SAVE_FILE()

Function description

The SAVE_FILE() function is used to write content to the file pointed to by datalink, and the reference line returns the byte length of the written content.

Function syntax

>SAVE_FILE(datalink_type_data,content);

Parameter explanation

Parameters	Description
datalink_type_data	datalink type data can be converted using the cast() function
content	Need to write the content of the file pointed to by datalink

Example

drop stage if exists tab1;
create stage stage01 url='file:///Users/admin/case/';
mysql> select save_file(cast('stage://stage01/test.csv' as datalink), 'this is a test message');
+-------------------------------------------------------------------------------+
| save_file(cast(stage://stage01/test.csv as datalink), this is a test message) |
+-------------------------------------------------------------------------------+
|                                                                            22 |
+-------------------------------------------------------------------------------+
1 row in set (0.00 sec)

mysql> select save_file(cast('file:///Users/admin/case/test1.csv' as datalink), 'this is another test message');
+-----------------------------------------------------------------------------------------------+
| save_file(cast(file:///Users/admin/case/test1.csv as datalink), this is another test message) |
+-----------------------------------------------------------------------------------------------+
|                                                                                            28 |
+-----------------------------------------------------------------------------------------------+
1 row in set (0.01 sec)

(base) admin@192 case % cat test.csv
this is a test message

(base) admin@192 case % cat test1.csv
this is another test message