diff --git a/CommonCore/SQL/src/de/steamwar/sql/NodeData.kt b/CommonCore/SQL/src/de/steamwar/sql/NodeData.kt
index 63d8ccaf..fd9a2446 100644
--- a/CommonCore/SQL/src/de/steamwar/sql/NodeData.kt
+++ b/CommonCore/SQL/src/de/steamwar/sql/NodeData.kt
@@ -17,121 +17,83 @@
  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.sql;
+package de.steamwar.sql
 
-import de.steamwar.sql.internal.*;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
+import de.steamwar.sql.internal.useDb
+import org.jetbrains.exposed.v1.core.SortOrder
+import org.jetbrains.exposed.v1.core.dao.id.CompositeID
+import org.jetbrains.exposed.v1.core.dao.id.CompositeIdTable
+import org.jetbrains.exposed.v1.core.dao.id.EntityID
+import org.jetbrains.exposed.v1.core.eq
+import org.jetbrains.exposed.v1.core.statements.api.ExposedBlob
+import org.jetbrains.exposed.v1.dao.CompositeEntity
+import org.jetbrains.exposed.v1.dao.CompositeEntityClass
+import org.jetbrains.exposed.v1.javatime.timestamp
+import org.jetbrains.exposed.v1.jdbc.insertIgnore
+import java.io.InputStream
+import java.util.zip.GZIPInputStream
 
-import javax.swing.plaf.nimbus.State;
-import java.io.*;
-import java.sql.PreparedStatement;
-import java.sql.Timestamp;
-import java.time.Instant;
-import java.util.List;
-import java.util.Optional;
-import java.util.zip.GZIPInputStream;
+object NodeDataTable: CompositeIdTable("NodeData") {
+    val nodeId = reference("NodeId", SchematicNodeTable)
+    val createdAt = timestamp("CreatedAt").entityId()
+    val nodeFormat = enumeration("NodeFormat", NodeData.SchematicFormat::class)
+    val schemData = blob("SchemData")
 
-@AllArgsConstructor
-@Getter
-public class NodeData {
-    static {
-        new SqlTypeMapper<>(PipedInputStream.class, "BLOB", (rs, identifier) -> { throw new SecurityException("PipedInputStream is write only datatype"); }, PreparedStatement::setBinaryStream);
-        new SqlTypeMapper<>(ByteArrayInputStream.class, "BLOB", (rs, identifier) -> { throw new SecurityException("ByteArrayInputStream is write only datatype"); }, PreparedStatement::setBinaryStream);
-        new SqlTypeMapper<>(BufferedInputStream.class, "BLOB", (rs, identifier) -> { throw new SecurityException("BufferedInputStream is write only datatype"); }, PreparedStatement::setBinaryStream);
+    override val primaryKey = PrimaryKey(nodeId, createdAt)
 
-        SqlTypeMapper.ordinalEnumMapper(SchematicFormat.class);
+    init {
+        addIdColumn(nodeId)
     }
+}
 
-    private static final Table<NodeData> table = new Table<>(NodeData.class);
+class NodeData(id: EntityID<CompositeID>): CompositeEntity(id) {
+    val nodeId by NodeDataTable.nodeId
+    val createdAt by NodeDataTable.createdAt
+    val nodeFormat by NodeDataTable.nodeFormat
+    val schemData by NodeDataTable.schemData
 
-    private static final Statement updateDatabase = new Statement("INSERT INTO NodeData(NodeId, NodeFormat, SchemData) VALUES (?, ?, ?)", true);
-    private static final Statement selSchemData = new Statement("SELECT SchemData FROM NodeData WHERE NodeId = ? AND CreatedAt = ?");
-    private static final Statement delete = table.delete(Table.PRIMARY);
+    companion object: CompositeEntityClass<NodeData>(NodeDataTable) {
+        @JvmStatic
+        fun getLatest(node: SchematicNode) = useDb {
+            find { (NodeDataTable.nodeId eq node.nodeId) }.orderBy(NodeDataTable.createdAt to SortOrder.DESC).firstOrNull()
+        }
 
-    private static final SelectStatement<NodeData> get = new SelectStatement<>(table, "SELECT NodeId, CreatedAt, NodeFormat FROM NodeData WHERE NodeId = ? ORDER BY CreatedAt ");
-    private static final Statement getRevisions = new Statement("SELECT COUNT(DISTINCT CreatedAt) as CNT FROM NodeData WHERE NodeId = ?");
-    private static final SelectStatement<NodeData> getLatest = new SelectStatement<>(table, "SELECT NodeId, CreatedAt, NodeFormat FROM NodeData WHERE NodeId = ? ORDER BY CreatedAt DESC LIMIT 1");
+        @JvmStatic
+        fun get(node: SchematicNode) = useDb {
+            find { (NodeDataTable.nodeId eq node.nodeId) }.orderBy(NodeDataTable.createdAt to SortOrder.ASC).toList()
+        }
 
-    public static NodeData getLatest(SchematicNode node) {
-        if (node.isDir()) throw new IllegalArgumentException("Node is dir");
-        return Optional.ofNullable(getLatest.select(node)).orElseGet(() -> new NodeData(node.getId(), Timestamp.from(Instant.now()), SchematicFormat.MCEDIT));
-    }
+        @JvmStatic
+        fun get(node: SchematicNode, revision: Int) = useDb {
+            find { NodeDataTable.nodeId eq node.nodeId }.orderBy(NodeDataTable.createdAt to SortOrder.ASC).toList().get(revision - 1)
+        }
 
-    public static List<NodeData> get(SchematicNode node) {
-        return get.listSelect(node);
-    }
+        @JvmStatic
+        fun getRevisions(node: SchematicNode) = useDb {
+            count(NodeDataTable.nodeId eq node.nodeId).toInt()
+        }
 
-    public static NodeData get(SchematicNode node, int revision) {
-        return get.listSelect(node).get(revision - 1);
-    }
-
-    public static int getRevisions(SchematicNode node) {
-        return getRevisions.select(rs -> {
-            if (rs.next()) {
-                return rs.getInt("CNT");
-            } else {
-                return 0;
+        @JvmStatic
+        fun saveFromStream(node: SchematicNode, blob: InputStream, format: SchematicFormat) {
+            NodeDataTable.insertIgnore {
+                it[NodeDataTable.nodeId] = EntityID(node.getId(), SchematicNodeTable)
+                it[NodeDataTable.nodeFormat] = format
+                it[NodeDataTable.schemData] = ExposedBlob(blob)
             }
-        }, node);
-    }
-
-    public static void saveFromStream(SchematicNode node, InputStream blob, SchematicFormat format) {
-        updateDatabase.update(node.getId(), format, blob);
-    }
-
-    @Field(keys = {Table.PRIMARY})
-    private final int nodeId;
-
-    @Field(keys = {Table.PRIMARY})
-    private Timestamp createdAt;
-
-    @Field
-    public SchematicFormat nodeFormat;
-
-    public InputStream schemData() throws IOException {
-        return schemData(true);
-    }
-
-    public InputStream schemData(boolean decompress) throws IOException {
-        try {
-            return selSchemData.select(rs -> {
-                rs.next();
-                InputStream schemData = rs.getBinaryStream("SchemData");
-                try {
-                    if(rs.wasNull() || schemData.available() == 0) {
-                        throw new SecurityException("SchemData is null");
-                    }
-                    if (decompress) {
-                        return new GZIPInputStream(schemData);
-                    } else {
-                        return schemData;
-                    }
-                } catch (IOException e) {
-                    throw new SecurityException("SchemData is wrong", e);
-                }
-            }, nodeId, createdAt);
-        } catch (Exception e) {
-            throw new IOException(e);
         }
     }
 
-    @Deprecated
-    public void saveFromStream(InputStream blob, SchematicFormat newFormat) {
-        saveFromStream(SchematicNode.getSchematicNode(nodeId), blob, newFormat);
+    fun schemData(decompress: Boolean) = useDb {
+        schemData.inputStream.let { if(decompress) GZIPInputStream(it) else it }
     }
 
-    public void delete() {
-        delete.update(nodeId, createdAt);
-    }
+    fun schemData() = schemData(true)
 
-    @AllArgsConstructor
-    @Getter
-    public enum SchematicFormat {
+    override fun delete() = useDb { super.delete() }
+
+    enum class SchematicFormat(val fileEnding: String) {
         MCEDIT(".schematic"),
         SPONGE_V2(".schem"),
         SPONGE_V3(".schem");
-
-        public final String fileEnding;
     }
-}
+}
\ No newline at end of file
diff --git a/CommonCore/SQL/src/de/steamwar/sql/SchematicNode.kt b/CommonCore/SQL/src/de/steamwar/sql/SchematicNode.kt
index d1495b46..5117eb13 100644
--- a/CommonCore/SQL/src/de/steamwar/sql/SchematicNode.kt
+++ b/CommonCore/SQL/src/de/steamwar/sql/SchematicNode.kt
@@ -335,7 +335,7 @@ class SchematicNode(id: EntityID<Int>) : IntEntity(id) {
     val members: Set<NodeMember> by lazy { NodeMember.getNodeMembers(nodeId) }
     private lateinit var breadcrumbs: String
 
-    fun getFileEnding(): String = checkDir { NodeData.getLatest(this).nodeFormat.fileEnding }
+    fun getFileEnding(): String = checkDir { NodeData.getLatest(this)!!.nodeFormat.fileEnding }
     fun getId() = nodeId
     fun isDir() = nodeType == null
 
diff --git a/CommonCore/SQL/src/de/steamwar/sql/UserConfig.kt b/CommonCore/SQL/src/de/steamwar/sql/UserConfig.kt
index 11bc2e4d..14dcd201 100644
--- a/CommonCore/SQL/src/de/steamwar/sql/UserConfig.kt
+++ b/CommonCore/SQL/src/de/steamwar/sql/UserConfig.kt
@@ -32,10 +32,14 @@ import java.util.UUID
 
 object UserConfigTable: CompositeIdTable("UserConfig") {
     val userId = reference("User", SteamwarUserTable)
-    val config = varchar("Config", 32)
+    val config = varchar("Config", 32).entityId()
     val value = text("Value", eagerLoading = true)
 
     override val primaryKey = PrimaryKey(userId, config)
+
+    init {
+        addIdColumn(userId)
+    }
 }
 
 class UserConfig(id: EntityID<CompositeID>): CompositeEntity(id) {
diff --git a/CommonCore/SQL/src/de/steamwar/sql/internal/KotlinDatabase.kt b/CommonCore/SQL/src/de/steamwar/sql/internal/KotlinDatabase.kt
index 4da6e413..735d4e22 100644
--- a/CommonCore/SQL/src/de/steamwar/sql/internal/KotlinDatabase.kt
+++ b/CommonCore/SQL/src/de/steamwar/sql/internal/KotlinDatabase.kt
@@ -23,6 +23,7 @@ import org.intellij.lang.annotations.Language
 import org.jetbrains.exposed.v1.core.ColumnType
 import org.jetbrains.exposed.v1.core.Expression
 import org.jetbrains.exposed.v1.core.ResultRow
+import org.jetbrains.exposed.v1.core.StdOutSqlLogger
 import org.jetbrains.exposed.v1.core.statements.StatementType
 import org.jetbrains.exposed.v1.core.statements.api.RowApi
 import org.jetbrains.exposed.v1.dao.IntEntity
@@ -64,7 +65,10 @@ object KotlinDatabase {
 
 fun <T: Any?> useDb(statement: JdbcTransaction.() -> T): T {
     KotlinDatabase.ensureConnected()
-    return TransactionManager.currentOrNull()?.statement() ?: transaction(KotlinDatabase.db, statement)
+    return TransactionManager.currentOrNull()?.statement() ?: transaction(KotlinDatabase.db) {
+        addLogger(StdOutSqlLogger)
+        statement()
+    }
 }
 
 fun <T : IntEntity> IntEntityClass<T>.fromSql(
diff --git a/WebsiteBackend/src/de/steamwar/routes/Schematic.kt b/WebsiteBackend/src/de/steamwar/routes/Schematic.kt
index d429af5c..d1ada3fa 100644
--- a/WebsiteBackend/src/de/steamwar/routes/Schematic.kt
+++ b/WebsiteBackend/src/de/steamwar/routes/Schematic.kt
@@ -36,6 +36,7 @@ import kotlinx.serialization.Serializable
 import java.io.BufferedInputStream
 import java.io.ByteArrayInputStream
 import java.io.DataInputStream
+import java.io.InputStream
 import java.security.MessageDigest
 import java.time.Duration
 import java.time.Instant