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Posted to commits@iotdb.apache.org by ha...@apache.org on 2023/02/24 07:08:50 UTC
[iotdb] branch master updated: Update nifi doc (#9051)
This is an automated email from the ASF dual-hosted git repository.
haonan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/iotdb.git
The following commit(s) were added to refs/heads/master by this push:
new 2f385d4067 Update nifi doc (#9051)
2f385d4067 is described below
commit 2f385d4067b3e50cbc8d87b9420c0a41a43ab3f9
Author: Zhizhou Li <li...@gmail.com>
AuthorDate: Fri Feb 24 15:08:43 2023 +0800
Update nifi doc (#9051)
---
docs/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md | 4 ++--
docs/zh/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/docs/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md b/docs/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md
index 4f973a4fd9..6382bd647f 100644
--- a/docs/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md
+++ b/docs/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md
@@ -59,6 +59,7 @@ This is a processor that reads the content of the incoming FlowFile as individua
| Username | Username to access the IoTDB. | null | true |
| Password | Password to access the IoTDB. | null | true |
| Prefix | The Prefix begin with root. that will be add to the tsName in data. <br /> It can be updated by expression language. | null | true |
+| Time | The name of time field | null | true |
| Record Reader | Specifies the type of Record Reader controller service to use <br />for parsing the incoming data and determining the schema. | null | true |
| Schema | The schema that IoTDB needs doesn't support good by NiFi.<br/>Therefore, you can define the schema here. <br />Besides, you can set encoding type and compression type by this method.<br />If you don't set this property, the inferred schema will be used.<br /> It can be updated by expression language. | null | false |
| Aligned | Whether using aligned interface? It can be updated by expression language. | false | false |
@@ -69,7 +70,7 @@ This is a processor that reads the content of the incoming FlowFile as individua
There are a couple of rules about flowfile:
1. The flowfile can be read by `Record Reader`.
-2. The schema of flowfile must contain a field `Time`, and it must be the first.
+2. The schema of flowfile must contain a time field with name set in Time property.
3. The data type of time must be `STRING` or `LONG`.
4. Fields excepted time must start with `root.`.
5. The supported data types are `INT`, `LONG`, `FLOAT`, `DOUBLE`, `BOOLEAN`, `TEXT`.
@@ -82,7 +83,6 @@ The structure of property `Schema`:
```json
{
- "timeType": "LONG",
"fields": [{
"tsName": "s1",
"dataType": "INT32",
diff --git a/docs/zh/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md b/docs/zh/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md
index 686aa96a8c..187a3ea034 100644
--- a/docs/zh/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md
+++ b/docs/zh/UserGuide/Ecosystem-Integration/NiFi-IoTDB.md
@@ -59,6 +59,7 @@ Apache NiFi 包含以下功能：
| Username | IoTDB 的用户名 | null | true |
| Password | IoTDB 的密码 | null | true |
| Prefix | 将被写入IoTDB的数据的tsName前缀 以root. 开头 <br /> 可以使用Nifi expression language做动态替换. | null | true |
+| Time | 时间字段名 | null | true |
| Record Reader | 指定一个 Record Reader controller service 来解析数据，并且推断数据格式。 | null | true |
| Schema | IoTDB 需要的 schema 不能很好的被 NiFi 支持，因此你可以在这里自定义 schema。<br />除此之外，你可以通过这个方式设置编码和压缩类型。如果你没有设置这个配置，就会使用 Record Reader 推断的 schema。<br />这个配置可以通过 Attributes 的表达式来更新。 | null | false |
| Aligned | 是否使用 aligned 接口？<br />这个配置可以通过 Attributes 的表达式来更新。 | false | false |
@@ -69,7 +70,7 @@ Apache NiFi 包含以下功能：
如果要使用推断类型，需要注意以下几点：
1. 输入的 flowfile 需要能被 `Record Reader` 读取。
-2. flowfile的 schema 中必须包含 `Time` 列，而且 `Time` 列必须是第一列。
+2. flowfile的 schema 中必须包含以时间字段名属性命名的字段
3. `Time`的数据类型只能是 `STRING` 或者 `LONG `。
4. 除`Time` 以外的列必须以 `root.` 开头。
5. 支持的数据类型有： `INT`，`LONG`， `FLOAT`， `DOUBLE`， `BOOLEAN`， `TEXT`。
@@ -82,7 +83,6 @@ Apache NiFi 包含以下功能：
```json
{
- "timeType": "LONG",
"fields": [{
"tsName": "s1",
"dataType": "INT32",