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[BAEL-7421] - Creating Postgres Schema with Liquibase

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This commit is contained in:
ovidiu-mihai98 2024-03-03 20:25:07 +02:00
parent 4f0a8ce5d9
commit 028a0dbe9f
7 changed files with 150 additions and 6 deletions
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54
persistence-modules/liquibase/pom.xml
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@ -4,13 +4,9 @@
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>liquibase</artifactId>
<name>liquibase</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>persistence-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<name>liquibase</name>
<version>0.0.1-SNAPSHOT</version>
<dependencies>
<dependency>
@ -18,6 +14,38 @@
<artifactId>mysql-connector-j</artifactId>
<version>${mysql-connector-java.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>3.2.3</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
<version>3.2.3</version>
</dependency>
<dependency>
<groupId>org.liquibase</groupId>
<artifactId>liquibase-core</artifactId>
<version>4.24.0</version>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>42.6.1</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>net.lbruun.springboot</groupId>
<artifactId>preliquibase-spring-boot-starter</artifactId>
<version>1.5.0</version>
</dependency>
</dependencies>
<build>
@ -32,12 +60,26 @@
<changeLogFile>liquibase/db-changelog.xml</changeLogFile>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<release>${maven.compiler.release}</release>
<compilerArgs>--enable-preview</compilerArgs>
<source>${maven.compiler.source.version}</source>
<target>${maven.compiler.target.version}</target>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<mysql-connector-java.version>8.2.0</mysql-connector-java.version>
<liquibase-maven-plugin.version>4.25.0</liquibase-maven-plugin.version>
<maven.compiler.source.version>17</maven.compiler.source.version>
<maven.compiler.target.version>17</maven.compiler.target.version>
<maven.compiler.release>17</maven.compiler.release>
<java.version>17</java.version>
</properties>
</project>

12
persistence-modules/liquibase/src/main/java/com/baeldung/liquibase/LiquibaseCreateSchemaApplication.java Normal file
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@ -0,0 +1,12 @@
package com.baeldung.liquibase;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class LiquibaseCreateSchemaApplication {
public static void main(String[] args) {
SpringApplication.run(LiquibaseCreateSchemaApplication.class, args);
}
}

31
persistence-modules/liquibase/src/main/java/com/baeldung/liquibase/configuration/SchemaInitializer.java Normal file
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@ -0,0 +1,31 @@
package com.baeldung.liquibase.configuration;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.beans.factory.config.BeanPostProcessor;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
public class SchemaInitializer implements BeanPostProcessor {
@Value("${spring.liquibase.default-schema}")
private String schemaName;
@Override
public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
if (bean instanceof DataSource) {
DataSource dataSource = (DataSource) bean;
try {
Connection conn = dataSource.getConnection();
Statement statement = conn.createStatement();
statement.execute(String.format("CREATE SCHEMA IF NOT EXISTS %s", schemaName));
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
return bean;
}
}

30
persistence-modules/liquibase/src/main/java/com/baeldung/liquibase/entity/User.java Normal file
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@ -0,0 +1,30 @@
package com.baeldung.liquibase.entity;
import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
@Entity
@Table(name = "users")
public class User {
@Id
private Long id;
private String name;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}

5
persistence-modules/liquibase/src/main/resources/application.properties Normal file
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@ -0,0 +1,5 @@
#spring.datasource.url=jdbc:postgresql://some-postgresql-host/some-postgresql-database
#spring.datasource.username=your-postgresql-username
#spring.datasource.password=your-postgresql-password
#spring.liquibase.change-log=classpath:liquibase/changelog.xml
#spring.liquibase.default-schema=user_management

23
persistence-modules/liquibase/src/main/resources/liquibase/changelog.xml Normal file
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@ -0,0 +1,23 @@
<?xml version="1.0" encoding="utf-8"?>
<databaseChangeLog
xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.4.xsd">
<!-- <changeSet id="0" author="unknown">-->
<!-- <sql>-->
<!-- CREATE SCHEMA IF NOT EXISTS user_management;-->
<!-- </sql>-->
<!-- </changeSet>-->
<changeSet id="1" author="unknown">
<!-- <createTable tableName="users" schemaName="user_management">-->
<createTable tableName="users">
<column name="id" type="bigint">
<constraints primaryKey="true" nullable="false"/>
</column>
<column name="name" type="varchar(255)">
<constraints nullable="false"/>
</column>
</createTable>
</changeSet>
</databaseChangeLog>

1
persistence-modules/liquibase/src/main/resources/preliquibase/postgresql.sql Normal file
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@ -0,0 +1 @@
CREATE SCHEMA IF NOT EXISTS user_management;