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new cad3d8fb993 [doc](complex type) add docs for complex and nested types
(#25865)
cad3d8fb993 is described below
commit cad3d8fb9935b92735ac19ebcf1bde7133005917
Author: Ashin Gau <[email protected]>
AuthorDate: Fri Oct 27 15:04:53 2023 +0800
[doc](complex type) add docs for complex and nested types (#25865)
Add docs for complex and nested types.
---
docs/en/docs/ecosystem/udf/java-user-defined-function.md | 2 +-
docs/en/docs/lakehouse/multi-catalog/hive.md | 6 +++---
docs/zh-CN/docs/ecosystem/udf/java-user-defined-function.md | 2 +-
docs/zh-CN/docs/lakehouse/multi-catalog/hive.md | 6 +++---
4 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/docs/en/docs/ecosystem/udf/java-user-defined-function.md
b/docs/en/docs/ecosystem/udf/java-user-defined-function.md
index d1e3ee29984..ead333c0080 100644
--- a/docs/en/docs/ecosystem/udf/java-user-defined-function.md
+++ b/docs/en/docs/ecosystem/udf/java-user-defined-function.md
@@ -61,7 +61,7 @@ Java UDF provides users with a Java interface written in UDF
to facilitate the e
|```array<Type>```|```ArrayList<Type>```|
|```map<Type1,Type2>```|```HashMap<Type1,Type2>```|
-* Array/Map types can nested basic types, Eg: In Doris: ```array<int>```
corresponds to JAVA UDF Argument Type: ```ArrayList<Integer>```, Others is also.
+* Array/Map types can nested other types, Eg: In Doris:
```array<array<int>>``` corresponds to JAVA UDF Argument Type:
```ArrayList<ArrayList<Integer>>```, and so on.
## Write UDF functions
This section mainly introduces how to develop a Java UDF. Samples for the Java
version are provided under `samples/doris-demo/java-udf-demo/` for your
reference, Check it out
[here](https://github.com/apache/incubator-doris/tree/master/samples/doris-demo/java-udf-demo)
diff --git a/docs/en/docs/lakehouse/multi-catalog/hive.md
b/docs/en/docs/lakehouse/multi-catalog/hive.md
index 398468a611a..4724d0e903b 100644
--- a/docs/en/docs/lakehouse/multi-catalog/hive.md
+++ b/docs/en/docs/lakehouse/multi-catalog/hive.md
@@ -390,9 +390,9 @@ For Hive/Iceberge/Hudi
| char| char | |
| varchar| varchar| |
| decimal| decimal | |
-| `array<type>` | `array<type>`| 支持array嵌套，如 `array<array<int>>` |
-| `map<KeyType, ValueType>` | `map<KeyType, ValueType>` | 暂不支持嵌套，KeyType 和
ValueType 需要为基础类型 |
-| `struct<col1: Type1, col2: Type2, ...>` | `struct<col1: Type1, col2: Type2,
...>` | 暂不支持嵌套，Type1, Type2, ... 需要为基础类型 |
+| `array<type>` | `array<type>`| support nested type, for example
`array<array<int>>` |
+| `map<KeyType, ValueType>` | `map<KeyType, ValueType>` | support nested type,
for example `map<string, array<int>>` |
+| `struct<col1: Type1, col2: Type2, ...>` | `struct<col1: Type1, col2: Type2,
...>` | support nested type, for example `struct<col1: array<int>, col2:
map<int, date>>` |
| other | unsupported | |
## Whether to truncate char or varchar columns according to the schema of the
hive table
diff --git a/docs/zh-CN/docs/ecosystem/udf/java-user-defined-function.md
b/docs/zh-CN/docs/ecosystem/udf/java-user-defined-function.md
index e7e37b56e5a..0888cdd5d09 100644
--- a/docs/zh-CN/docs/ecosystem/udf/java-user-defined-function.md
+++ b/docs/zh-CN/docs/ecosystem/udf/java-user-defined-function.md
@@ -59,7 +59,7 @@ Java UDF 为用户提供UDF编写的Java接口，以方便用户使用Java语言
|```array<Type>```|```ArrayList<Type>```|
|```map<Type1,Type2>```|```HashMap<Type1,Type2>```|
-* array/map类型可以嵌套基本类型，例如Doris: ```array<int>```对应JAVA UDF Argument Type:
```ArrayList<Integer>```, 其他依此类推
+* array/map类型可以嵌套其它类型，例如Doris: ```array<array<int>>```对应JAVA UDF Argument
Type: ```ArrayList<ArrayList<Integer>>```, 其他依此类推
## 编写 UDF 函数
本小节主要介绍如何开发一个 Java UDF。在 `samples/doris-demo/java-udf-demo/`
下提供了示例，可供参考，查看点击[这里](https://github.com/apache/doris/tree/master/samples/doris-demo/java-udf-demo)
diff --git a/docs/zh-CN/docs/lakehouse/multi-catalog/hive.md
b/docs/zh-CN/docs/lakehouse/multi-catalog/hive.md
index 4ed341b7a1e..09fbe4b2178 100644
--- a/docs/zh-CN/docs/lakehouse/multi-catalog/hive.md
+++ b/docs/zh-CN/docs/lakehouse/multi-catalog/hive.md
@@ -369,9 +369,9 @@ CREATE CATALOG hive PROPERTIES (
| char| char | |
| varchar| varchar| |
| decimal| decimal | |
-| `array<type>` | `array<type>`| 支持array嵌套，如 `array<array<int>>` |
-| `map<KeyType, ValueType>` | `map<KeyType, ValueType>` | 暂不支持嵌套，KeyType 和
ValueType 需要为基础类型 |
-| `struct<col1: Type1, col2: Type2, ...>` | `struct<col1: Type1, col2: Type2,
...>` | 暂不支持嵌套，Type1, Type2, ... 需要为基础类型 |
+| `array<type>` | `array<type>`| 支持嵌套，如 `array<map<string, int>>` |
+| `map<KeyType, ValueType>` | `map<KeyType, ValueType>` | 支持嵌套，如 `map<string,
array<int>>` |
+| `struct<col1: Type1, col2: Type2, ...>` | `struct<col1: Type1, col2: Type2,
...>` | 支持嵌套，如 `struct<col1: array<int>, col2: map<int, date>>` |
| other | unsupported | |
## 是否按照 hive 表的 schema 来截断 char 或者 varchar 列
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