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请问sql可以检索copy_to字段吗。

1

可以在返回列表中返回copy_to字段吗，

关键词位置必须出现在内容前200个字中

1

类似这种搜索怎么限制呢

请问一下关于copy_to的高亮检索

3

GET /test_copy/_search { "query": { "match": { "@all": "hello" } }, "highlight": { "pre_tags": [ "" ], "post_tags": [ "" ], "require_field_match": "false", "fields": { "*": {} } } }...

请问多索引检索怎么描述sql

1

有一个需求是要在多个索引中做检索，结果进行分页。这个sql应该怎么做呢？

全文检索丢失打分，没有按照相关度排序。

2

使用这个语句查询的，SELECT * FROM book where q=query('intro:全面')，问题如标题。

JDK版本报错 在jdbc实现中

2

# 1、我的配置文件pom如下： UTF-8 UTF-8 2.3.7.RELEASE 8.8.0 1.8 1.8 co.elastic.clients elasticsearch-java 8.8.0 org.elasticsearch.client elasticsearch-rest-client 8.8.0 org.elasticsearch elasticsearch 8.8.0 provided org.elasticsearch elasticsearch-preallocate com.fasterxml.jackson.core jackson-databind 2.14.1 provided com.unboundid unboundid-ldapsdk 6.0.7 provided com.wenge elasticsearch-sql...

The quietlySleep (30) in the PoolElementCreator class is not a good design

1

When I read the source code, I executed connectionBag. add (poolEntry) in the call method of PoolEntry Creator; Afterwards, it will sleep the current thread for 30 seconds and quietsleep...