LIB_EXPORT rc_t CC VTableListSeededWritableColumns ( VTable *self,
KNamelist **names, const KNamelist *seed )
{
rc_t rc;
if ( names == NULL )
rc = RC ( rcVDB, rcTable, rcListing, rcParam, rcNull );
else
{
* names = NULL;
if ( self == NULL )
rc = RC ( rcVDB, rcTable, rcListing, rcSelf, rcNull );
else if ( seed == NULL )
rc = RC ( rcVDB, rcTable, rcListing, rcParam, rcNull );
else
{
BSTree cache;
BSTreeInit ( & cache );
rc = 0;
if ( ! self -> read_only )
{
VCursor *curs;
rc = VTableCreateCursorWriteInt ( self, & curs, kcmInsert, false );
if ( rc == 0 )
{
/* let this private VCursor-function list the columns */
rc = VCursorListSeededWritableColumns ( curs, & cache, seed );
VCursorRelease ( curs );
}
}
if ( rc == 0 )
rc = make_column_namelist ( & cache, names );
BSTreeWhack ( & cache, VColumnRefWhack, NULL );
}
}
return rc;
}
rc_t VCursorListWritableColumns ( VCursor *self, BSTree *columns )
{
return VCursorListSeededWritableColumns ( self, columns, NULL );
}
