How do I use ST_DeleteGTF to delete all trajectory files from a folder-PolarDB(PolarDB)-阿里云帮助中心

Deletes all externally stored trajectory files from a folder.

Syntax

void ST_DeleteGTF(text directory);

Parameter	Description
directory	The external storage string. Currently, only OSS folders are supported. The format is as follows: `'OSS://<access key>:<access secret>@<endpoint>/<bucket>/<directory>'`. The trajectory files are stored in the .gtf file under the corresponding folder.

You need to delete trajectory files.

SELECT ST_deleteGtf('OSS_PATH');