Only change the column of the table exists

The CI build fails on the alter table SPRING_SESSION_ATTRIBUTES
as it does not exists prior to initialising spring session

.github/workflows/actions.yml

@@ -40,14 +40,14 @@ jobs:
           mysql-version: '8.3'
       - run: |
           mysql -uroot -h127.0.0.1 -e \
-          "CREATE DATABASE access CHARACTER SET utf8mb4 \
+          "CREATE DATABASE invite CHARACTER SET utf8mb4 \
           COLLATE utf8mb4_0900_ai_ci;"
       - run: |
           mysql -uroot -h127.0.0.1 -e \
-          "CREATE USER 'access'@'localhost' IDENTIFIED BY 'secret';";
+          "CREATE USER 'invite'@'localhost' IDENTIFIED BY 'secret';";
       - run: |
           mysql -uroot -h127.0.0.1 -e \
-          "GRANT ALL privileges ON access.* TO 'access'@'localhost';"
+          "GRANT ALL privileges ON invite.* TO 'invite'@'localhost';"
       - name: Build with Maven
         run: mvn clean install --file pom.xml
       - name: Codecov

.github/workflows/doc.yml

@@ -56,12 +56,12 @@ jobs:
       - name: Prepare database
         run: |
           mysql -uroot -h127.0.0.1 -e \
-          "CREATE DATABASE access CHARACTER SET utf8mb4 \
+          "CREATE DATABASE invite CHARACTER SET utf8mb4 \
           COLLATE utf8mb4_0900_ai_ci;"
           mysql -uroot -h127.0.0.1 -e \
-          "CREATE USER 'access'@'localhost' IDENTIFIED BY 'secret';";
+          "CREATE USER 'invite'@'localhost' IDENTIFIED BY 'secret';";
           mysql -uroot -h127.0.0.1 -e \
-          "GRANT ALL privileges ON access.* TO 'access'@'localhost';"
+          "GRANT ALL privileges ON invite.* TO 'invite'@'localhost';"
         if: ${{ steps.changes.outputs.server == 'true' ||  github.event_name == 'workflow_dispatch' }}
 
       - name: Generate openapi.json

server/src/main/java/db/mysql/migration/V31_0__session_attributes_medium_blob.java

@@ -0,0 +1,23 @@
+package db.mysql.migration;
+
+import org.flywaydb.core.api.migration.BaseJavaMigration;
+import org.flywaydb.core.api.migration.Context;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.datasource.SingleConnectionDataSource;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+//Only change the column of the table exists, otherwise the CI build fails
+public class V31_0__session_attributes_medium_blob extends BaseJavaMigration {
+
+    public void migrate(Context context) {
+        JdbcTemplate jdbcTemplate =
+                new JdbcTemplate(new SingleConnectionDataSource(context.getConnection(), true));
+        jdbcTemplate.query("SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES " +
+                "WHERE TABLE_SCHEMA = 'invite' " +
+                "AND TABLE_NAME = 'SPRING_SESSION_ATTRIBUTES'", rs -> {
+            jdbcTemplate.update("ALTER TABLE SPRING_SESSION_ATTRIBUTES " +
+                    "CHANGE COLUMN ATTRIBUTE_BYTES ATTRIBUTE_BYTES MEDIUMBLOB");
+        });
+    }
+}