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new a9f1b00259b [doc] posexplode func (#2317)
a9f1b00259b is described below
commit a9f1b00259b0d1287497c045509ec2da1fbf321b
Author: yuanyuan8983 <99315889+yuanyuan8...@users.noreply.github.com>
AuthorDate: Wed Apr 23 17:40:11 2025 +0800
[doc] posexplode func (#2317)
## Versions
- [x] dev
- [x] 3.0
- [x] 2.1
- [ ] 2.0
## Languages
- [x] Chinese
- [x] English
## Docs Checklist
- [ ] Checked by AI
- [ ] Test Cases Built
---
.../sql-functions/table-functions/posexplode.md | 71 +++++++++++-----
.../sql-functions/table-functions/posexplode.md | 70 ++++++++++------
.../sql-functions/table-functions/posexplode.md | 30 +++----
.../table-functions/posexplode-outer.md | 97 ----------------------
.../sql-functions/table-functions/posexplode.md} | 74 +++++++++++------
.../table-functions/posexplode-outer.md | 97 ----------------------
.../sql-functions/table-functions/posexplode.md | 73 ++++++++++------
.../table-functions/posexplode-outer.md | 97 ----------------------
.../sql-functions/table-functions/posexplode.md | 47 +++++------
9 files changed, 227 insertions(+), 429 deletions(-)
diff --git a/docs/sql-manual/sql-functions/table-functions/posexplode.md
b/docs/sql-manual/sql-functions/table-functions/posexplode.md
index dcc6955223f..9f49f83734a 100644
--- a/docs/sql-manual/sql-functions/table-functions/posexplode.md
+++ b/docs/sql-manual/sql-functions/table-functions/posexplode.md
@@ -26,33 +26,51 @@ under the License.
## Description
-The table function is used in conjunction with Lateral View and can support
multiple Lateral Views. It only supports the new optimizer.
+The `posexplode` table function expands an array column into multiple rows and
adds a column indicating the position of each element, returning a struct type.
It must be used with LATERAL VIEW and supports multiple LATERAL VIEWs. Only
supported with the new optimizer.
-It expands an array column into multiple rows and adds a column indicating the
position, returning a struct type. When the array is NULL or empty,
posexplode_outer returns NULL. Both posexplode and posexplode_outer will return
NULL elements within the array.
+`posexplode_outer` is similar to `posexplode`, except for the handling of NULL
values.
## Syntax
+
```sql
-posexplode(array)
-posexplode_outer(array)
+POSEXPLODE(<arr>)
+POSEXPLODE_OUTER(<arr>)
```
-### Example
+## Parameters
-```sql
- CREATE TABLE IF NOT EXISTS `table_test`(
- `id` INT NULL,
- `name` TEXT NULL,
- `score` array<string> NULL
- ) ENGINE=OLAP
- DUPLICATE KEY(`id`)
- COMMENT 'OLAP'
- DISTRIBUTED BY HASH(`id`) BUCKETS 1
- PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+| Parameter | Description |
+| -- | -- |
+| `<arr>` | An array that is to be expanded |
+
+## Return Value
-mysql> insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
+When the array is NULL or empty, posexplode_outer returns NULL.
+Both `posexplode` and `posexplode_outer` include NULL elements inside the
array.
+
+## Examples
+
+``` sql
+CREATE TABLE IF NOT EXISTS `table_test`(
+ `id` INT NULL,
+ `name` TEXT NULL,
+ `score` array<string> NULL
+ ) ENGINE=OLAP
+ DUPLICATE KEY(`id`)
+ COMMENT 'OLAP'
+ DISTRIBUTED BY HASH(`id`) BUCKETS 1
+ PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+```
+```sql
+insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
+```
+
+```sql
+select * from table_test order by id;
+```
-mysql [test_query_qa]>select * from table_test order by id;
+```text
+------+----------+--------------------------------+
| id | name | score |
+------+----------+--------------------------------+
@@ -62,8 +80,13 @@ mysql [test_query_qa]>select * from table_test order by id;
| 3 | lisi2 | [null] |
| 4 | amory | NULL |
+------+----------+--------------------------------+
+```
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as k,v order by id;
+```sql
+select id,name,score, k,v from table_test lateral view posexplode(score) tmp
as k,v order by id;
+```
+
+```text
+------+----------+--------------------------------+------+---------+
| id | name | score | k | v |
+------+----------+--------------------------------+------+---------+
@@ -76,8 +99,13 @@ mysql [test_query_qa]>select id,name,score, k,v from
table_test lateral view pos
| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
| 3 | lisi2 | [null] | 0 | NULL |
+------+----------+--------------------------------+------+---------+
+```
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode_outer(score) tmp as k,v order by id;
+```sql
+select id,name,score, k,v from table_test lateral view posexplode_outer(score)
tmp as k,v order by id;
+```
+
+```text
+------+----------+--------------------------------+------+---------+
| id | name | score | k | v |
+------+----------+--------------------------------+------+---------+
@@ -91,7 +119,4 @@ mysql [test_query_qa]>select id,name,score, k,v from
table_test lateral view pos
| 3 | lisi2 | [null] | 0 | NULL |
| 4 | amory | NULL | NULL | NULL |
+------+----------+--------------------------------+------+---------+
-```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
+```
\ No newline at end of file
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/table-functions/posexplode.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/table-functions/posexplode.md
index a1395dadbc3..1455c393a7c 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/table-functions/posexplode.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/table-functions/posexplode.md
@@ -24,37 +24,52 @@ specific language governing permissions and limitations
under the License.
-->
-## Description
+## 描述
-表函数，需配合 Lateral View 使用，可以支持多个 Lateral view, 仅仅支持新优化器。
+`posexplode` 表函数，将 array 列展开成多行, 并且增加一列标明位置的列，组成 struct类型返回。需配合 Lateral View
使用, 可以支持多个 Lateral view, 仅支持新优化器。
-将 array 列展开成多行，并且增加一列标明位置的列，组成 struct 类型返回。
-当 array 为 NULL 或者为空时，`posexplode_outer` 返回 NULL。
-`posexplode` 和 `posexplode_outer` 均会返回 array 内部的 NULL 元素。
+`posexplode_outer` 和 `posexplode` 类似，只是对于 NULL 值的处理不同。
-## Syntax
+## 语法
```sql
-posexplode(expr)
-posexplode_outer(expr)
+POSEXPLODE(<arr>)
+POSEXPLODE_OUTER(<arr>)
```
+## 参数
+
+| 参数 | 说明 |
+| -- | -- |
+| `<arr>` | 待展开的 array 数组 |
+
+
+## 返回值
+
+当 array 为 NULL 或者为空时，`posexplode_outer` 返回NULL。 `posexplode` 和
`posexplode_outer` 均会返回 array 内部的NULL元素。
+
## 举例
``` sql
- CREATE TABLE IF NOT EXISTS `table_test`(
- `id` INT NULL,
- `name` TEXT NULL,
- `score` array<string> NULL
- ) ENGINE=OLAP
- DUPLICATE KEY(`id`)
- COMMENT 'OLAP'
- DISTRIBUTED BY HASH(`id`) BUCKETS 1
- PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+CREATE TABLE IF NOT EXISTS `table_test`(
+ `id` INT NULL,
+ `name` TEXT NULL,
+ `score` array<string> NULL
+ ) ENGINE=OLAP
+ DUPLICATE KEY(`id`)
+ COMMENT 'OLAP'
+ DISTRIBUTED BY HASH(`id`) BUCKETS 1
+ PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+```
-mysql> insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
+```sql
+insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
+```
+```sql
+select * from table_test order by id;
+```
-mysql [test_query_qa]>select * from table_test order by id;
+```text
+------+----------+--------------------------------+
| id | name | score |
+------+----------+--------------------------------+
@@ -64,8 +79,13 @@ mysql [test_query_qa]>select * from table_test order by id;
| 3 | lisi2 | [null] |
| 4 | amory | NULL |
+------+----------+--------------------------------+
+```
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as k,v order by id;
+```sql
+select id,name,score, k,v from table_test lateral view posexplode(score) tmp
as k,v order by id;
+```
+
+```text
+------+----------+--------------------------------+------+---------+
| id | name | score | k | v |
+------+----------+--------------------------------+------+---------+
@@ -78,8 +98,13 @@ mysql [test_query_qa]>select id,name,score, k,v from
table_test lateral view pos
| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
| 3 | lisi2 | [null] | 0 | NULL |
+------+----------+--------------------------------+------+---------+
+```
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode_outer(score) tmp as k,v order by id;
+```sql
+select id,name,score, k,v from table_test lateral view posexplode_outer(score)
tmp as k,v order by id;
+```
+
+```text
+------+----------+--------------------------------+------+---------+
| id | name | score | k | v |
+------+----------+--------------------------------+------+---------+
@@ -94,6 +119,3 @@ mysql [test_query_qa]>select id,name,score, k,v from
table_test lateral view pos
| 4 | amory | NULL | NULL | NULL |
+------+----------+--------------------------------+------+---------+
```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
index 528092dd93b..1455c393a7c 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
@@ -26,33 +26,30 @@ under the License.
## 描述
-表函数，需配合 Lateral View 使用，并且支持多个 Lateral View。它仅支持新的优化器。
+`posexplode` 表函数，将 array 列展开成多行, 并且增加一列标明位置的列，组成 struct类型返回。需配合 Lateral View
使用, 可以支持多个 Lateral view, 仅支持新优化器。
-该函数将数组列展开为多行，并添加一个表示位置的列，返回一个结构体类型。当数组为 NULL 或空时，posexplode_outer 会返回
NULL。posexplode 和 posexplode_outer 均会返回数组中的 NULL 元素。
+`posexplode_outer` 和 `posexplode` 类似，只是对于 NULL 值的处理不同。
## 语法
```sql
-POSEXPLODE(<array>)
-POSEXPLODE_OUTER(<array>)
+POSEXPLODE(<arr>)
+POSEXPLODE_OUTER(<arr>)
```
## 参数
| 参数 | 说明 |
| -- | -- |
-| `<array>` | 需要被展开为多行的数组 |
+| `<arr>` | 待展开的 array 数组 |
## 返回值
-按照数组 array 展开的多行。特殊情况：
+当 array 为 NULL 或者为空时，`posexplode_outer` 返回NULL。 `posexplode` 和
`posexplode_outer` 均会返回 array 内部的NULL元素。
-- 当数组为 NULL 或空时，返回 NULL。
-- 当数组存在 NULL 元素时，返回 NULL 元素。
+## 举例
-### 举例
-
-```sql
+``` sql
CREATE TABLE IF NOT EXISTS `table_test`(
`id` INT NULL,
`name` TEXT NULL,
@@ -62,11 +59,13 @@ CREATE TABLE IF NOT EXISTS `table_test`(
COMMENT 'OLAP'
DISTRIBUTED BY HASH(`id`) BUCKETS 1
PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+```
+```sql
insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
```
-```sql
+```sql
select * from table_test order by id;
```
@@ -82,7 +81,7 @@ select * from table_test order by id;
+------+----------+--------------------------------+
```
-```sql
+```sql
select id,name,score, k,v from table_test lateral view posexplode(score) tmp
as k,v order by id;
```
@@ -101,7 +100,7 @@ select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as
+------+----------+--------------------------------+------+---------+
```
-```sql
+```sql
select id,name,score, k,v from table_test lateral view posexplode_outer(score)
tmp as k,v order by id;
```
@@ -120,6 +119,3 @@ select id,name,score, k,v from table_test lateral view
posexplode_outer(score) t
| 4 | amory | NULL | NULL | NULL |
+------+----------+--------------------------------+------+---------+
```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode-outer.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode-outer.md
deleted file mode 100644
index f8260ceb164..00000000000
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode-outer.md
+++ /dev/null
@@ -1,97 +0,0 @@
----
-{
-"title": "posexplode_outer",
-"language": "zh-CN"
-}
----
-
-<!--
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements. See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership. The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied. See the License for the
-specific language governing permissions and limitations
-under the License.
--->
-
-## Description
-
-The table function is used in conjunction with Lateral View and can support
multiple Lateral Views. It only supports the new optimizer.
-
-It expands an array column into multiple rows and adds a column indicating the
position, returning a struct type. When the array is NULL or empty,
posexplode_outer returns NULL. Both posexplode and posexplode_outer will return
NULL elements within the array.
-
-## Syntax
-```sql
-posexplode(array)
-posexplode_outer(array)
-```
-
-### Example
-
-```sql
- CREATE TABLE IF NOT EXISTS `table_test`(
- `id` INT NULL,
- `name` TEXT NULL,
- `score` array<string> NULL
- ) ENGINE=OLAP
- DUPLICATE KEY(`id`)
- COMMENT 'OLAP'
- DISTRIBUTED BY HASH(`id`) BUCKETS 1
- PROPERTIES ("replication_allocation" = "tag.location.default: 1");
-
-mysql> insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
-
-
-mysql [test_query_qa]>select * from table_test order by id;
-+------+----------+--------------------------------+
-| id | name | score |
-+------+----------+--------------------------------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] |
-| 1 | lisi | ["null"] |
-| 2 | wangwu | ["88a", "90b", "96c"] |
-| 3 | lisi2 | [null] |
-| 4 | amory | NULL |
-+------+----------+--------------------------------+
-
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as k,v order by id;
-+------+----------+--------------------------------+------+---------+
-| id | name | score | k | v |
-+------+----------+--------------------------------+------+---------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 0 | Chinese |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 1 | Math |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 2 | English |
-| 1 | lisi | ["null"] | 0 | null |
-| 2 | wangwu | ["88a", "90b", "96c"] | 0 | 88a |
-| 2 | wangwu | ["88a", "90b", "96c"] | 1 | 90b |
-| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
-| 3 | lisi2 | [null] | 0 | NULL |
-+------+----------+--------------------------------+------+---------+
-
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode_outer(score) tmp as k,v order by id;
-+------+----------+--------------------------------+------+---------+
-| id | name | score | k | v |
-+------+----------+--------------------------------+------+---------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 0 | Chinese |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 1 | Math |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 2 | English |
-| 1 | lisi | ["null"] | 0 | null |
-| 2 | wangwu | ["88a", "90b", "96c"] | 0 | 88a |
-| 2 | wangwu | ["88a", "90b", "96c"] | 1 | 90b |
-| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
-| 3 | lisi2 | [null] | 0 | NULL |
-| 4 | amory | NULL | NULL | NULL |
-+------+----------+--------------------------------+------+---------+
-```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/table-functions/posexplode-outer.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode.md
similarity index 67%
rename from
i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/table-functions/posexplode-outer.md
rename to
i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode.md
index f8260ceb164..1455c393a7c 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/table-functions/posexplode-outer.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode.md
@@ -1,6 +1,6 @@
---
{
-"title": "posexplode_outer",
+"title": "POSEXPLODE",
"language": "zh-CN"
}
---
@@ -24,35 +24,52 @@ specific language governing permissions and limitations
under the License.
-->
-## Description
+## 描述
-The table function is used in conjunction with Lateral View and can support
multiple Lateral Views. It only supports the new optimizer.
+`posexplode` 表函数，将 array 列展开成多行, 并且增加一列标明位置的列，组成 struct类型返回。需配合 Lateral View
使用, 可以支持多个 Lateral view, 仅支持新优化器。
-It expands an array column into multiple rows and adds a column indicating the
position, returning a struct type. When the array is NULL or empty,
posexplode_outer returns NULL. Both posexplode and posexplode_outer will return
NULL elements within the array.
+`posexplode_outer` 和 `posexplode` 类似，只是对于 NULL 值的处理不同。
-## Syntax
+## 语法
```sql
-posexplode(array)
-posexplode_outer(array)
+POSEXPLODE(<arr>)
+POSEXPLODE_OUTER(<arr>)
```
-### Example
+## 参数
-```sql
- CREATE TABLE IF NOT EXISTS `table_test`(
- `id` INT NULL,
- `name` TEXT NULL,
- `score` array<string> NULL
- ) ENGINE=OLAP
- DUPLICATE KEY(`id`)
- COMMENT 'OLAP'
- DISTRIBUTED BY HASH(`id`) BUCKETS 1
- PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+| 参数 | 说明 |
+| -- | -- |
+| `<arr>` | 待展开的 array 数组 |
+
+
+## 返回值
+
+当 array 为 NULL 或者为空时，`posexplode_outer` 返回NULL。 `posexplode` 和
`posexplode_outer` 均会返回 array 内部的NULL元素。
+
+## 举例
-mysql> insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
+``` sql
+CREATE TABLE IF NOT EXISTS `table_test`(
+ `id` INT NULL,
+ `name` TEXT NULL,
+ `score` array<string> NULL
+ ) ENGINE=OLAP
+ DUPLICATE KEY(`id`)
+ COMMENT 'OLAP'
+ DISTRIBUTED BY HASH(`id`) BUCKETS 1
+ PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+```
+```sql
+insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
+```
+
+```sql
+select * from table_test order by id;
+```
-mysql [test_query_qa]>select * from table_test order by id;
+```text
+------+----------+--------------------------------+
| id | name | score |
+------+----------+--------------------------------+
@@ -62,8 +79,13 @@ mysql [test_query_qa]>select * from table_test order by id;
| 3 | lisi2 | [null] |
| 4 | amory | NULL |
+------+----------+--------------------------------+
+```
+
+```sql
+select id,name,score, k,v from table_test lateral view posexplode(score) tmp
as k,v order by id;
+```
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as k,v order by id;
+```text
+------+----------+--------------------------------+------+---------+
| id | name | score | k | v |
+------+----------+--------------------------------+------+---------+
@@ -76,8 +98,13 @@ mysql [test_query_qa]>select id,name,score, k,v from
table_test lateral view pos
| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
| 3 | lisi2 | [null] | 0 | NULL |
+------+----------+--------------------------------+------+---------+
+```
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode_outer(score) tmp as k,v order by id;
+```sql
+select id,name,score, k,v from table_test lateral view posexplode_outer(score)
tmp as k,v order by id;
+```
+
+```text
+------+----------+--------------------------------+------+---------+
| id | name | score | k | v |
+------+----------+--------------------------------+------+---------+
@@ -92,6 +119,3 @@ mysql [test_query_qa]>select id,name,score, k,v from
table_test lateral view pos
| 4 | amory | NULL | NULL | NULL |
+------+----------+--------------------------------+------+---------+
```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
diff --git
a/versioned_docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode-outer.md
b/versioned_docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode-outer.md
deleted file mode 100644
index 74adc0e8ba5..00000000000
---
a/versioned_docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode-outer.md
+++ /dev/null
@@ -1,97 +0,0 @@
----
-{
-"title": "posexplode_outer",
-"language": "en"
-}
----
-
-<!--
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements. See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership. The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied. See the License for the
-specific language governing permissions and limitations
-under the License.
--->
-
-## Description
-
-The table function is used in conjunction with Lateral View and can support
multiple Lateral Views. It only supports the new optimizer.
-
-It expands an array column into multiple rows and adds a column indicating the
position, returning a struct type. When the array is NULL or empty,
posexplode_outer returns NULL. Both posexplode and posexplode_outer will return
NULL elements within the array.
-
-## Syntax
-```sql
-posexplode(array)
-posexplode_outer(array)
-```
-
-### Example
-
-```sql
- CREATE TABLE IF NOT EXISTS `table_test`(
- `id` INT NULL,
- `name` TEXT NULL,
- `score` array<string> NULL
- ) ENGINE=OLAP
- DUPLICATE KEY(`id`)
- COMMENT 'OLAP'
- DISTRIBUTED BY HASH(`id`) BUCKETS 1
- PROPERTIES ("replication_allocation" = "tag.location.default: 1");
-
-mysql> insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
-
-
-mysql [test_query_qa]>select * from table_test order by id;
-+------+----------+--------------------------------+
-| id | name | score |
-+------+----------+--------------------------------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] |
-| 1 | lisi | ["null"] |
-| 2 | wangwu | ["88a", "90b", "96c"] |
-| 3 | lisi2 | [null] |
-| 4 | amory | NULL |
-+------+----------+--------------------------------+
-
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as k,v order by id;
-+------+----------+--------------------------------+------+---------+
-| id | name | score | k | v |
-+------+----------+--------------------------------+------+---------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 0 | Chinese |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 1 | Math |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 2 | English |
-| 1 | lisi | ["null"] | 0 | null |
-| 2 | wangwu | ["88a", "90b", "96c"] | 0 | 88a |
-| 2 | wangwu | ["88a", "90b", "96c"] | 1 | 90b |
-| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
-| 3 | lisi2 | [null] | 0 | NULL |
-+------+----------+--------------------------------+------+---------+
-
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode_outer(score) tmp as k,v order by id;
-+------+----------+--------------------------------+------+---------+
-| id | name | score | k | v |
-+------+----------+--------------------------------+------+---------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 0 | Chinese |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 1 | Math |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 2 | English |
-| 1 | lisi | ["null"] | 0 | null |
-| 2 | wangwu | ["88a", "90b", "96c"] | 0 | 88a |
-| 2 | wangwu | ["88a", "90b", "96c"] | 1 | 90b |
-| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
-| 3 | lisi2 | [null] | 0 | NULL |
-| 4 | amory | NULL | NULL | NULL |
-+------+----------+--------------------------------+------+---------+
-```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
diff --git a/docs/sql-manual/sql-functions/table-functions/posexplode-outer.md
b/versioned_docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
similarity index 67%
rename from docs/sql-manual/sql-functions/table-functions/posexplode-outer.md
rename to
versioned_docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
index 74adc0e8ba5..9f49f83734a 100644
--- a/docs/sql-manual/sql-functions/table-functions/posexplode-outer.md
+++
b/versioned_docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
@@ -1,6 +1,6 @@
---
{
-"title": "posexplode_outer",
+"title": "POSEXPLODE",
"language": "en"
}
---
@@ -26,33 +26,51 @@ under the License.
## Description
-The table function is used in conjunction with Lateral View and can support
multiple Lateral Views. It only supports the new optimizer.
+The `posexplode` table function expands an array column into multiple rows and
adds a column indicating the position of each element, returning a struct type.
It must be used with LATERAL VIEW and supports multiple LATERAL VIEWs. Only
supported with the new optimizer.
-It expands an array column into multiple rows and adds a column indicating the
position, returning a struct type. When the array is NULL or empty,
posexplode_outer returns NULL. Both posexplode and posexplode_outer will return
NULL elements within the array.
+`posexplode_outer` is similar to `posexplode`, except for the handling of NULL
values.
## Syntax
+
```sql
-posexplode(array)
-posexplode_outer(array)
+POSEXPLODE(<arr>)
+POSEXPLODE_OUTER(<arr>)
```
-### Example
+## Parameters
-```sql
- CREATE TABLE IF NOT EXISTS `table_test`(
- `id` INT NULL,
- `name` TEXT NULL,
- `score` array<string> NULL
- ) ENGINE=OLAP
- DUPLICATE KEY(`id`)
- COMMENT 'OLAP'
- DISTRIBUTED BY HASH(`id`) BUCKETS 1
- PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+| Parameter | Description |
+| -- | -- |
+| `<arr>` | An array that is to be expanded |
+
+## Return Value
-mysql> insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
+When the array is NULL or empty, posexplode_outer returns NULL.
+Both `posexplode` and `posexplode_outer` include NULL elements inside the
array.
+
+## Examples
+
+``` sql
+CREATE TABLE IF NOT EXISTS `table_test`(
+ `id` INT NULL,
+ `name` TEXT NULL,
+ `score` array<string> NULL
+ ) ENGINE=OLAP
+ DUPLICATE KEY(`id`)
+ COMMENT 'OLAP'
+ DISTRIBUTED BY HASH(`id`) BUCKETS 1
+ PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+```
+```sql
+insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
+```
+
+```sql
+select * from table_test order by id;
+```
-mysql [test_query_qa]>select * from table_test order by id;
+```text
+------+----------+--------------------------------+
| id | name | score |
+------+----------+--------------------------------+
@@ -62,8 +80,13 @@ mysql [test_query_qa]>select * from table_test order by id;
| 3 | lisi2 | [null] |
| 4 | amory | NULL |
+------+----------+--------------------------------+
+```
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as k,v order by id;
+```sql
+select id,name,score, k,v from table_test lateral view posexplode(score) tmp
as k,v order by id;
+```
+
+```text
+------+----------+--------------------------------+------+---------+
| id | name | score | k | v |
+------+----------+--------------------------------+------+---------+
@@ -76,8 +99,13 @@ mysql [test_query_qa]>select id,name,score, k,v from
table_test lateral view pos
| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
| 3 | lisi2 | [null] | 0 | NULL |
+------+----------+--------------------------------+------+---------+
+```
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode_outer(score) tmp as k,v order by id;
+```sql
+select id,name,score, k,v from table_test lateral view posexplode_outer(score)
tmp as k,v order by id;
+```
+
+```text
+------+----------+--------------------------------+------+---------+
| id | name | score | k | v |
+------+----------+--------------------------------+------+---------+
@@ -91,7 +119,4 @@ mysql [test_query_qa]>select id,name,score, k,v from
table_test lateral view pos
| 3 | lisi2 | [null] | 0 | NULL |
| 4 | amory | NULL | NULL | NULL |
+------+----------+--------------------------------+------+---------+
-```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
+```
\ No newline at end of file
diff --git
a/versioned_docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode-outer.md
b/versioned_docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode-outer.md
deleted file mode 100644
index 74adc0e8ba5..00000000000
---
a/versioned_docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode-outer.md
+++ /dev/null
@@ -1,97 +0,0 @@
----
-{
-"title": "posexplode_outer",
-"language": "en"
-}
----
-
-<!--
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements. See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership. The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied. See the License for the
-specific language governing permissions and limitations
-under the License.
--->
-
-## Description
-
-The table function is used in conjunction with Lateral View and can support
multiple Lateral Views. It only supports the new optimizer.
-
-It expands an array column into multiple rows and adds a column indicating the
position, returning a struct type. When the array is NULL or empty,
posexplode_outer returns NULL. Both posexplode and posexplode_outer will return
NULL elements within the array.
-
-## Syntax
-```sql
-posexplode(array)
-posexplode_outer(array)
-```
-
-### Example
-
-```sql
- CREATE TABLE IF NOT EXISTS `table_test`(
- `id` INT NULL,
- `name` TEXT NULL,
- `score` array<string> NULL
- ) ENGINE=OLAP
- DUPLICATE KEY(`id`)
- COMMENT 'OLAP'
- DISTRIBUTED BY HASH(`id`) BUCKETS 1
- PROPERTIES ("replication_allocation" = "tag.location.default: 1");
-
-mysql> insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
-
-
-mysql [test_query_qa]>select * from table_test order by id;
-+------+----------+--------------------------------+
-| id | name | score |
-+------+----------+--------------------------------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] |
-| 1 | lisi | ["null"] |
-| 2 | wangwu | ["88a", "90b", "96c"] |
-| 3 | lisi2 | [null] |
-| 4 | amory | NULL |
-+------+----------+--------------------------------+
-
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as k,v order by id;
-+------+----------+--------------------------------+------+---------+
-| id | name | score | k | v |
-+------+----------+--------------------------------+------+---------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 0 | Chinese |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 1 | Math |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 2 | English |
-| 1 | lisi | ["null"] | 0 | null |
-| 2 | wangwu | ["88a", "90b", "96c"] | 0 | 88a |
-| 2 | wangwu | ["88a", "90b", "96c"] | 1 | 90b |
-| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
-| 3 | lisi2 | [null] | 0 | NULL |
-+------+----------+--------------------------------+------+---------+
-
-mysql [test_query_qa]>select id,name,score, k,v from table_test lateral view
posexplode_outer(score) tmp as k,v order by id;
-+------+----------+--------------------------------+------+---------+
-| id | name | score | k | v |
-+------+----------+--------------------------------+------+---------+
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 0 | Chinese |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 1 | Math |
-| 0 | zhangsan | ["Chinese", "Math", "English"] | 2 | English |
-| 1 | lisi | ["null"] | 0 | null |
-| 2 | wangwu | ["88a", "90b", "96c"] | 0 | 88a |
-| 2 | wangwu | ["88a", "90b", "96c"] | 1 | 90b |
-| 2 | wangwu | ["88a", "90b", "96c"] | 2 | 96c |
-| 3 | lisi2 | [null] | 0 | NULL |
-| 4 | amory | NULL | NULL | NULL |
-+------+----------+--------------------------------+------+---------+
-```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
b/versioned_docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode.md
similarity index 83%
copy from
i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
copy to
versioned_docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode.md
index 528092dd93b..9f49f83734a 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/sql-manual/sql-functions/table-functions/posexplode.md
+++
b/versioned_docs/version-3.0/sql-manual/sql-functions/table-functions/posexplode.md
@@ -1,7 +1,7 @@
---
{
"title": "POSEXPLODE",
-"language": "zh-CN"
+"language": "en"
}
---
@@ -24,35 +24,33 @@ specific language governing permissions and limitations
under the License.
-->
-## 描述
+## Description
-表函数，需配合 Lateral View 使用，并且支持多个 Lateral View。它仅支持新的优化器。
+The `posexplode` table function expands an array column into multiple rows and
adds a column indicating the position of each element, returning a struct type.
It must be used with LATERAL VIEW and supports multiple LATERAL VIEWs. Only
supported with the new optimizer.
-该函数将数组列展开为多行，并添加一个表示位置的列，返回一个结构体类型。当数组为 NULL 或空时，posexplode_outer 会返回
NULL。posexplode 和 posexplode_outer 均会返回数组中的 NULL 元素。
+`posexplode_outer` is similar to `posexplode`, except for the handling of NULL
values.
+
+## Syntax
-## 语法
```sql
-POSEXPLODE(<array>)
-POSEXPLODE_OUTER(<array>)
+POSEXPLODE(<arr>)
+POSEXPLODE_OUTER(<arr>)
```
-## 参数
+## Parameters
-| 参数 | 说明 |
+| Parameter | Description |
| -- | -- |
-| `<array>` | 需要被展开为多行的数组 |
-
-
-## 返回值
+| `<arr>` | An array that is to be expanded |
-按照数组 array 展开的多行。特殊情况：
+## Return Value
-- 当数组为 NULL 或空时，返回 NULL。
-- 当数组存在 NULL 元素时，返回 NULL 元素。
+When the array is NULL or empty, posexplode_outer returns NULL.
+Both `posexplode` and `posexplode_outer` include NULL elements inside the
array.
-### 举例
+## Examples
-```sql
+``` sql
CREATE TABLE IF NOT EXISTS `table_test`(
`id` INT NULL,
`name` TEXT NULL,
@@ -62,11 +60,13 @@ CREATE TABLE IF NOT EXISTS `table_test`(
COMMENT 'OLAP'
DISTRIBUTED BY HASH(`id`) BUCKETS 1
PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+```
+```sql
insert into table_test values (0, "zhangsan",
["Chinese","Math","English"]),(1, "lisi", ["null"]),(2, "wangwu",
["88a","90b","96c"]),(3, "lisi2", [null]),(4, "amory", NULL);
```
-```sql
+```sql
select * from table_test order by id;
```
@@ -82,7 +82,7 @@ select * from table_test order by id;
+------+----------+--------------------------------+
```
-```sql
+```sql
select id,name,score, k,v from table_test lateral view posexplode(score) tmp
as k,v order by id;
```
@@ -101,7 +101,7 @@ select id,name,score, k,v from table_test lateral view
posexplode(score) tmp as
+------+----------+--------------------------------+------+---------+
```
-```sql
+```sql
select id,name,score, k,v from table_test lateral view posexplode_outer(score)
tmp as k,v order by id;
```
@@ -119,7 +119,4 @@ select id,name,score, k,v from table_test lateral view
posexplode_outer(score) t
| 3 | lisi2 | [null] | 0 | NULL |
| 4 | amory | NULL | NULL | NULL |
+------+----------+--------------------------------+------+---------+
-```
-
-### Keywords
-POSEXPLODE,POSEXPLODE_OUTER
+```
\ No newline at end of file
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