This is an automated email from the ASF dual-hosted git repository. kxiao pushed a commit to branch branch-2.0 in repository https://gitbox.apache.org/repos/asf/doris.git
commit 880c223e539d7f99c8971f73a59dd25b287063a1 Author: Jiwen liu <[email protected]> AuthorDate: Wed Jul 19 01:06:23 2023 +0800 [docs](map)Add map and struct type support parameters (#21802) --- docs/en/docs/sql-manual/sql-reference/Data-Types/MAP.md | 5 +++++ docs/en/docs/sql-manual/sql-reference/Data-Types/STRUCT.md | 4 ++++ docs/zh-CN/docs/data-operate/update-delete/batch-delete-manual.md | 2 +- docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/MAP.md | 4 ++++ docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/STRUCT.md | 5 +++++ 5 files changed, 19 insertions(+), 1 deletion(-) diff --git a/docs/en/docs/sql-manual/sql-reference/Data-Types/MAP.md b/docs/en/docs/sql-manual/sql-reference/Data-Types/MAP.md index 9c52f104dd..08b10a63d0 100644 --- a/docs/en/docs/sql-manual/sql-reference/Data-Types/MAP.md +++ b/docs/en/docs/sql-manual/sql-reference/Data-Types/MAP.md @@ -40,6 +40,11 @@ MAP A Map of K, V items, it cannot be used as a key column. Now MAP can only used in Duplicate and Unique Model Tables. +Need to manually enable the support, it is disabled by default. +``` +admin set frontend config("enable_map_type" = "true"); +``` + K,V could be any of: ``` diff --git a/docs/en/docs/sql-manual/sql-reference/Data-Types/STRUCT.md b/docs/en/docs/sql-manual/sql-reference/Data-Types/STRUCT.md index bf3b2d1d4c..abab414888 100644 --- a/docs/en/docs/sql-manual/sql-reference/Data-Types/STRUCT.md +++ b/docs/en/docs/sql-manual/sql-reference/Data-Types/STRUCT.md @@ -40,6 +40,10 @@ STRUCT Represents value with structure described by multiple fields, which can be viewed as a collection of multiple columns. +Need to manually enable the support, it is disabled by default. +``` +admin set frontend config("enable_struct_type" = "true"); +``` It cannot be used as a Key column. Now STRUCT can only used in Duplicate Model Tables. The names and number of Fields in a Struct is fixed and always Nullable, and a Field typically consists of the following parts. diff --git a/docs/zh-CN/docs/data-operate/update-delete/batch-delete-manual.md b/docs/zh-CN/docs/data-operate/update-delete/batch-delete-manual.md index a41ba07886..22ffabf6ee 100644 --- a/docs/zh-CN/docs/data-operate/update-delete/batch-delete-manual.md +++ b/docs/zh-CN/docs/data-operate/update-delete/batch-delete-manual.md @@ -324,4 +324,4 @@ li,male,10 ``` 并没有被删除，这是因为在底层的依赖关系上，会先判断key相同的情况，对外展示sequence列的值大的行数据，然后在看该行的`__DORIS_DELETE_SIGN__`值是否为1，如果为1则不会对外展示，如果为0，则仍会读出来。 -**当导入数据中同时存在数据写入和删除时（例如Flink CDC场景中），使用seq列可以有效的保证当数据乱序到达时的一致性，避免后到达的一个旧版本的删除操作，误删掉了先到达的新版本的数据。** \ No newline at end of file +**当导入数据中同时存在数据写入和删除时（例如Flink CDC场景中），使用seq列可以有效的保证当数据乱序到达时的一致性，避免后到达的一个旧版本的删除操作，误删掉了先到达的新版本的数据。** diff --git a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/MAP.md b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/MAP.md index 4af18e7956..b5c87884c2 100644 --- a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/MAP.md +++ b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/MAP.md @@ -40,6 +40,10 @@ MAP 由K, V类型元素组成的map，不能作为key列使用。目前支持在Duplicate，Unique 模型的表中使用。 +需要手动开启支持，默认关闭. +``` +admin set frontend config("enable_map_type" = "true"); +``` K,V 支持的类型有： ``` diff --git a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/STRUCT.md b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/STRUCT.md index 39ec42b212..a88fdb56eb 100644 --- a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/STRUCT.md +++ b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Types/STRUCT.md @@ -40,6 +40,11 @@ STRUCT 由多个 Field 组成的结构体，也可被理解为多个列的集合。不能作为 Key 使用，目前 STRUCT 仅支持在 Duplicate 模型的表中使用。 +需要手动开启支持，默认关闭. +``` +admin set frontend config("enable_struct_type" = "true"); +``` + 一个 Struct 中的 Field 的名字和数量固定，总是为 Nullable，一个 Field 通常由下面部分组成。 - field_name: Field 的标识符，不可重复 --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
