docs: limit total rows copied in COPY TABLE FROM with LIMIT segment

GreptimeTeam · May 10, 2024 · 8f58f73 · 8f58f73
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diff --git a/docs/nightly/en/reference/sql/copy.md b/docs/nightly/en/reference/sql/copy.md
@@ -44,6 +44,7 @@ FROM { '<path>/[<filename>]' }
    [ PATTERN = '<regex_pattern>' ]
  )
 ]
+[LIMIT NUM]
 ```
 
 The command starts with the keyword `COPY`, followed by the name of the table you want to import data into.
@@ -119,6 +120,10 @@ You can set the following **CONNECTION** options:
 | `ENABLE_VIRTUAL_HOST_STYLE` | If you use virtual hosting to address the bucket, set it to "true".| Optional |
 | `SESSION_TOKEN` | Your temporary credential for connecting the AWS S3 service. | Optional |
 
+#### LIMIT
+
+You can use `LIMIT` to restrict maximum number of rows inserted at once.
+
 ## COPY DATABASE
 
 Beside copying specific table to/from some path, `COPY` statement can also be used to copy whole database to/from some path. The syntax for copying databases is:

diff --git a/docs/nightly/zh/reference/sql/copy.md b/docs/nightly/zh/reference/sql/copy.md
@@ -39,6 +39,7 @@ FROM { '<path>/[<filename>]' }
    [ PATTERN = '<regex_pattern>' ]
  )
 ]
+[LIMIT NUM]
 ```
 
 命令以 `COPY` 关键字开始，后面跟着要导入数据的表名。
@@ -69,6 +70,10 @@ COPY tbl FROM '/path/to/folder/xxx.parquet' WITH (FORMAT = 'parquet');
 
 `COPY FROM` 同样支持从云存储上导入数据，比如 S3。详情请参考 [连接 S3](#连接-s3)。
 
+#### LIMIT 选项
+
+可以通过 `LIMIT` 手动限制一次插入的最大行数。
+
 ### 连接 S3
 
 你可以从 S3 导入/导出数据