这里的字段名name不能用``选取 2.4、json字段处理语法不同 -- mysql语法: WHERE keywords_json->'$.name' LIKE CONCAT('%', ?, '%') -- postgreSQL语法: WHERE keywords_json ->>'name' LIKE CONCAT('%', ?, '%') 获取json字段子属性的值mysql是用 -> '$.xxx'的语法去选取的, 而 postgreSQL ...
driver-class-name: com.mysql.jdbc.Driver url: jdbc:mysql://localhost:3306/vueblog?characterEncoding=UTF-8&serverTimezone=UTC username: root password: root 1. 2. 3. 4. 5. 6. #配置数据源 spring: datasource: #配置druid连接池驱动 type: com.alibaba.druid.pool.DruidDataSource driver-class-n...
<property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="username" value="账号" /> <property name="password" value="密码" /> <!-- 初始化连接大小 --> <property name="initialSize" value="0" /> <!-- 连接池最大使用连接数量 --> <property name="maxActive" va...
driver-class-name: org.postgresql.Driver hikari: maximum-pool-size: 200 minimum-idle: 20 max-lifetime: 20000 connection-test-query: select 1 leak-detection-threshold: 30000 allow-pool-suspension: true 其中 stringtype=unspecified 必须, 否则在insert和update jsonb类型字段时, 会报类型不匹配 leak-de...
@ConfigurationpublicclassDruidConfig{@Value("${spring.datasource.druid.url}")privateString dbUrl;@Value("${spring.datasource.druid.username}")privateString username;@Value("${spring.datasource.druid.password}")privateString password;@Value("${spring.datasource.druid.driverClassName}")privateString dr...
spring.datasource.url=jdbc:postgresql://localhost:5432/testspring.datasource.username=postgresspring.datasource.password=123456spring.datasource.driver-class-name=org.postgresql.Driverspring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialectspring.jpa.properties.hibernate.hbm2ddl.auto=creat...
publicclassPostgresqlConnect{staticString url="jdbc:postgresql://127.0.0.1:5432/test";staticString usr="postgres";staticString psd="123456";publicstaticvoidmain(String args[]){Connection c=null;Statement stmt=null;ResultSet rs=null;try{Class.forName("org.postgresql.Driver");c=DriverManager.getConnect...
### 摘要 本文旨在提供PostgreSQL JDBC驱动的安装与配置指南。PostgreSQL JDBC驱动是用于Java应用程序连接PostgreSQL数据库的关键组件。通过遵循本文的指南,用户将能够成功安装并配置PostgreSQL JDBC驱动,以便在Java环境中顺利使用PostgreSQL数据库。 ### 关键词 PostgreSQL, JDBC驱动, 安装, 配置, pgjdbc ## 一、PostgreSQ...
通过CrudDatasourceProperties读取spring.datasource.driverClassName @ConfigurationProperties(prefix = "spring.datasource")@Componentpublic class CrudDatasourceProperties { private String driverClassName; public String getDriverClassName() { return driverClassName; } public void setDriverClassName(String driverCla...
<propertyname="connection.driver_class">com.aliyun.polardb2.Driver</property><propertyname="connection.url">jdbc:polardb://pc-***.o.polardb.rds.aliyuncs.com:1521/polardb_test</property><propertyname="dialect">org.hibernate.dialect.PostgresPlusDialect</property> ...