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new 795745ddc5c Modify the update parameters of some columns (#3248)
795745ddc5c is described below
commit 795745ddc5c3c7e075cd0958b24add63f3718f3b
Author: yuanyuan8983 <[email protected]>
AuthorDate: Sat Feb 28 18:22:13 2026 +0800
Modify the update parameters of some columns (#3248)
## Versions
- [x] dev
- [x] 4.x
- [x] 3.x
- [x] 2.1
## Languages
- [ ] Chinese
- [ ] English
## Docs Checklist
- [ ] Checked by AI
- [ ] Test Cases Built
---
docs/data-operate/update/update-overview.md | 4 ++--
.../current/data-operate/update/update-overview.md | 4 ++--
.../version-2.1/data-operate/update/update-overview.md | 4 ++--
.../version-3.x/data-operate/update/update-overview.md | 4 ++--
.../version-4.x/data-operate/update/update-overview.md | 4 ++--
versioned_docs/version-2.1/data-operate/update/update-overview.md | 4 ++--
versioned_docs/version-3.x/data-operate/update/update-overview.md | 4 ++--
versioned_docs/version-4.x/data-operate/update/update-overview.md | 4 ++--
8 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/docs/data-operate/update/update-overview.md
b/docs/data-operate/update/update-overview.md
index 09f299aa55e..f7a2e687888 100644
--- a/docs/data-operate/update/update-overview.md
+++ b/docs/data-operate/update/update-overview.md
@@ -158,7 +158,7 @@ The following diagram shows how `DORIS_DELETE_SIGN` works:
Starting from version 2.0, Doris supports powerful partial column update
capabilities on Unique Key Models (MoW). When loading data, users only need to
provide the primary key and columns to be updated; unprovided columns will
maintain their original values unchanged. This greatly simplifies ETL processes
for scenarios like wide table joining and real-time tag updates.
-To enable this functionality, you need to enable Merge-on-Write (MoW) mode
when creating Unique Key Model tables and set the
`enable_unique_key_partial_update` property to `true`, or configure the
`"partial_columns"` parameter during data load.
+To enable this feature, you need to enable the write-time Merge (MoW) mode
when creating the unique key model table, and set the session variable
parameter 'enable_unique_key_partial_update' to 'true'. And configure the
'partial_columns' parameter during data loading.
```sql
CREATE TABLE user_profiles (
@@ -170,7 +170,7 @@ CREATE TABLE user_profiles (
UNIQUE KEY(user_id)
DISTRIBUTED BY HASH(user_id)
PROPERTIES (
- "enable_unique_key_partial_update" = "true"
+ "enable_unique_key_merge_on_write" = "true"
);
-- Initial data
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/data-operate/update/update-overview.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/data-operate/update/update-overview.md
index 139d2a0313d..f47ff3abd9a 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/data-operate/update/update-overview.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/data-operate/update/update-overview.md
@@ -158,7 +158,7 @@ PROPERTIES (
从 2.0 版本开始，Doris
在主键模型（MoW）上支持了强大的部分列更新能力。用户在导入数据时，只需提供主键和待更新的列，未提供的列将保持其原值不变。这极大地简化了宽表拼接、实时标签更新等场景的ETL流程。
-要启用此功能，需在创建主键模型表时，开启 Merge-on-Write (MoW) 模式，并设置
`enable_unique_key_partial_update` 属性为 `true`。或者在数据导入时配置`"partial_columns"`参数
+要启用此功能，需在创建主键模型表时，开启 Merge-on-Write (MoW) 模式，并设置变量
`enable_unique_key_partial_update` 为 `true`。并且在数据导入时配置`"partial_columns"`参数。
```sql
CREATE TABLE user_profiles (
@@ -170,7 +170,7 @@ CREATE TABLE user_profiles (
UNIQUE KEY(user_id)
DISTRIBUTED BY HASH(user_id)
PROPERTIES (
- "enable_unique_key_partial_update" = "true"
+ "enable_unique_key_merge_on_write" = "true"
);
-- 初始数据
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/data-operate/update/update-overview.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/data-operate/update/update-overview.md
index 5c193723279..110acca7acd 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/data-operate/update/update-overview.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/data-operate/update/update-overview.md
@@ -158,7 +158,7 @@ PROPERTIES (
从 2.0 版本开始，Doris
在主键模型（MoW）上支持了强大的部分列更新能力。用户在导入数据时，只需提供主键和待更新的列，未提供的列将保持其原值不变。这极大地简化了宽表拼接、实时标签更新等场景的ETL流程。
-要启用此功能，需在创建主键模型表时，开启 Merge-on-Write (MoW) 模式，并设置
`enable_unique_key_partial_update` 属性为 `true`。或者在数据导入时配置`"partial_columns"`参数
+要启用此功能，需在创建主键模型表时，开启 Merge-on-Write (MoW) 模式，并设置变量
`enable_unique_key_partial_update` 为 `true`，并且在数据导入时配置`"partial_columns"`参数。
```sql
CREATE TABLE user_profiles (
@@ -170,7 +170,7 @@ CREATE TABLE user_profiles (
UNIQUE KEY(user_id)
DISTRIBUTED BY HASH(user_id)
PROPERTIES (
- "enable_unique_key_partial_update" = "true"
+ "enable_unique_key_merge_on_write" = "true"
);
-- 初始数据
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.x/data-operate/update/update-overview.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.x/data-operate/update/update-overview.md
index 139d2a0313d..f995003ad3a 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.x/data-operate/update/update-overview.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.x/data-operate/update/update-overview.md
@@ -158,7 +158,7 @@ PROPERTIES (
从 2.0 版本开始，Doris
在主键模型（MoW）上支持了强大的部分列更新能力。用户在导入数据时，只需提供主键和待更新的列，未提供的列将保持其原值不变。这极大地简化了宽表拼接、实时标签更新等场景的ETL流程。
-要启用此功能，需在创建主键模型表时，开启 Merge-on-Write (MoW) 模式，并设置
`enable_unique_key_partial_update` 属性为 `true`。或者在数据导入时配置`"partial_columns"`参数
+要启用此功能，需在创建主键模型表时，开启 Merge-on-Write (MoW) 模式，并设置变量
`enable_unique_key_partial_update` 为 `true`，并且在数据导入时配置`"partial_columns"`参数。
```sql
CREATE TABLE user_profiles (
@@ -170,7 +170,7 @@ CREATE TABLE user_profiles (
UNIQUE KEY(user_id)
DISTRIBUTED BY HASH(user_id)
PROPERTIES (
- "enable_unique_key_partial_update" = "true"
+ "enable_unique_key_merge_on_write" = "true"
);
-- 初始数据
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-4.x/data-operate/update/update-overview.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-4.x/data-operate/update/update-overview.md
index 139d2a0313d..f995003ad3a 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-4.x/data-operate/update/update-overview.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-4.x/data-operate/update/update-overview.md
@@ -158,7 +158,7 @@ PROPERTIES (
从 2.0 版本开始，Doris
在主键模型（MoW）上支持了强大的部分列更新能力。用户在导入数据时，只需提供主键和待更新的列，未提供的列将保持其原值不变。这极大地简化了宽表拼接、实时标签更新等场景的ETL流程。
-要启用此功能，需在创建主键模型表时，开启 Merge-on-Write (MoW) 模式，并设置
`enable_unique_key_partial_update` 属性为 `true`。或者在数据导入时配置`"partial_columns"`参数
+要启用此功能，需在创建主键模型表时，开启 Merge-on-Write (MoW) 模式，并设置变量
`enable_unique_key_partial_update` 为 `true`，并且在数据导入时配置`"partial_columns"`参数。
```sql
CREATE TABLE user_profiles (
@@ -170,7 +170,7 @@ CREATE TABLE user_profiles (
UNIQUE KEY(user_id)
DISTRIBUTED BY HASH(user_id)
PROPERTIES (
- "enable_unique_key_partial_update" = "true"
+ "enable_unique_key_merge_on_write" = "true"
);
-- 初始数据
diff --git a/versioned_docs/version-2.1/data-operate/update/update-overview.md
b/versioned_docs/version-2.1/data-operate/update/update-overview.md
index 247604b2340..862bf398fe3 100644
--- a/versioned_docs/version-2.1/data-operate/update/update-overview.md
+++ b/versioned_docs/version-2.1/data-operate/update/update-overview.md
@@ -158,7 +158,7 @@ The following diagram shows how `DORIS_DELETE_SIGN` works:
Starting from version 2.0, Doris supports powerful partial column update
capabilities on Unique Key Models (MoW). When loading data, users only need to
provide the primary key and columns to be updated; unprovided columns will
maintain their original values unchanged. This greatly simplifies ETL processes
for scenarios like wide table joining and real-time tag updates.
-To enable this functionality, you need to enable Merge-on-Write (MoW) mode
when creating Unique Key Model tables and set the
`enable_unique_key_partial_update` property to `true`, or configure the
`"partial_columns"` parameter during data load.
+To enable this feature, you need to enable the write-time Merge (MoW) mode
when creating the unique key model table, and set the session variable
parameter 'enable_unique_key_partial_update' to 'true'. And configure the
'partial_columns' parameter during data loading.
```sql
CREATE TABLE user_profiles (
@@ -170,7 +170,7 @@ CREATE TABLE user_profiles (
UNIQUE KEY(user_id)
DISTRIBUTED BY HASH(user_id)
PROPERTIES (
- "enable_unique_key_partial_update" = "true"
+ "enable_unique_key_merge_on_write" = "true"
);
-- Initial data
diff --git a/versioned_docs/version-3.x/data-operate/update/update-overview.md
b/versioned_docs/version-3.x/data-operate/update/update-overview.md
index 09f299aa55e..f7a2e687888 100644
--- a/versioned_docs/version-3.x/data-operate/update/update-overview.md
+++ b/versioned_docs/version-3.x/data-operate/update/update-overview.md
@@ -158,7 +158,7 @@ The following diagram shows how `DORIS_DELETE_SIGN` works:
Starting from version 2.0, Doris supports powerful partial column update
capabilities on Unique Key Models (MoW). When loading data, users only need to
provide the primary key and columns to be updated; unprovided columns will
maintain their original values unchanged. This greatly simplifies ETL processes
for scenarios like wide table joining and real-time tag updates.
-To enable this functionality, you need to enable Merge-on-Write (MoW) mode
when creating Unique Key Model tables and set the
`enable_unique_key_partial_update` property to `true`, or configure the
`"partial_columns"` parameter during data load.
+To enable this feature, you need to enable the write-time Merge (MoW) mode
when creating the unique key model table, and set the session variable
parameter 'enable_unique_key_partial_update' to 'true'. And configure the
'partial_columns' parameter during data loading.
```sql
CREATE TABLE user_profiles (
@@ -170,7 +170,7 @@ CREATE TABLE user_profiles (
UNIQUE KEY(user_id)
DISTRIBUTED BY HASH(user_id)
PROPERTIES (
- "enable_unique_key_partial_update" = "true"
+ "enable_unique_key_merge_on_write" = "true"
);
-- Initial data
diff --git a/versioned_docs/version-4.x/data-operate/update/update-overview.md
b/versioned_docs/version-4.x/data-operate/update/update-overview.md
index 09f299aa55e..f7a2e687888 100644
--- a/versioned_docs/version-4.x/data-operate/update/update-overview.md
+++ b/versioned_docs/version-4.x/data-operate/update/update-overview.md
@@ -158,7 +158,7 @@ The following diagram shows how `DORIS_DELETE_SIGN` works:
Starting from version 2.0, Doris supports powerful partial column update
capabilities on Unique Key Models (MoW). When loading data, users only need to
provide the primary key and columns to be updated; unprovided columns will
maintain their original values unchanged. This greatly simplifies ETL processes
for scenarios like wide table joining and real-time tag updates.
-To enable this functionality, you need to enable Merge-on-Write (MoW) mode
when creating Unique Key Model tables and set the
`enable_unique_key_partial_update` property to `true`, or configure the
`"partial_columns"` parameter during data load.
+To enable this feature, you need to enable the write-time Merge (MoW) mode
when creating the unique key model table, and set the session variable
parameter 'enable_unique_key_partial_update' to 'true'. And configure the
'partial_columns' parameter during data loading.
```sql
CREATE TABLE user_profiles (
@@ -170,7 +170,7 @@ CREATE TABLE user_profiles (
UNIQUE KEY(user_id)
DISTRIBUTED BY HASH(user_id)
PROPERTIES (
- "enable_unique_key_partial_update" = "true"
+ "enable_unique_key_merge_on_write" = "true"
);
-- Initial data
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