Method ClearCameras

src/colmap/scene/database_sqlite.cc:1594–1598

  }

  void ClearCameras() override {
    Sqlite3StmtContext context(sql_stmt_clear_cameras_);
    SQLITE3_CALL(sqlite3_step(sql_stmt_clear_cameras_));
    database_entry_deleted_ = true;
  }

  void ClearFrames() override {
    Sqlite3StmtContext context(sql_stmt_clear_frames_);