provides the ability to manage Apache Iceberg metadata.

:::info
Builds with Apache Iceberg `1.3.1`. The Apache Iceberg table format version is `1` by default.
:::

:::info
Builds with Hadoop 2.10.x, there may compatibility issue when accessing Hadoop 3.x clusters.
:::

Expand Down Expand Up @@ -58,7 +55,9 @@ You must download the corresponding JDBC driver to the `catalogs/lakehouse-icebe

### Catalog operations

## Schema
Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#catalogs-operations) for more details.

## Schema

### Schema capabilities

Expand All @@ -70,7 +69,9 @@ You could put properties except `comment`.

### Schema operations

## Table
Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#schemas-operations) for more details.

## Table

### Table capabilities

Expand All @@ -88,9 +89,6 @@ Supports transforms:

:::info
Iceberg doesn't support multi fields in `BucketTransform`.
:::

:::info
Iceberg doesn't support `ApplyTransform`, `RangeTransform` and `ListTransform`.
:::

Expand Down Expand Up @@ -163,6 +161,8 @@ The Gravitino server doesn't allow passing the following reserved fields.

### Table operations

Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravitino#tables-operations) for more details.

#### Alter table operations

Supports operations:
Expand All @@ -181,9 +181,6 @@ Supports operations:

:::info
The default column position is `LAST` when you add a column. If you add a non nullability column, there may be compatibility issues.
:::

:::info
Iceberg just supports updating primitive types.
:::

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