docs: public long getRowCount(final String pTileSourceName, final int pZoom,
                              final Collection<Rect> pInclude, final Collection<Rect> pExclude) {
          return getRowCount(
                  getWhereClause(pZoom, pInclude, pExclude)
                          + (pTileSourceName != null ? " and " + COLUMN_PROVIDER + "=?" : "")
                  , pTileSourceName != null ? new String[] {pTileSourceName} : null);
      }