presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/systemtables/TableStatsSystemTable.java/TableStatsSystemTable/buildPages
class TableStatsSystemTable:    private static List<Page> buildPages(MetadataDao dao, TupleDomain<Integer> tupleDomain)
    {
        Map<Integer, NullableValue> domainValues = extractFixedValues(tupleDomain).orElse(ImmutableMap.of());
        String schemaName = getStringValue(domainValues.get(getColumnIndex(METADATA, SCHEMA_NAME)));
        String tableName = getStringValue(domainValues.get(getColumnIndex(METADATA, TABLE_NAME)));

        PageListBuilder pageBuilder = new PageListBuilder(METADATA.getColumns().stream()
                .map(ColumnMetadata::getType)
                .collect(toList()));

        for (TableStatsRow row : dao.getTableStatsRows(schemaName, tableName)) {
            pageBuilder.beginRow();
            VARCHAR.writeSlice(pageBuilder.nextBlockBuilder(), utf8Slice(row.getSchemaName()));
            VARCHAR.writeSlice(pageBuilder.nextBlockBuilder(), utf8Slice(row.getTableName()));
            TIMESTAMP.writeLong(pageBuilder.nextBlockBuilder(), row.getCreateTime());
            TIMESTAMP.writeLong(pageBuilder.nextBlockBuilder(), row.getUpdateTime());
            BIGINT.writeLong(pageBuilder.nextBlockBuilder(), row.getTableVersion());
            BIGINT.writeLong(pageBuilder.nextBlockBuilder(), row.getShardCount());
            BIGINT.writeLong(pageBuilder.nextBlockBuilder(), row.getRowCount());
            BIGINT.writeLong(pageBuilder.nextBlockBuilder(), row.getCompressedSize());
            BIGINT.writeLong(pageBuilder.nextBlockBuilder(), row.getUncompressedSize());
        }

        return pageBuilder.build();
    }