Function vldb_sqlite_database_delete_fts_document 

#[unsafe(no_mangle)]
pub extern "C" fn vldb_sqlite_database_delete_fts_document(
    handle: *mut VldbSqliteDatabaseHandle,
    index_name: *const c_char,
    id: *const c_char,
    out_result: *mut VldbSqliteFtsMutationResultPod,
) -> i32

通过数据库句柄删除 FTS 文档。 Delete an FTS document through a database handle.