docs: refine meta docs (#22825)
* docs: add current_user() in function * docs: kill query command need quote around id * docs: refine grafana plugin document * docs: refine tdinsight doc * docs: note about grafana unified alerting * docs: refine en/14-reference/07-tdinsight/index.md * docs: refine mete docs
This commit is contained in:
parent
792460f0b8
commit
b17a087fd6
|
@ -74,27 +74,27 @@ Provides information about the cluster.
|
|||
|
||||
Provides information about user-created databases. Similar to SHOW DATABASES.
|
||||
|
||||
| # | **Column** | **Data Type** | **Description** |
|
||||
| # | **Column** | **Data Type** | **Description** |
|
||||
| --- | :------------------: | ---------------- | ------------------------------------------------ |
|
||||
| 1| name| BINARY(32)| Database name |
|
||||
| 1 | name | VARCHAR(64) | Database name |
|
||||
| 2 | create_time | TIMESTAMP | Creation time |
|
||||
| 3 | ntables | INT | Number of standard tables and subtables (not including supertables) |
|
||||
| 4 | vgroups | INT | Number of vgroups. It should be noted that `vnodes` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 6 | replica | INT | Number of replicas. It should be noted that `replica` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 7 | strict | BINARY(4) | Obsoleted |
|
||||
| 8 | duration | INT | Duration for storage of single files. It should be noted that `duration` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 9 | keep | INT | Data retention period. It should be noted that `keep` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 7 | strict | VARCHAR(4) | Obsoleted |
|
||||
| 8 | duration | VARCHAR(10) | Duration for storage of single files. It should be noted that `duration` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 9 | keep | VARCHAR(32) | Data retention period. It should be noted that `keep` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 10 | buffer | INT | Write cache size per vnode, in MB. It should be noted that `buffer` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 11 | pagesize | INT | Page size for vnode metadata storage engine, in KB. It should be noted that `pagesize` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 12 | pages | INT | Number of pages per vnode metadata storage engine. It should be noted that `pages` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 13 | minrows | INT | Maximum number of records per file block. It should be noted that `minrows` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 14 | maxrows | INT | Minimum number of records per file block. It should be noted that `maxrows` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 15 | comp | INT | Compression method. It should be noted that `comp` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 16 | precision | BINARY(2) | Time precision. It should be noted that `precision` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 17 | status | BINARY(10) | Current database status |
|
||||
| 18 | retentions | BINARY (60) | Aggregation interval and retention period. It should be noted that `retentions` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 16 | precision | VARCHAR(2) | Time precision. It should be noted that `precision` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 17 | status | VARCHAR(10) | Current database status |
|
||||
| 18 | retentions | VARCHAR(60) | Aggregation interval and retention period. It should be noted that `retentions` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 19 | single_stable | BOOL | Whether the database can contain multiple supertables. It should be noted that `single_stable` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 20 | cachemodel | BINARY(60) | Caching method for the newest data. It should be noted that `cachemodel` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 20 | cachemodel | VARCHAR(60) | Caching method for the newest data. It should be noted that `cachemodel` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 21 | cachesize | INT | Memory per vnode used for caching the newest data. It should be noted that `cachesize` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 22 | wal_level | INT | WAL level. It should be noted that `wal_level` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
| 23 | wal_fsync_period | INT | Interval at which WAL is written to disk. It should be noted that `wal_fsync_period` is a TDengine keyword and needs to be escaped with ` when used as a column name. |
|
||||
|
|
|
@ -76,25 +76,25 @@ TDengine 内置了一个名为 `INFORMATION_SCHEMA` 的数据库,提供对数
|
|||
|
||||
| # | **列名** | **数据类型** | **说明** |
|
||||
| --- | :------------------: | ---------------- | ------------------------------------------------ |
|
||||
| 1 | name | BINARY(32) | 数据库名 |
|
||||
| 1 | name | VARCHAR(64) | 数据库名 |
|
||||
| 2 | create_time | TIMESTAMP | 创建时间 |
|
||||
| 3 | ntables | INT | 数据库中表的数量,包含子表和普通表但不包含超级表 |
|
||||
| 4 | vgroups | INT | 数据库中有多少个 vgroup。需要注意,`vgroups` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 6 | replica | INT | 副本数。需要注意,`replica` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 7 | strict | BINARY(4) | 废弃参数 |
|
||||
| 8 | duration | INT | 单文件存储数据的时间跨度。需要注意,`duration` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 9 | keep | INT | 数据保留时长。需要注意,`keep` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 7 | strict | VARCHAR(4) | 废弃参数 |
|
||||
| 8 | duration | VARCHAR(10) | 单文件存储数据的时间跨度。需要注意,`duration` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 9 | keep | VARCHAR(32) | 数据保留时长。需要注意,`keep` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 10 | buffer | INT | 每个 vnode 写缓存的内存块大小,单位 MB。需要注意,`buffer` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 11 | pagesize | INT | 每个 VNODE 中元数据存储引擎的页大小,单位为 KB。需要注意,`pagesize` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 12 | pages | INT | 每个 vnode 元数据存储引擎的缓存页个数。需要注意,`pages` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 13 | minrows | INT | 文件块中记录的最大条数。需要注意,`minrows` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 14 | maxrows | INT | 文件块中记录的最小条数。需要注意,`maxrows` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 15 | comp | INT | 数据压缩方式。需要注意,`comp` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 16 | precision | BINARY(2) | 时间分辨率。需要注意,`precision` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 17 | status | BINARY(10) | 数据库状态 |
|
||||
| 18 | retentions | BINARY (60) | 数据的聚合周期和保存时长。需要注意,`retentions` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 16 | precision | VARCHAR(2) | 时间分辨率。需要注意,`precision` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 17 | status | VARCHAR(10) | 数据库状态 |
|
||||
| 18 | retentions | VARCHAR(60) | 数据的聚合周期和保存时长。需要注意,`retentions` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 19 | single_stable | BOOL | 表示此数据库中是否只可以创建一个超级表。需要注意,`single_stable` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 20 | cachemodel | BINARY(60) | 表示是否在内存中缓存子表的最近数据。需要注意,`cachemodel` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 20 | cachemodel | VARCHAR(60) | 表示是否在内存中缓存子表的最近数据。需要注意,`cachemodel` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 21 | cachesize | INT | 表示每个 vnode 中用于缓存子表最近数据的内存大小。需要注意,`cachesize` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 22 | wal_level | INT | WAL 级别。需要注意,`wal_level` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
| 23 | wal_fsync_period | INT | 数据落盘周期。需要注意,`wal_fsync_period` 为 TDengine 关键字,作为列名使用时需要使用 ` 进行转义。 |
|
||||
|
|
Loading…
Reference in New Issue