private static void setRowKeyOffset(Filter filter, int offset) { if (filter instanceof BooleanExpressionFilter) { BooleanExpressionFilter boolFilter = (BooleanExpressionFilter) filter; IndexUtil.setRowKeyExpressionOffset(boolFilter.getExpression(), offset); } else if (filter instanceof SkipScanFilter) { SkipScanFilter skipScanFilter = (SkipScanFilter) filter; skipScanFilter.setOffset(offset); } }