是的,AWS OpenSearch支持将普通查询与SQL结合使用。下面是一个使用Java AWS SDK的示例代码:
import software.amazon.awssdk.services.opensearch.OpenSearchClient;
import software.amazon.awssdk.services.opensearch.model.*;
public class OpenSearchExample {
public static void main(String[] args) {
String domainName = "your-opensearch-domain-name";
String query = "SELECT * FROM your-index-name WHERE your-field-name = 'your-field-value'";
OpenSearchClient openSearchClient = OpenSearchClient.builder().build();
ExecuteQueryRequest executeQueryRequest = ExecuteQueryRequest.builder()
.domainName(domainName)
.queryString(query)
.build();
ExecuteQueryResponse executeQueryResponse = openSearchClient.executeQuery(executeQueryRequest);
// 处理查询结果
// ...
openSearchClient.close();
}
}
请确保将your-opensearch-domain-name
替换为您的OpenSearch域的名称,将your-index-name
替换为您要查询的索引的名称,将your-field-name
和your-field-value
替换为您要过滤的字段和值。
此代码示例使用AWS Java SDK的OpenSearchClient来执行查询,并使用ExecuteQueryRequest设置查询字符串。然后,您可以处理返回的ExecuteQueryResponse并提取查询结果。
请注意,您需要在构建OpenSearchClient时提供适当的身份验证和区域信息。