For filtering virtual table's "shadow tables" (ex the FTS5 _content and most the spatialite tables), you can use pragma_table_list (first appeared in SQLite 3.37 (2021-11-27), which has a type column that calls out type="shadow" tables https://www.sqlite.org/pragma.html#pragma_table_list
Originally posted by @asg017 in #2104 (comment)