TRY_TO_FILE¶
A version of TO_FILE that returns NULL instead of raising an error.
Syntax¶
Use one of the following:
TRY_TO_FILE( <stage_name>, <relative_path> ) TRY_TO_FILE( <file_url> ) TRY_TO_FILE( <metadata> )
Arguments¶
stage_name
The name of the stage where the file is located, as a string, in the form
'@stage_name'
.relative_path
The path to the file on the stage specified by
stage_name
as a string.file_url
A valid stage or scoped file URL as a string.
metadata
An OBJECT containing all the required FILE metadata. A FILE must have CONTENT_TYPE, SIZE, ETAG, and LAST_MODIFIED fields, plus the file’s location (that is, STAGE plus RELATIVE_PATH, STAGE_FILE_URL, or SCOPED_FILE_URL).
Returns¶
A FILE, or NULL.
Usage notes¶
Returns NULL when:
The supplied URL is not validL.
The file is on a stage that the user has no permissions to access.
The supplied metadata doesn’t contain the required FILE fields.
Examples¶
See TO_FILE.