Merge pull request #286 from sixwaaaay/pgj

feat: pg support

Author: sixwaaaay

.github/workflows/comment.yaml

@@ -49,11 +49,10 @@ jobs:
           mvn -q test
         env:
           DB_HOST: localhost
-          DB_PORT: 3306
-          DB_NAME: db
-          DB_USER: v1
-          DB_PASSWORD: ABCDEF
-          DB_OPTIONS: serverTimezone=Asia/Shanghai
+          DB_PORT: 5432
+          DB_NAME: postgres
+          DB_USER: postgres
+          DB_PASSWORD: postgres
           TRACING_PROBABILITY: 0.1
           OTLP_ENDPOINT: http://localhost:4318/v1/traces
           VOTE_SERVICE_BASE_URL: http://localhost:5000

graal/compose.yaml

@@ -18,33 +18,31 @@ services:
     ports:
       - '18080:8080'
     environment:
-      - 'DB_HOST=mysql'
-      - 'DB_PORT=3306'
-      - 'DB_NAME=db'
-      - 'DB_USER=v1'
-      - 'DB_PASSWORD=ABCDEF'
-      - 'DB_OPTIONS=serverTimezone=Asia/Shanghai'
+      - 'DB_HOST=postgres'
+      - 'DB_PORT=5432'
+      - 'DB_NAME=postgres'
+      - 'DB_USER=postgres'
+      - 'DB_PASSWORD=postgres'
       - 'TRACING_PROBABILITY=0.1'
       - 'OTLP_ENDPOINT=http://jaeger:4318/v1/traces'
       - 'VOTE_SERVICE_BASE_URL=http://graph:8081'
       - 'USER_SERVICE_BASE_URL=http://shauser:5000'
     restart: 'always'
     depends_on:
-      mysql:
+      postgres:
         condition: service_healthy
-  mysql:
-    image: 'mysql:8.2.0'
+  postgres:
+    image: 'postgres:17.0-bookworm'
     environment:
-      - 'MYSQL_DATABASE=db'
-      - 'MYSQL_PASSWORD=ABCDEF'
-      - 'MYSQL_USER=v1'
-      - 'MYSQL_ROOT_PASSWORD=verysecret'
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: postgres
     volumes:
       - ./init.sql:/docker-entrypoint-initdb.d/init.sql
     ports:
-      - '3306:3306'
+      - '5432:5432'
     healthcheck:
-      test: [ "CMD", "mysqladmin" ,"ping", "-h", "localhost" ]
+      test: [ "CMD", "pg_isready", "-U", "postgres" ]
       timeout: 20s
       retries: 10
   redis:

graal/init.sql

@@ -11,28 +11,20 @@
  * limitations under the License.
  */
 
-create table counts
+CREATE TABLE comments
 (
-    `id`            bigint NOT NULL PRIMARY KEY,
-    `comment_count` int    NOT NULL DEFAULT 0
-) engine = innodb;
+    id          bigserial    NOT NULL PRIMARY KEY,
+    user_id     bigint       NOT NULL,
+    content     varchar(255) NOT NULL,
+    reply_to    bigint,
+    belong_to   bigint       NOT NULL,
+    created_at  timestamp    NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    reply_count int          NOT NULL DEFAULT '0',
+    like_count  int          NOT NULL DEFAULT '0',
+    refer_to    bigint
+);
+CREATE INDEX finder ON comments (belong_to, reply_to, id);
 
-CREATE TABLE `comments`
-(
-    `id`          bigint       NOT NULL AUTO_INCREMENT,
-    `user_id`     bigint       NOT NULL,
-    `content`     varchar(255) NOT NULL,
-    `reply_to`    bigint,
-    `belong_to`   bigint       NOT NULL,
-    `created_at`  datetime     NOT NULL DEFAULT (CURRENT_TIMESTAMP(3)),
-    `reply_count` int          NOT NULL DEFAULT '0',
-    `like_count`  int          NOT NULL DEFAULT '0',
-    `refer_to`    bigint,
-    PRIMARY KEY (`id`),
-    INDEX `finder` (`belong_to`, `reply_to`, `id`)
-) ENGINE = InnoDB
-  DEFAULT CHARSET = utf8mb4
-  COLLATE = utf8mb4_0900_bin;
 
 
 INSERT INTO comments (user_id, content, reply_to, belong_to, created_at, reply_count, like_count)
@@ -200,9 +192,4 @@ VALUES (2, 'hello world', null, 1, '2023-11-27 06:44:55', 0, 0);
 INSERT INTO comments (user_id, content, reply_to, belong_to, created_at, reply_count, like_count)
 VALUES (2, 'hello world', null, 1, '2023-11-27 07:40:10', 0, 0);
 INSERT INTO comments (user_id, content, reply_to, belong_to, created_at, reply_count, like_count)
-VALUES (2, 'hello world', null, 1, '2023-11-27 07:40:48', 0, 0);
-
-INSERT INTO counts (id, comment_count)
-SELECT belong_to, COUNT(*)
-FROM comments
-GROUP BY belong_to;
+VALUES (2, 'hello world', null, 1, '2023-11-27 07:40:48', 0, 0);

graal/pom.xml

@@ -79,8 +79,8 @@
             <artifactId>opentelemetry-exporter-otlp</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.mysql</groupId>
-            <artifactId>mysql-connector-j</artifactId>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
             <scope>runtime</scope>
         </dependency>
         <dependency>

graal/src/main/java/io/sixwaaaay/sharingcomment/config/DataSourceConfig.java

@@ -25,7 +25,7 @@
 import org.springframework.data.jdbc.core.convert.*;
 import org.springframework.data.jdbc.core.mapping.JdbcMappingContext;
 import org.springframework.data.relational.core.dialect.Dialect;
-import org.springframework.data.relational.core.dialect.MySqlDialect;
+import org.springframework.data.relational.core.dialect.PostgresDialect;
 import org.springframework.data.relational.core.mapping.DefaultNamingStrategy;
 import org.springframework.data.relational.core.mapping.NamingStrategy;
 import org.springframework.jdbc.core.namedparam.NamedParameterJdbcOperations;
@@ -45,7 +45,6 @@
  * The routing between the data sources is done using a custom RoutingDataSource.
  * The JDBC operations are set up using the NamedParameterJdbcTemplate class from Spring JDBC.
  * The transaction manager is set up using the DataSourceTransactionManager class from Spring JDBC.
- * The dialect is MySQL.
  */
 @Configuration
 public class DataSourceConfig {
@@ -113,10 +112,10 @@ TransactionManager transactionManager(DataSource dataSource) {
         return new DataSourceTransactionManager(dataSource);
     }
 
-    // sql dialect, which is MySQL
+    // sql dialect
     @Bean
     Dialect jdbcDialect() {
-        return MySqlDialect.INSTANCE;
+        return PostgresDialect.INSTANCE;
     }
 
     // custom conversions

graal/src/main/resources/application.yaml

@@ -11,15 +11,15 @@ spring:
     virtual:
       enabled: true
   datasource:
-    username: ${DB_USER:v1}
-    password: ${DB_PASSWORD:ABCDEF}
-    url: jdbc:mysql://${DB_HOST:db}:${DB_PORT:3306}/${DB_NAME:comments}?${DB_OPTIONS:serverTimezone=UTC}
-    driver-class-name: com.mysql.cj.jdbc.Driver
+    username: ${DB_USER:postgres}
+    password: ${DB_PASSWORD:postgres}
+    url: jdbc:postgresql://${DB_HOST:db}:${DB_PORT:5432}/${DB_NAME:postgres}
+    driver-class-name: org.postgresql.Driver
   replica-datasource:
-    username: ${DB_USER:v1}
-    password: ${DB_PASSWORD:ABCDEF}
-    url: jdbc:mysql://${DB_HOST:db}:${DB_PORT:3306}/${DB_NAME:comments}?${DB_OPTIONS:serverTimezone=UTC}
-    driver-class-name: com.mysql.cj.jdbc.Driver
+    username: ${DB_USER:postgres}
+    password: ${DB_PASSWORD:postgres}
+    url: jdbc:postgresql://${DB_HOST:db}:${DB_PORT:5432}/${DB_NAME:postgres}
+    driver-class-name: org.postgresql.Driver
   data:
     redis:
       database: 0