minor refactoring

Signed-off-by: neo <1100909+neowu@users.noreply.github.com>

Author: neowu

TODO.md

@@ -19,6 +19,8 @@
 
 * migrate to opensearch ? or update ES to 9.x
 
+* support hsql postgres dialect, to test postgres specific sql?
+
 ### obsoleted
 
 * template, use ByteBuffer[] for performance? (server side template not useful anymore)

core-ng-test/src/test/java/core/framework/test/package-info.java

@@ -0,0 +1,4 @@
+@NullMarked
+package core.framework.test;
+
+import org.jspecify.annotations.NullMarked;

core-ng/src/main/java/core/framework/internal/db/DatabaseImpl.java

@@ -42,6 +42,8 @@ public final class DatabaseImpl implements Database {
     }
 
     public final Pool<Connection> pool;
+    public final TransactionManager transactionManager;
+
     final DatabaseOperation operation;
     private final Logger logger = LoggerFactory.getLogger(DatabaseImpl.class);
     private final Map<Class<?>, RowMapper<?>> rowMappers = new HashMap<>(32);
@@ -50,7 +52,6 @@ public final class DatabaseImpl implements Database {
     public @Nullable String password;
     public @Nullable CloudAuthProvider authProvider;
     public @Nullable IsolationLevel isolationLevel;
-    public TransactionManager transactionManager;
 
     private @Nullable String url;
     private @Nullable Properties driverProperties;

core-ng/src/main/java/core/framework/internal/db/DatabaseOperation.java

@@ -34,8 +34,8 @@
  */
 public class DatabaseOperation {
     final EnumDBMapper enumMapper = new EnumDBMapper();
-    private final TransactionManager transactionManager;
     private final Logger logger = LoggerFactory.getLogger(DatabaseOperation.class);
+    private final TransactionManager transactionManager;
     Dialect dialect;
     int queryTimeoutInSeconds;