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new 624b975 [IOTDB-1243]update DML delete grammar doc (#3507)
624b975 is described below
commit 624b975b484ce37baec561296749039fddebe0b5
Author: Hang Ji <[email protected]>
AuthorDate: Mon Jul 5 14:18:38 2021 +0800
[IOTDB-1243]update DML delete grammar doc (#3507)
---
docs/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md | 5 ++---
.../UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md | 4 ++--
2 files changed, 4 insertions(+), 5 deletions(-)
diff --git
a/docs/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md
b/docs/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md
index c9aa8ff..1d3c376 100644
--- a/docs/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md
+++ b/docs/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md
@@ -1562,11 +1562,10 @@ or
```
delete from root.ln.wf02.wt02.* where time <= 2017-11-01T16:26:00;
```
-It should be noted that when the deleted path does not exist, IoTDB will give
the corresponding error prompt as shown below:
-
+It should be noted that when the deleted path does not exist, IoTDB will not
prompt that the path does not exist, but that the execution is successful,
because SQL is a declarative programming method. Unless it is a syntax error,
insufficient permissions and so on, it is not considered an error, as shown
below:
```
IoTDB> delete from root.ln.wf03.wt02.status where time < now()
-Msg: TimeSeries does not exist and its data cannot be deleted
+Msg: The statement is executed successfully.
```
### Delete Time Partition (experimental)
diff --git
a/docs/zh/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md
b/docs/zh/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md
index e24d511..48447d9 100644
--- a/docs/zh/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md
+++ b/docs/zh/UserGuide/IoTDB-SQL-Language/DML-Data-Manipulation-Language.md
@@ -1551,11 +1551,11 @@ delete from root.ln.wf02.wt02 where time <=
2017-11-01T16:26:00;
delete from root.ln.wf02.wt02.* where time <= 2017-11-01T16:26:00;
```
-需要注意的是，当删除的路径不存在时，IoTDB会提示路径不存在，无法删除数据，如下所示。
+需要注意的是，当删除的路径不存在时，IoTDB不会提示路径不存在，而是显示执行成功，因为SQL是一种声明式的编程方式，除非是语法错误、权限不足等，否则都不认为是错误，如下所示。
```
IoTDB> delete from root.ln.wf03.wt02.status where time < now()
-Msg: TimeSeries does not exist and its data cannot be deleted
+Msg: The statement is executed successfully.
```
### 删除时间分区 (实验性功能)
