springboot整合elasticsearch8组合条件查询

springBoot整合sftp1.引入依赖，pom文件添加依赖。<dependency><groupId>com.jcraft</groupId><artifactId>jsch</artifactId><version>0.1.55</version></dependency>2.在applicat

springboot整合freemaker实现复杂动态word生成1.引入maven依赖<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-freemarker</artifactId></dependency&

elasticsearch指定jdk1.修改/elasticsearch-7.8.0/bin目录下elasticsearch配置文件，添加如下配置#配置自己的jdk11export JAVA_HOME=/opt/elasticsearch-7.8.0/jdkexport PATH=$JAVA_HOME/bin:$PATH#添加jdk判断if [ -x "$JAVA_HOME/bin/java" ]

springboot整合elasticsearch8

clickhouse部分查询语句1.查询数据库所有表。select tablefrom system.parts where database = 'economic_brain' group by table2.查询数据库表所有字段select distinct column from system.parts_columns where database='economic_brain' an