diff -r a7e543ab0c5f -r e2aa673dd473 src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java
--- a/src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java	Thu Oct 22 12:00:34 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/dao/postgres/PGProjectDao.java	Thu Oct 22 13:03:26 2020 +0200
@@ -28,6 +28,7 @@
  */
 package de.uapcore.lightpit.dao.postgres;
 
+import de.uapcore.lightpit.dao.Functions;
 import de.uapcore.lightpit.dao.ProjectDao;
 import de.uapcore.lightpit.entities.IssueSummary;
 import de.uapcore.lightpit.entities.Project;
@@ -37,32 +38,26 @@
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.util.ArrayList;
 import java.util.List;
-import java.util.Objects;
 
 import static de.uapcore.lightpit.dao.Functions.setForeignKeyOrNull;
 import static de.uapcore.lightpit.dao.Functions.setStringOrNull;
 
 public final class PGProjectDao implements ProjectDao {
 
-    private final PreparedStatement insert, update, list, find;
+    private final PreparedStatement insert, update, list, find, findByNode;
     private final PreparedStatement issue_summary;
 
     public PGProjectDao(Connection connection) throws SQLException {
-        list = connection.prepareStatement(
-                "select projectid, name, description, repourl, " +
-                        "userid, username, lastname, givenname, mail " +
-                        "from lpit_project " +
-                        "left join lpit_user owner on lpit_project.owner = owner.userid " +
-                        "order by name");
+        final var query = "select projectid, name, node, description, repourl, " +
+                "userid, username, lastname, givenname, mail " +
+                "from lpit_project " +
+                "left join lpit_user owner on lpit_project.owner = owner.userid ";
 
-        find = connection.prepareStatement(
-                "select projectid, name, description, repourl, " +
-                        "userid, username, lastname, givenname, mail " +
-                        "from lpit_project " +
-                        "left join lpit_user owner on lpit_project.owner = owner.userid " +
-                        "where projectid = ?");
+        list = connection.prepareStatement(query + " order by name");
+
+        find = connection.prepareStatement(query + " where projectid = ?");
+        findByNode = connection.prepareStatement(query + " where node = ?");
 
         issue_summary = connection.prepareStatement(
                 "select phase, count(*) as total "+
@@ -73,16 +68,17 @@
         );
 
         insert = connection.prepareStatement(
-                "insert into lpit_project (name, description, repourl, owner) values (?, ?, ?, ?)"
+                "insert into lpit_project (name, node, description, repourl, owner) values (?, ?, ?, ?, ?)"
         );
         update = connection.prepareStatement(
-                "update lpit_project set name = ?, description = ?, repourl = ?, owner = ? where projectid = ?"
+                "update lpit_project set name = ?, node = ?, description = ?, repourl = ?, owner = ? where projectid = ?"
         );
     }
 
-    public Project mapColumns(ResultSet result) throws SQLException {
+    private static Project mapColumns(ResultSet result) throws SQLException {
         final var proj = new Project(result.getInt("projectid"));
         proj.setName(result.getString("name"));
+        proj.setNode(result.getString("node"));
         proj.setDescription(result.getString("description"));
         proj.setRepoUrl(result.getString("repourl"));
         proj.setOwner(PGUserDao.mapColumns(result));
@@ -112,50 +108,44 @@
         return summary;
     }
 
+    private static int setColumns(PreparedStatement stmt, Project instance) throws SQLException {
+        int column = 0;
+        stmt.setString(++column, instance.getName());
+        stmt.setString(++column, instance.getNode());
+        setStringOrNull(stmt, ++column, instance.getDescription());
+        setStringOrNull(stmt, ++column, instance.getRepoUrl());
+        setForeignKeyOrNull(stmt, ++column, instance.getOwner(), User::getId);
+        return column;
+    }
+
     @Override
     public void save(Project instance) throws SQLException {
-        Objects.requireNonNull(instance.getName());
-        insert.setString(1, instance.getName());
-        setStringOrNull(insert, 2, instance.getDescription());
-        setStringOrNull(insert, 3, instance.getRepoUrl());
-        setForeignKeyOrNull(insert, 4, instance.getOwner(), User::getId);
+        setColumns(insert, instance);
         insert.executeUpdate();
     }
 
     @Override
     public boolean update(Project instance) throws SQLException {
         if (instance.getId() < 0) return false;
-        Objects.requireNonNull(instance.getName());
-        update.setString(1, instance.getName());
-        setStringOrNull(update, 2, instance.getDescription());
-        setStringOrNull(update, 3, instance.getRepoUrl());
-        setForeignKeyOrNull(update, 4, instance.getOwner(), User::getId);
-        update.setInt(5, instance.getId());
+        int column = setColumns(update, instance);
+        update.setInt(++column, instance.getId());
         return update.executeUpdate() > 0;
     }
 
     @Override
     public List<Project> list() throws SQLException {
-        List<Project> projects = new ArrayList<>();
-        try (var result = list.executeQuery()) {
-            while (result.next()) {
-                final var project = mapColumns(result);
-                projects.add(project);
-            }
-        }
-        return projects;
+        return Functions.list(list, PGProjectDao::mapColumns);
     }
 
     @Override
     public Project find(int id) throws SQLException {
         find.setInt(1, id);
-        try (var result = find.executeQuery()) {
-            if (result.next()) {
-                final var project = mapColumns(result);
-                return project;
-            } else {
-                return null;
-            }
-        }
+        return Functions.find(find, PGProjectDao::mapColumns);
+    }
+
+    @Override
+    public Project findByNode(String node) throws SQLException {
+        findByNode.setString(1, node);
+        return Functions.find(findByNode, PGProjectDao::mapColumns);
     }
 }