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dataroaring merged 4 commits into from
Feb 10, 2026
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fix: correct triggers information schema documentation #3193

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2593332
fix: correct triggers information schema documentation
Subham-KRLX Dec 15, 2025
a2852dd
Merge remote-tracking branch 'upstream/master' into fix-triggers-doc
Subham-KRLX Dec 15, 2025
be7a3e0
Merge branch 'master' into fix-triggers-doc
Subham-KRLX Dec 15, 2025
8edc3c2
Merge branch 'master' into fix-triggers-doc
Subham-KRLX Jan 24, 2026
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52 changes: 26 additions & 26 deletions docs/admin-manual/system-tables/information_schema/triggers.md
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## Overview

Stores all table information.
The `triggers` table provides information about triggers.
Currently, Apache Doris supports this table for MySQL compatibility, but does not support user-defined triggers. This table is always empty.

## Database


`information_schema`


## Table Information

| Column Name | Type | Description |
| --------------- | ------------- | ------------------------------------------------------------ |
| TABLE_CATALOG | varchar(512) | The Catalog to which the table belongs |
| TABLE_SCHEMA | varchar(64) | The Database to which the table belongs |
| TABLE_NAME | varchar(64) | The name of the table |
| TABLE_TYPE | varchar(64) | The type of the table, including: SYSTEM VIEW, VIEW, BASE TABLE |
| ENGINE | varchar(64) | The storage engine type of the table |
| VERSION | bigint | Invalid value |
| ROW_FORMAT | varchar(10) | Invalid value |
| TABLE_ROWS | bigint | Estimated number of rows in the table |
| AVG_ROW_LENGTH | bigint | Average row size of the table |
| DATA_LENGTH | bigint | Estimated size of the table |
| MAX_DATA_LENGTH | bigint | Invalid value |
| INDEX_LENGTH | bigint | Invalid value |
| DATA_FREE | bigint | Invalid value |
| AUTO_INCREMENT | bigint | Invalid value |
| CREATE_TIME | datetime | The time when the table was created |
| UPDATE_TIME | datetime | The time when the table data was last updated |
| CHECK_TIME | datetime | Invalid value |
| TABLE_COLLATION | varchar(32) | Fixed value: utf-8 |
| CHECKSUM | bigint | Invalid value |
| CREATE_OPTIONS | varchar(255) | Invalid value |
| TABLE_COMMENT | varchar(2048) | Comments on the table |
| Column Name | Type | Description |
|---|---|---|
| TRIGGER_CATALOG | varchar(512) | The name of the catalog to which the trigger belongs. Always 'def'. |
| TRIGGER_SCHEMA | varchar(64) | The name of the schema (database) to which the trigger belongs. |
| TRIGGER_NAME | varchar(64) | The name of the trigger. |
| EVENT_MANIPULATION | varchar(6) | The trigger event (INSERT, UPDATE, DELETE). |
| EVENT_OBJECT_CATALOG | varchar(512) | The catalog name of the table with which the trigger is associated. Always 'def'. |
| EVENT_OBJECT_SCHEMA | varchar(64) | The schema (database) name of the table with which the trigger is associated. |
| EVENT_OBJECT_TABLE | varchar(64) | The name of the table with which the trigger is associated. |
| ACTION_ORDER | bigint | The ordinal definition order of the trigger. |
| ACTION_CONDITION | varchar(512) | null |
| ACTION_STATEMENT | varchar(512) | The trigger body. |
| ACTION_ORIENTATION | varchar(9) | Always 'ROW'. |
| ACTION_TIMING | varchar(6) | Trigger timing (BEFORE, AFTER). |
| ACTION_REFERENCE_OLD_TABLE | varchar(64) | null |
| ACTION_REFERENCE_NEW_TABLE | varchar(64) | null |
| ACTION_REFERENCE_OLD_ROW | varchar(3) | Always 'OLD'. |
| ACTION_REFERENCE_NEW_ROW | varchar(3) | Always 'NEW'. |
| CREATED | datetime | The time when the trigger was created. |
| SQL_MODE | varchar(8192) | The SQL mode in effect when the trigger was created. |
| DEFINER | varchar(77) | The account that created the trigger. |
| CHARACTER_SET_CLIENT | varchar(32) | The session value of the character_set_client system variable when the trigger was created. |
| COLLATION_CONNECTION | varchar(32) | The session value of the collation_connection system variable when the trigger was created. |
| DATABASE_COLLATION | varchar(32) | The collation of the database with which the trigger is associated. |
61 changes: 30 additions & 31 deletions ...-content-docs/current/admin-manual/system-tables/information_schema/triggers.md
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Expand Up @@ -6,39 +6,38 @@
}
---

## 概述
## Overview

此表仅用于兼容 MySQL 行为。永远为空。

## 所属数据库
`triggers` 表提供了关于触发器的信息。
目前，Apache Doris 支持此表是为了兼容 MySQL，但不支持用户自定义触发器。此表始终为空。

## Database

`information_schema`


## 表信息

| 列名 | 类型 | 说明 |
| :------------------------- | :------------ | :--- |
| TRIGGER_CATALOG | varchar(512) | |
| TRIGGER_SCHEMA | varchar(64) | |
| TRIGGER_NAME | varchar(64) | |
| EVENT_MANIPULATION | varchar(6) | |
| EVENT_OBJECT_CATALOG | varchar(512) | |
| EVENT_OBJECT_SCHEMA | varchar(64) | |
| EVENT_OBJECT_TABLE | varchar(64) | |
| ACTION_ORDER | varchar(4) | |
| ACTION_CONDITION | varchar(512) | |
| ACTION_STATEMENT | varchar(512) | |
| ACTION_ORIENTATION | varchar(9) | |
| ACTION_TIMING | varchar(6) | |
| ACTION_REFERENCE_OLD_TABLE | varchar(64) | |
| ACTION_REFERENCE_NEW_TABLE | varchar(64) | |
| ACTION_REFERENCE_OLD_ROW | varchar(3) | |
| ACTION_REFERENCE_NEW_ROW | varchar(3) | |
| CREATED | datetime | |
| SQL_MODE | varchar(8192) | |
| DEFINER | varchar(77) | |
| CHARACTER_SET_CLIENT | varchar(32) | |
| COLLATION_CONNECTION | varchar(32) | |
| DATABASE_COLLATION | varchar(32) | |
## Table Information

| Column Name | Type | Description |
|---|---|---|
| TRIGGER_CATALOG | varchar(512) | 触发器所属的目录名称。始终为 'def'。 |
| TRIGGER_SCHEMA | varchar(64) | 触发器所属的模式（数据库）名称。 |
| TRIGGER_NAME | varchar(64) | 触发器名称。 |
| EVENT_MANIPULATION | varchar(6) | 触发器事件 (INSERT, UPDATE, DELETE)。 |
| EVENT_OBJECT_CATALOG | varchar(512) | 与触发器关联的表的目录名称。始终为 'def'。 |
| EVENT_OBJECT_SCHEMA | varchar(64) | 与触发器关联的表的模式（数据库）名称。 |
| EVENT_OBJECT_TABLE | varchar(64) | 与触发器关联的表的名称。 |
| ACTION_ORDER | bigint | 触发器的序号定义顺序。 |
| ACTION_CONDITION | varchar(512) | null |
| ACTION_STATEMENT | varchar(512) | 触发器主体。 |
| ACTION_ORIENTATION | varchar(9) | 始终为 'ROW'。 |
| ACTION_TIMING | varchar(6) | 触发器时机 (BEFORE, AFTER)。 |
| ACTION_REFERENCE_OLD_TABLE | varchar(64) | null |
| ACTION_REFERENCE_NEW_TABLE | varchar(64) | null |
| ACTION_REFERENCE_OLD_ROW | varchar(3) | 始终为 'OLD'。 |
| ACTION_REFERENCE_NEW_ROW | varchar(3) | 始终为 'NEW'。 |
| CREATED | datetime | 触发器创建时间。 |
| SQL_MODE | varchar(8192) | 触发器创建时生效的 SQL 模式。 |
| DEFINER | varchar(77) | 创建触发器的账户。 |
| CHARACTER_SET_CLIENT | varchar(32) | 触发器创建时 character_set_client 系统变量的会话值。 |
| COLLATION_CONNECTION | varchar(32) | 触发器创建时 collation_connection 系统变量的会话值。 |
| DATABASE_COLLATION | varchar(32) | 与触发器关联的数据库的排序规则。 |
61 changes: 30 additions & 31 deletions ...tent-docs/version-2.1/admin-manual/system-tables/information_schema/triggers.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,39 +6,38 @@
}
---

## 概述
## Overview

此表仅用于兼容 MySQL 行为。永远为空。

## 所属数据库
`triggers` 表提供了关于触发器的信息。
目前，Apache Doris 支持此表是为了兼容 MySQL，但不支持用户自定义触发器。此表始终为空。

## Database

`information_schema`


## 表信息

| 列名 | 类型 | 说明 |
| :------------------------- | :------------ | :--- |
| TRIGGER_CATALOG | varchar(512) | |
| TRIGGER_SCHEMA | varchar(64) | |
| TRIGGER_NAME | varchar(64) | |
| EVENT_MANIPULATION | varchar(6) | |
| EVENT_OBJECT_CATALOG | varchar(512) | |
| EVENT_OBJECT_SCHEMA | varchar(64) | |
| EVENT_OBJECT_TABLE | varchar(64) | |
| ACTION_ORDER | varchar(4) | |
| ACTION_CONDITION | varchar(512) | |
| ACTION_STATEMENT | varchar(512) | |
| ACTION_ORIENTATION | varchar(9) | |
| ACTION_TIMING | varchar(6) | |
| ACTION_REFERENCE_OLD_TABLE | varchar(64) | |
| ACTION_REFERENCE_NEW_TABLE | varchar(64) | |
| ACTION_REFERENCE_OLD_ROW | varchar(3) | |
| ACTION_REFERENCE_NEW_ROW | varchar(3) | |
| CREATED | datetime | |
| SQL_MODE | varchar(8192) | |
| DEFINER | varchar(77) | |
| CHARACTER_SET_CLIENT | varchar(32) | |
| COLLATION_CONNECTION | varchar(32) | |
| DATABASE_COLLATION | varchar(32) | |
## Table Information

| Column Name | Type | Description |
|---|---|---|
| TRIGGER_CATALOG | varchar(512) | 触发器所属的目录名称。始终为 'def'。 |
| TRIGGER_SCHEMA | varchar(64) | 触发器所属的模式（数据库）名称。 |
| TRIGGER_NAME | varchar(64) | 触发器名称。 |
| EVENT_MANIPULATION | varchar(6) | 触发器事件 (INSERT, UPDATE, DELETE)。 |
| EVENT_OBJECT_CATALOG | varchar(512) | 与触发器关联的表的目录名称。始终为 'def'。 |
| EVENT_OBJECT_SCHEMA | varchar(64) | 与触发器关联的表的模式（数据库）名称。 |
| EVENT_OBJECT_TABLE | varchar(64) | 与触发器关联的表的名称。 |
| ACTION_ORDER | bigint | 触发器的序号定义顺序。 |
| ACTION_CONDITION | varchar(512) | null |
| ACTION_STATEMENT | varchar(512) | 触发器主体。 |
| ACTION_ORIENTATION | varchar(9) | 始终为 'ROW'。 |
| ACTION_TIMING | varchar(6) | 触发器时机 (BEFORE, AFTER)。 |
| ACTION_REFERENCE_OLD_TABLE | varchar(64) | null |
| ACTION_REFERENCE_NEW_TABLE | varchar(64) | null |
| ACTION_REFERENCE_OLD_ROW | varchar(3) | 始终为 'OLD'。 |
| ACTION_REFERENCE_NEW_ROW | varchar(3) | 始终为 'NEW'。 |
| CREATED | datetime | 触发器创建时间。 |
| SQL_MODE | varchar(8192) | 触发器创建时生效的 SQL 模式。 |
| DEFINER | varchar(77) | 创建触发器的账户。 |
| CHARACTER_SET_CLIENT | varchar(32) | 触发器创建时 character_set_client 系统变量的会话值。 |
| COLLATION_CONNECTION | varchar(32) | 触发器创建时 collation_connection 系统变量的会话值。 |
| DATABASE_COLLATION | varchar(32) | 与触发器关联的数据库的排序规则。 |
61 changes: 30 additions & 31 deletions ...tent-docs/version-4.x/admin-manual/system-tables/information_schema/triggers.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,39 +6,38 @@
}
---

## 概述
## Overview

此表仅用于兼容 MySQL 行为。永远为空。

## 所属数据库
`triggers` 表提供了关于触发器的信息。
目前，Apache Doris 支持此表是为了兼容 MySQL，但不支持用户自定义触发器。此表始终为空。

## Database

`information_schema`


## 表信息

| 列名 | 类型 | 说明 |
| :------------------------- | :------------ | :--- |
| TRIGGER_CATALOG | varchar(512) | |
| TRIGGER_SCHEMA | varchar(64) | |
| TRIGGER_NAME | varchar(64) | |
| EVENT_MANIPULATION | varchar(6) | |
| EVENT_OBJECT_CATALOG | varchar(512) | |
| EVENT_OBJECT_SCHEMA | varchar(64) | |
| EVENT_OBJECT_TABLE | varchar(64) | |
| ACTION_ORDER | varchar(4) | |
| ACTION_CONDITION | varchar(512) | |
| ACTION_STATEMENT | varchar(512) | |
| ACTION_ORIENTATION | varchar(9) | |
| ACTION_TIMING | varchar(6) | |
| ACTION_REFERENCE_OLD_TABLE | varchar(64) | |
| ACTION_REFERENCE_NEW_TABLE | varchar(64) | |
| ACTION_REFERENCE_OLD_ROW | varchar(3) | |
| ACTION_REFERENCE_NEW_ROW | varchar(3) | |
| CREATED | datetime | |
| SQL_MODE | varchar(8192) | |
| DEFINER | varchar(77) | |
| CHARACTER_SET_CLIENT | varchar(32) | |
| COLLATION_CONNECTION | varchar(32) | |
| DATABASE_COLLATION | varchar(32) | |
## Table Information

| Column Name | Type | Description |
|---|---|---|
| TRIGGER_CATALOG | varchar(512) | 触发器所属的目录名称。始终为 'def'。 |
| TRIGGER_SCHEMA | varchar(64) | 触发器所属的模式（数据库）名称。 |
| TRIGGER_NAME | varchar(64) | 触发器名称。 |
| EVENT_MANIPULATION | varchar(6) | 触发器事件 (INSERT, UPDATE, DELETE)。 |
| EVENT_OBJECT_CATALOG | varchar(512) | 与触发器关联的表的目录名称。始终为 'def'。 |
| EVENT_OBJECT_SCHEMA | varchar(64) | 与触发器关联的表的模式（数据库）名称。 |
| EVENT_OBJECT_TABLE | varchar(64) | 与触发器关联的表的名称。 |
| ACTION_ORDER | bigint | 触发器的序号定义顺序。 |
| ACTION_CONDITION | varchar(512) | null |
| ACTION_STATEMENT | varchar(512) | 触发器主体。 |
| ACTION_ORIENTATION | varchar(9) | 始终为 'ROW'。 |
| ACTION_TIMING | varchar(6) | 触发器时机 (BEFORE, AFTER)。 |
| ACTION_REFERENCE_OLD_TABLE | varchar(64) | null |
| ACTION_REFERENCE_NEW_TABLE | varchar(64) | null |
| ACTION_REFERENCE_OLD_ROW | varchar(3) | 始终为 'OLD'。 |
| ACTION_REFERENCE_NEW_ROW | varchar(3) | 始终为 'NEW'。 |
| CREATED | datetime | 触发器创建时间。 |
| SQL_MODE | varchar(8192) | 触发器创建时生效的 SQL 模式。 |
| DEFINER | varchar(77) | 创建触发器的账户。 |
| CHARACTER_SET_CLIENT | varchar(32) | 触发器创建时 character_set_client 系统变量的会话值。 |
| COLLATION_CONNECTION | varchar(32) | 触发器创建时 collation_connection 系统变量的会话值。 |
| DATABASE_COLLATION | varchar(32) | 与触发器关联的数据库的排序规则。 |
52 changes: 26 additions & 26 deletions ...oned_docs/version-2.1/admin-manual/system-tables/information_schema/triggers.md
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -8,36 +8,36 @@

## Overview

Stores all table information.
The `triggers` table provides information about triggers.
Currently, Apache Doris supports this table for MySQL compatibility, but does not support user-defined triggers. This table is always empty.

## Database


`information_schema`


## Table Information

| Column Name | Type | Description |
| --------------- | ------------- | ------------------------------------------------------------ |
| TABLE_CATALOG | varchar(512) | The Catalog to which the table belongs |
| TABLE_SCHEMA | varchar(64) | The Database to which the table belongs |
| TABLE_NAME | varchar(64) | The name of the table |
| TABLE_TYPE | varchar(64) | The type of the table, including: SYSTEM VIEW, VIEW, BASE TABLE |
| ENGINE | varchar(64) | The storage engine type of the table |
| VERSION | bigint | Invalid value |
| ROW_FORMAT | varchar(10) | Invalid value |
| TABLE_ROWS | bigint | Estimated number of rows in the table |
| AVG_ROW_LENGTH | bigint | Average row size of the table |
| DATA_LENGTH | bigint | Estimated size of the table |
| MAX_DATA_LENGTH | bigint | Invalid value |
| INDEX_LENGTH | bigint | Invalid value |
| DATA_FREE | bigint | Invalid value |
| AUTO_INCREMENT | bigint | Invalid value |
| CREATE_TIME | datetime | The time when the table was created |
| UPDATE_TIME | datetime | The time when the table data was last updated |
| CHECK_TIME | datetime | Invalid value |
| TABLE_COLLATION | varchar(32) | Fixed value: utf-8 |
| CHECKSUM | bigint | Invalid value |
| CREATE_OPTIONS | varchar(255) | Invalid value |
| TABLE_COMMENT | varchar(2048) | Comments on the table |
| Column Name | Type | Description |
|---|---|---|
| TRIGGER_CATALOG | varchar(512) | The name of the catalog to which the trigger belongs. Always 'def'. |
| TRIGGER_SCHEMA | varchar(64) | The name of the schema (database) to which the trigger belongs. |
| TRIGGER_NAME | varchar(64) | The name of the trigger. |
| EVENT_MANIPULATION | varchar(6) | The trigger event (INSERT, UPDATE, DELETE). |
| EVENT_OBJECT_CATALOG | varchar(512) | The catalog name of the table with which the trigger is associated. Always 'def'. |
| EVENT_OBJECT_SCHEMA | varchar(64) | The schema (database) name of the table with which the trigger is associated. |
| EVENT_OBJECT_TABLE | varchar(64) | The name of the table with which the trigger is associated. |
| ACTION_ORDER | bigint | The ordinal definition order of the trigger. |
| ACTION_CONDITION | varchar(512) | null |
| ACTION_STATEMENT | varchar(512) | The trigger body. |
| ACTION_ORIENTATION | varchar(9) | Always 'ROW'. |
| ACTION_TIMING | varchar(6) | Trigger timing (BEFORE, AFTER). |
| ACTION_REFERENCE_OLD_TABLE | varchar(64) | null |
| ACTION_REFERENCE_NEW_TABLE | varchar(64) | null |
| ACTION_REFERENCE_OLD_ROW | varchar(3) | Always 'OLD'. |
| ACTION_REFERENCE_NEW_ROW | varchar(3) | Always 'NEW'. |
| CREATED | datetime | The time when the trigger was created. |
| SQL_MODE | varchar(8192) | The SQL mode in effect when the trigger was created. |
| DEFINER | varchar(77) | The account that created the trigger. |
| CHARACTER_SET_CLIENT | varchar(32) | The session value of the character_set_client system variable when the trigger was created. |
| COLLATION_CONNECTION | varchar(32) | The session value of the collation_connection system variable when the trigger was created. |
| DATABASE_COLLATION | varchar(32) | The collation of the database with which the trigger is associated. |
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