从Couchbase获取每个文档类型的示例

import com.couchbase.client.java.Cluster;
import com.couchbase.client.java.Collection;
import com.couchbase.client.java.json.JsonObject;
import com.couchbase.client.java.kv.GetResult;
import com.couchbase.client.java.query.QueryResult;

public class CouchbaseExample {
    public static void main(String[] args) {
        // 连接到Couchbase集群
        Cluster cluster = Cluster.connect("couchbase://localhost", "username", "password");
        Collection collection = cluster.bucket("bucket-name").defaultCollection();

        // 执行查询以获取每个文档类型的示例
        QueryResult result = cluster.query("SELECT DISTINCT type FROM `bucket-name`");

        // 遍历查询结果并获取每个文档类型的示例
        for (JsonObject row : result.rowsAsObject()) {
            String type = row.getString("type");
            GetResult document = collection.get(type);

            // 处理获取到的文档
            System.out.println("Document type: " + type);
            System.out.println("Document content: " + document.contentAsObject());
        }

        // 关闭连接
        cluster.disconnect();
    }
}