CodecFactoryExposer codecFactoryExposer = new CodecFactoryExposer(conf);
FileSystem fs = FileSystem.get(conf);
Path filePath = new Path(entry.getPath());
BlockMetaData blockMetaData = footer.getBlocks().get(entry.getRowGroupIndex());
recordCount = (int) blockMetaData.getRowCount();
pageReadStore = new ColumnChunkIncReadStore(recordCount,
codecFactoryExposer.getCodecFactory(), operatorContext.getAllocator(), fs, filePath);
for (String[] path : schema.getPaths()) {