hbase查询数据怎样分页

?HBase?,????Scan???????????????????,???????Java API??????:

import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.*;
import org.apache.hadoop.hbase.util.Bytes;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class HBasePaginationQuery {
    public static void main(String[] args) throws IOException {
        // ??HBase??
        Configuration conf = HBaseConfiguration.create();

        // ????
        Connection connection = ConnectionFactory.createConnection(conf);
        Admin admin = connection.getAdmin();

        // ???
        TableName tableName = TableName.valueOf("your_table_name");
        Table table = connection.getTable(tableName);

        // ??????
        Scan scan = new Scan();
        scan.setBatch(100); // ???????

        // ????
        int totalRows = 0;
        List results = new ArrayList<>();
        do {
            // ????
            ResultScanner scanner = table.getScanner(scan);
            try {
                for (Result result : scanner) {
                    results.add(result);
                    totalRows++;
                }
            } finally {
                scanner.close();
            }

            // ??????
            scan.setStartRow(Bytes.toBytes(String.format("d", totalRows)));
        } while (results.size() == 100);

        // ????
        table.close();
        admin.close();
        connection.close();

        // ????
        for (Result result : results) {
            System.out.println(result);
        }
    }
}

??????,?????????Scan??,???????????(batch)???,????do-while??????,????????????????,??????????????????????,????????????????

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