我相信我从基于 Java 的查询中看到了不同的结果,并且我相信在查询控制台中看到的是等效的 cts:search。这里有很多信息,我试图适当地组织它。以下是设置一个简单示例的步骤,该示例复制了我所看到的内容。
- 使用默认设置创建新数据库
- 使用默认设置添加新林
- 启用三个字符搜索(仅限非默认数据库设置)
- 将下面三个json文件插入数据库
查询控制台返回 doc2。Java 客户端返回 doc2 AND doc1。为什么?我希望每个人都能得到相同的结果。我想用 Java 获取查询控制台返回的结果。我是否错误地用 Java 编写了查询定义?
看起来 Java 客户端通配符搜索正在搜索整个文档,即使我已经指定我只想在给定的 json-property(名称)内进行通配符搜索。
给定客户端 RawCombinedQueryDefinition,有没有办法查看或记录生成的服务器端“cts 查询”?我想看看 Java 请求在服务器端被翻译成什么。
doc1.json
{
"state": "OH",
"city": "Dayton",
"notes": "not Cincinnati"
}
doc2.json
{
"state": "OH",
"city": "Cincinnati",
"notes": "real city"
}
doc3.json
{
"state": "OH",
"city": "Daytona",
"notes": "this is a made up city"
}
查询用于插入文档的控制台代码
xquery version "1.0-ml";
xdmp:document-load("/some/path/doc1.json",
<options xmlns="xdmp:document-load">
<uri>/doc1.json</uri>
</options>
);
用于搜索的查询控制台代码
xquery version "1.0-ml";
cts:search(fn:collection(),
cts:and-query((
cts:json-property-value-query("state", "OH"),
cts:json-property-value-query("city", "*Cincinnati*")
))
)
易于阅读的文本中的 Java QueryManager 查询
{
"search": {
"query": {
"queries": [
{
"value-query": {
"type": "string",
"json-property": "state",
"text": "OH"
}
},
{
"value-query": {
"type": "string",
"json-property": "city",
"text": "*Cincinnati*"
}
}
]
}
}
}
Java 代码
import com.marklogic.client.DatabaseClient;
import com.marklogic.client.DatabaseClientFactory;
import com.marklogic.client.document.DocumentPage;
import com.marklogic.client.document.DocumentRecord;
import com.marklogic.client.document.JSONDocumentManager;
import com.marklogic.client.io.Format;
import com.marklogic.client.io.StringHandle;
import com.marklogic.client.query.QueryManager;
import com.marklogic.client.query.RawCombinedQueryDefinition;
import org.junit.Test;
public class MarkLogicTest
{
@Test
public void testWildcardSearch()
{
DatabaseClientFactory.SecurityContext securityContext = new DatabaseClientFactory.DigestAuthContext("admin", "admin");
DatabaseClient client = DatabaseClientFactory.newClient("localhost", 8000, "test", securityContext);
QueryManager queryManager = client.newQueryManager();
JSONDocumentManager documentManager = client.newJSONDocumentManager();
String query = "{\n" +
" \"search\": {\n" +
" \"query\": {\n" +
" \"queries\": [\n" +
" {\n" +
" \"value-query\": {\n" +
" \"type\": \"string\",\n" +
" \"json-property\": \"state\",\n" +
" \"text\": \"OH\"\n" +
" }\n" +
" },\n" +
" {\n" +
" \"value-query\": {\n" +
" \"type\": \"string\",\n" +
" \"json-property\": \"city\",\n" +
" \"text\": \"*Cincinnati*\"\n" +
" }\n" +
" }\n" +
" ]\n" +
" }\n" +
" }\n" +
"}";
StringHandle queryHandle = new StringHandle(query).withFormat(Format.JSON);
RawCombinedQueryDefinition queryDef = queryManager.newRawCombinedQueryDefinition(queryHandle);
DocumentPage documents = documentManager.search(queryDef, 1);
while (documents.hasNext())
{
DocumentRecord document = documents.next();
StringHandle resultHandle = document.getContent(new StringHandle());
String result = resultHandle.get();
System.out.println(result);
}
}
}
System.out.println() 结果
{"state":"OH", "city":"Dayton", "notes":"not Cincinnati"}
{"state":"OH", "city":"Cincinnati", "notes":"real city"}
为什么 Java 客户端返回 city = Dayton 的第一个结果?
提前致谢!