Opens the given relation file.
Parameters
- name
Can be either a file name or a relative or absolute path name. This
will be mapped in any case to an absolute relation file path on a
specific host machine and server.
Return Values
On success a relation file resource (cursor) is returned which must
be used in any subsequent commands referencing the relation.
Failure leads to a zero return value, the actual error code may
be asked for by calling dbplus_errno().
Notes
Warning: This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.