// TODO make estimatedByteSize more accurate by counting the joined columns.
int estimatedKeySize = table.getRowKeySchema().getEstimatedValueLength();
int estimatedByteSize = 0;
for (Map.Entry<byte[],NavigableSet<byte[]>> entry : scan.getFamilyMap().entrySet()) {
PColumnFamily family = table.getColumnFamily(entry.getKey());
if (entry.getValue() == null) {
for (PColumn column : family.getColumns()) {
Integer maxLength = column.getMaxLength();
int byteSize = column.getDataType().isFixedWidth() ? maxLength == null ? column.getDataType().getByteSize() : maxLength : RowKeySchema.ESTIMATED_VARIABLE_LENGTH_SIZE;
estimatedByteSize += SizedUtil.KEY_VALUE_SIZE + estimatedKeySize + byteSize;
}
} else {
for (byte[] cq : entry.getValue()) {
PColumn column = family.getColumn(cq);
Integer maxLength = column.getMaxLength();
int byteSize = column.getDataType().isFixedWidth() ? maxLength == null ? column.getDataType().getByteSize() : maxLength : RowKeySchema.ESTIMATED_VARIABLE_LENGTH_SIZE;
estimatedByteSize += SizedUtil.KEY_VALUE_SIZE + estimatedKeySize + byteSize;
}
}